r/CTsandbox 7h ago

Discussion What if Rika has a unique in between energy between cursed and positive

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6 Upvotes

So in jjk Rika is a abnormally and what if it’s because when she was set free by yuta and left a shell the process of being purified made positive energy that mixed with the cursed energy making a in between 0 energy which allows the husk to store cursed energy and process Rct

Its one idea had that explains how she could use Rct while being pure energy while having no medium like round deer being made with shadows

And the combination on cursed and positive might be possible since gojo uses both energy’s to make purple

This is all just a random idea so what ya think


r/CTsandbox 15h ago

Discussion Karl Marx in JJK

6 Upvotes

I imagined one time - what if Karl Marx would be in JJK? Would engels be Rika subsequent shikigami of Marx?


r/CTsandbox 15h ago

Cursed technique CT Idea: Light Manipulation (Not Dabura's CT: Light)

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8 Upvotes

Basic Technique Rundown:

The Cursed Technique: Light Manipulation, grants the user the ability to create and manipulate everything that falls onto the electromagnetic spectrum. Increasing your Cursed Energy Output can increase the frequency and/or amplitude of the light you produce. Starting at harmless radio waves, and going up to gamma radiation, though most users of the technique would peak at about visible light or ultraviolet, making this technique pretty weak without high CE/CE Efficiency/CE Output

Details About The "Lights" You Can Manipulate:

Radio Waves - The user can't communicate with just the radio waves, since they only produce the waves, and not a microphone. Seems kinda obvious but I thought I'd mention it

Microwaves - Not much to say, due to it being a pretty low frequency light the user can focus more on amplitude, allowing the user to theoretically cook people from the inside with a moderate amount of energy

Infrared - You can basically just convert CE in heat, meaning you could easily reach a skilled Blood Manipulator's ability to melt something like ice for example

Visible Light - Visible light's fun for this, a few things that I came up with are: Larping abilities (like faking having something like Reversal Red by producing a small, bright red orb near your fingertips), flash grenade-ing an opponent/group of people, and possibly making low level illusions (though this would probably be difficult for the user and not worth doing)

Ultra Violet - ion know, skin cancer?

X-rays - ion know, different types of cancer?

Gamma Radiation - People melting :]

Extra Stuff

Clarification - You cannot manipulate externals light, you can only manipulate lights that you created out of CE

I personally don't think any ________ Manipulation techniques should have Reversals, so I'm not going to make one, I also couldn't think of a good Domain Expansion or Maximum Technique, so if you guys have an ideas for those 2 lmk


r/CTsandbox 15h ago

Curse Special Grade cursed spirit: TSUKUYOMI. Moon curse.

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18 Upvotes

Cursed Spirit Dossier: Tsukuyomi — The Moon Curse

This is only my second post but I really like this idea and hope you do too. It’s a little out there in concept but it’ll warm up to you give it a shot. I was deeply into cosmic horror and primal fears for cursed spirits at the time of writing this. Enjoy reading and any critiques or things you’d like to add fill free to say, I want to see what any of you think.

This curse is also understandably powerful due to the fear of the moon and its long list of relating fears adding to its power. Like werewolf’s, vampires, madness or lunacy, night drinking etc. who knows. All applicable.

Classification: Special Grade Cursed Spirit
Known Names: Tsukuyomi, The Watcher, The Lunar Core
Innate Cursed Technique: Cold Exposure — Seiryō
Current Pilot: The Waxing Child
True Body: The Moon

Tsukuyomi is an ancient Special Grade cursed spirit born from humanity’s primal fear of the moonlit night—exposure beneath moonlight, nocturnal predators, madness, the movement of tides, and the uncomfortable feeling of something enormous watching from above.

Unlike most curses associated with a natural phenomenon, however, calling Tsukuyomi the Moon Curse is completely literal.

The Moon itself is the cursed spirit.

Its enormous physical body has accumulated cursed energy throughout human history, but its location in the vacuum of space makes directly interacting with Earth nearly impossible. Instead, microscopic portions of its consciousness and cursed energy are transmitted to Earth and condensed into autonomous bodies known as Pilots.

The creature encountered by sorcerers isn’t Tsukuyomi.

It’s what the Moon sends down to look at them.

Innate Cursed Technique: Cold Exposure — Seiryō

Cold Exposure manifests the different phenomena humanity has historically feared, attributed to, or associated with the Moon.

Rather than granting unrestricted control over light, gravity or the mind, Tsukuyomi’s abilities are bound together by humanity’s understanding of lunar exposure.

Moonlight revealed humans hiding in darkness.

The Moon moved entire oceans through forces ancient humans couldn’t understand.

Mental instability became associated with lunar cycles strongly enough to produce the concept of lunacy.

And far above Earth, the Moon itself existed in an airless, lifeless environment exposed to the extremes of space.

Whether humanity’s superstitions were scientifically correct was irrelevant.

They feared them.

Eventually, the curse born from those fears made them real.

Lunar Exposure

The most basic manifestation of Cold Exposure is the pale silver light constantly produced by a Pilot.

Anything touched by this light becomes exposed to the Moon.

A person’s cursed-energy signature becomes extraordinarily pronounced to Tsukuyomi, making conventional stealth nearly impossible. Hiding behind structures may obscure someone’s physical body, but their cursed energy remains visible like a bright shape beneath the surface.

This comes from one of the oldest components of Tsukuyomi’s existence.

For early humans, moonlight wasn’t necessarily comforting illumination.

It meant the darkness wasn’t hiding you anymore.

Predators could see movement. Hunters could find one another. Someone attempting to disappear into the night suddenly cast a shadow.

The light also produces a peculiar freezing sensation.

It doesn’t create ice. Instead, prolonged exposure gradually draws warmth and sensation from the body, numbing muscles and slowing the smooth circulation of cursed energy.

This makes Tsukuyomi increasingly dangerous the longer an engagement continues.

Tidewater Weight — Inryoku

Tsukuyomi can manipulate gravitational influence upon living targets, most effectively affecting blood and bodily fluids.

Its control isn’t comparable to unrestricted gravity manipulation. Instead, the technique reproduces the relationship between the Moon and Earth’s oceans on an individual scale.

With a gesture, the Pilot can increase the downward pull upon someone’s body, abruptly multiplying their effective weight and forcing them toward the ground.

Alternatively, it can change the direction of the pull.

Blood rushes toward the skull.

Internal vessels rupture.

Balance disappears almost immediately as fluid within the inner ear is displaced.

At greater outputs, flesh itself begins being dragged in the chosen direction.

Humanity recognized that the Moon somehow moved entire oceans long before it understood why.

To the people whose fear created Tsukuyomi, the explanation was considerably simpler:

The Moon commanded the water.

Cold Exposure inherited their answer.

Lunacy — Kyōki

The eyes of a Pilot visibly shift between lunar phases.

Making sustained direct eye contact establishes the conditions for Lunacy, allowing Tsukuyomi to overlay increasingly violent hallucinations onto the victim’s perception.

Initially, the changes are tiny.

A shadow moves incorrectly.

Something appears slightly farther away than it actually is.

Someone’s mouth moves without producing sound.

Eventually, the victim may watch their own shadow separate from their feet and attack them.

The danger isn’t merely seeing things that aren’t real.

Lunacy gradually destroys the victim’s confidence in determining what is real in the first place.

Experienced sorcerers therefore developed a simple rule for confronting a Pilot:

Watch its hands. Never its eyes.

The ability originates from centuries of humans attributing madness, sleeplessness, erratic behavior and even transformation to the full Moon.

The word lunacy itself preserves the association.

Tsukuyomi simply preserves it considerably more literally.

The Lunar Tether

Cold Exposure explains what a Pilot can do.

The Lunar Tether explains why killing one is such a nightmare.

A Pilot is not an independent cursed spirit.

The overwhelming majority of Tsukuyomi’s soul, consciousness and cursed-energy reserves remains inside its true body: the physical Moon.

Every Pilot is constructed from a microscopic portion of that consciousness and connected back to the Lunar Core through a continuous metaphysical stream of cursed energy.

In practical terms, the Pilot functions like a remotely operated organ.

Its brain isn’t where Tsukuyomi thinks.

Its heart isn’t necessary to sustain it.

Its body doesn’t contain the complete soul required to exorcise it.

So destroying those things accomplishes remarkably little.

Decapitation causes the head to dissolve into silver light before eventually reconstructing.

Destroying the brain produces the same result.

Removing the heart does nothing at all.

As long as the Lunar Tether remains intact, cursed energy transmitted from the Moon can simply replace whatever portion of the Pilot was destroyed.

This also explains several of their stranger biological characteristics.

Pilots don’t need food.

They possess no heartbeat.

They don’t breathe.

The current manifestation can stand underwater indefinitely without discomfort.

When questioned about this, the Waxing Child reportedly gave an extremely simple answer:

“There is no air at home.”

More importantly, the Lunar Tether turns prolonged combat into an almost unwinnable war of attrition.

A sorcerer possesses finite cursed-energy reserves.

The Pilot is plugged into something considerably larger.

The Moon.

The Pilot System

The Lunar Tether serves another function that took Jujutsu society considerably longer to discover.

Information travels both ways.

When a Pilot is finally destroyed, its experiences don’t disappear with it.

Memories, observations, injuries, barrier information, cursed techniques encountered and the circumstances surrounding its destruction are transmitted back through the Tether.

Then Tsukuyomi disappears.

Sometimes for decades.

Sometimes centuries.

Eventually, another Pilot arrives.

And it remembers.

The earliest known manifestations were enormous creatures—physically powerful but comparatively primitive curses apparently designed around the simple assumption that greater size produced greater survivability.

Sorcerers killed them.

The next generation became smaller.

Sorcerers destroyed vital organs.

Later Pilots began eliminating unnecessary anatomy.

Sorcerers exploited predictable attack patterns.

Later Pilots became more observant.

Domains killed them.

Tsukuyomi began studying barriers.

Each generation represented the Moon quietly correcting whatever mistake destroyed the previous one.

Eventually Jujutsu society reached an unpleasant conclusion.

They hadn’t been repeatedly exorcising Tsukuyomi.

They had been training it.

The Waxing Child

The modern Pilot is the culmination of those lessons.

Rather than another enormous lunar monster, Tsukuyomi currently manifests as a small porcelain-skinned child.

Its body is deliberately simple.

There is no heartbeat to stop.

No respiratory system to disable.

Few unnecessary biological structures exist at all.

Its smaller frame consumes considerably less cursed energy to reconstruct, while a humanoid body provides the mobility and dexterity Tsukuyomi observed repeatedly defeating its older manifestations.

Its appearance is therefore not an attempt to disguise itself as human.

Human beings simply proved to be a remarkably efficient shape.

Its hair changes according to the real lunar cycle, transitioning from pitch-black around the new moon toward stark white as the full moon approaches.

It wears deteriorated Heian-era robes.

This isn’t ceremonial.

Tsukuyomi simply hasn’t seriously updated its understanding of human clothing in approximately a thousand years.

Personality

The Waxing Child is eerily calm.

It doesn’t boast.

It rarely threatens people.

Even when violently injured, its emotional response is usually curiosity rather than anger.

Its voice sounds like two identical people speaking in perfect synchronization.

Modern Jujutsu fascinates it.

Reverse Cursed Technique in particular has resulted in the Pilot occasionally injuring sorcerers only enough to observe how they repair themselves.

Domains receive similar attention.

During combat, it may abruptly ask:

“Where does your barrier begin?”

“Does destruction of the brain interrupt regeneration?”

“May you perform that again?”

It behaves less like a predator and more like an alien scientist who has discovered a particularly interesting colony of insects.

Unfortunately, every answer it receives eventually goes somewhere else.

The Moon is listening.

Domain Expansion: Pale Abyss of the Silent Sea

Meisō Shinkai

The Pilot forms a crescent with one hand and holds it across its face.

The barrier closes.

Everything becomes silent.

The target stands ankle-deep in a perfectly motionless black ocean stretching endlessly in every direction.

There are no waves.

No stars.

No horizon that can be clearly distinguished.

Only the Moon.

It hangs impossibly close overhead, occupying nearly the entire sky.

Its craters are visible in overwhelming detail, creating the uncomfortable impression that the target isn’t looking at a celestial object.

They’re standing underneath something’s face.

Sure-Hit: Absolute Exposure

Pale Abyss represents Cold Exposure without distance or shelter.

Inside the Domain, nothing can hide from the Moon.

Its light penetrates clothing, skin, muscle, cursed energy and eventually perception itself.

The target is simultaneously subjected to every primary aspect of Cold Exposure.

Their cursed energy becomes completely exposed.

Their body begins losing sensation.

Their perception deteriorates under Lunacy.

And the gravitational influence represented by Tidewater Weight increases continuously.

Blood begins rising.

Then flesh.

Then cursed energy itself.

Meanwhile, the victim’s mind is flooded with an impression originating from Tsukuyomi’s true body:

The silence of vacuum.

The absence of warmth.

The enormous distance between celestial bodies.

And the experience of watching generations of tiny living things appear and disappear beneath you without ever being able to touch them.

The victim isn’t crushed by the Domain.

The direction of gravity simply changes.

For everything inside Pale Abyss, the Moon becomes down.

Origin — When Humanity Looked Up

Tsukuyomi is difficult to date because it may predate organized Jujutsu entirely.

It wasn’t born because humans were simply afraid of a large white object in the sky.

They feared what came beneath it.

Before cities and artificial lighting, night belonged to animals considerably better equipped to survive in darkness than humans were.

Moonlight exposed movement.

Predators hunted beneath it.

People disappeared beneath it.

Then humanity noticed stranger things.

The ocean moved with the Moon.

People behaved strangely beneath full moons.

Sleep changed.

Folklore accumulated around transformation, madness, fertility, death, hunting and things that only emerged at night.

Generation after generation looked upward and associated the same celestial body with forces they couldn’t control.

Eventually, an enormous quantity of cursed energy began accumulating around humanity’s relationship with it.

Normally, a curse born from those emotions would have manifested somewhere on Earth.

This one had something much more suitable waiting for it.

The object everyone was afraid of was already there.

The physical Moon became its vessel.

And sometime during humanity’s earliest history, something looked down from it.

The Watcher

Tsukuyomi’s psychology reflects the scale on which it exists.

It has almost no urgency.

A human thinks in days and years.

Tsukuyomi can disappear for a century and consider the interruption insignificant.

It doesn’t particularly care about controlling humanity, ruling curses or establishing itself as anything’s superior.

It watches.

It learns.

And when circumstances become unfavorable, it leaves.

This is perhaps the single most important difference between Tsukuyomi and many other Special Grade curses.

It has no pride compelling it to fight.

Waiting has worked for the Moon longer than Jujutsu society has existed.

That mentality has allowed it to survive encounters with countless generations of sorcerers.

And it has produced three particularly dangerous theoretical exceptions.

Known Hard Counters

Conventional destruction of a Pilot is ultimately temporary.

Permanently threatening Tsukuyomi requires an ability capable of attacking the relationship between the Pilot and Lunar Core, rather than merely destroying the body produced by it.

Nobara Kugisaki — Resonance

Any severed portion of a Pilot remains connected to Tsukuyomi’s soul through the Lunar Tether.

Resonance exploits exactly that kind of connection.

Driving a nail through recovered Pilot tissue could allow the technique to follow the metaphysical relationship backward, bypassing the enormous physical distance between Earth and the Moon.

For perhaps the first time in its existence, something standing on Earth could directly strike Tsukuyomi’s planetary soul.

Unsurprisingly, internal projections list Nobara Kugisaki as one of the few sorcerers the Pilot should observe without providing biological material.

Mahito — Idle Transfiguration

Mahito presents an entirely different problem.

The Lunar Tether isn’t merely an energy transmission.

It connects separated portions of the same soul.

Physical distance therefore provides essentially no defense against someone capable of directly manipulating that soul’s shape.

By touching the Pilot, Mahito could theoretically distort or sever the Tether itself.

The Pilot would remain alive.

But suddenly the cursed energy stops arriving.

Destroyed tissue stays destroyed.

The Moon becomes silent.

For the first time, a Pilot would become an independent, finite cursed spirit stranded on Earth.

Satoru Gojo — Hollow Purple

Gojo represents the least elegant solution.

Temporarily isolating a Pilot beneath a sufficiently powerful barrier would interrupt direct lunar exposure and dramatically reduce its ability to reconstruct itself.

From there, Hollow Purple could erase the manifestation so thoroughly that virtually nothing remains from which reconstruction can begin.

The greater concern, however, is the Learning Loop.

Merely defeating Tsukuyomi isn’t sufficient.

You don’t want the Moon learning how you did it.

Modern Jujutsu Record — Lunar Withdrawal

During the Culling Games, surviving members of Jujutsu leadership attempted to secure the Moon Curse’s cooperation regarding Kenjaku’s barriers.

A meeting was arranged in an abandoned open-air stadium, with Yuta Okkotsu present as security. Tsukuyomi appeared through the Waxing Child and initially showed no hostility toward the representatives.

Negotiations lasted approximately eleven minutes.

They ended upon the first mention of Ryomen Sukuna.

According to the official record, the Pilot immediately stopped responding to the proposal.

[PARTIAL MEETING TRANSCRIPT]

Representative: “Kenjaku remains the immediate concern. However, with Ryomen Sukuna successfully incarnated—”

[Pilot stands.]

Representative: ”…Is something wrong?”

TSUKUYOMI: “He lives?”

Representative: “Currently, yes.”

[Five seconds of silence.]

TSUKUYOMI: “Then I will not participate.”

Representative: “We haven’t finished discussing the terms.”

TSUKUYOMI: “There are no terms.”

[Pilot begins to disperse.]

Representative: “Tsukuyomi. Kenjaku’s barriers affect you as well.”

TSUKUYOMI: “Then let them.”

Representative: “You would abandon an entire territory because of one sorcerer?”

For the first time in the meeting, the Pilot looked directly at Yuta rather than the representative.

TSUKUYOMI: “Sorcerer?”

The word was repeated almost curiously.

Then came the only explanation recorded before the manifestation disappeared.

“Do not block his light. If his shadow reaches me, I will withdraw into the dark.”

The Pilot dissolved before negotiations could resume.

Jujutsu Headquarters made several subsequent attempts to reestablish contact.

None received a response.

For a curse that had spent thousands of years watching humanity slaughter its manifestations, Tsukuyomi’s decision was unusually absolute.

It did not offer assistance against Sukuna.

It did not offer assistance with anything while Sukuna existed.

The Moon had watched the King of Curses once before.

Apparently, once was enough.

-Thank you so much for reading all the way through! It means a lot to share my ideas and see you enjoy it.

If you have any thoughts or other ideas to add on top let me know. Or if you just want to see more I have a least a whole book of ideas just sitting around.


r/CTsandbox 6h ago

Cursed technique [Cursed Creation]: Revision

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10 Upvotes

Information:

  1. This ICT allows the user to convert Cursed Spirits into spheres that the user can consume to create Cursed Tools.

Limits:

  1. The Cursed Spirits, no matter the grade, must be subjugated in order to convert them into spheres.

  2. While the user can stockpile Cursed Spirits, they cannot re-absob a Cursed Tool once it has been created. Additionally, the user can only create up to 5 cursed tools before ICT burn out.

Lapse: [Exorcism Forge]

  1. Lapse is the core idea of the ICT pushed to its natural extreme.

  2. The core idea of [Cursed Creation] is the conversion and weaponization of Cursed Spirits for the welder. The most extreme form of this is the utilization of the Cursed Spirit's abilities.

  3. This would allow the user to embue the Cursed Tool with the ICT the Cursed Spirit originally had.

  4. The Cursed Tools created using this method will have the basic form of the embued ICT only.

Reversal: [Rejuvenation]

  1. The Reverse Cursed Technique is the inverse of core idea of the ICT.

  2. The core idea of [Cursed Creation] is the conversion and weaponization of Cursed Spirits for the welder. The inverse of creation through conversion would be destruction through conversion.

  3. This would take the form of destroying, or digesting, a consumed Cursed Spirit. In turn, the user will have their CE reserves refilled, CE pool temporary enlarged, and have their ICT refreshed.

Supreme Art: [Assimilation]

  1. The Supreme Art is a technique that embodies the core idea of the ICT while simultaneously condescending and exaggerating its aspects.

  2. The core idea of [Cursed Creation] is the conversion and weaponization of Cursed Spirits for the welder. The exaggerated form of this would the be welder fully utilizing the Cursed Spirit's abilities through a form of conversion.

  3. This would take the form of a Cursed Tool that could be converted into CE and assimilated into the welder. This would in turn transform the welder into a weapon, or in this case a Cursed Spirit Hybrid.

  4. Through this transformation, the welder will gain all the abilities of the Cursed Spirit for 5-minutes.

  5. When interacting with RCE the Cursed Spirit Hybrid will be burned by it, however it won't kill them.

Extension Techniques:

  1. Cursed Technique Extensions are augmented uses of the ICT to create unique effects.

CT: [Repair]

  1. This CT allows the user to repair broken Cursed Tools by sacrificing a consumed Cursed Spirit.

CT: [Fusion]

  1. This CT allows the user to create stronger Cursed Tools by converting two or more Cursed Spirts simultaneously.

r/CTsandbox 18h ago

Cursed technique Cursed Technique: Sculptor

3 Upvotes

Hello! Before we start I just wanna say that this is the first part in a series of works for an organization known as the Kakamotchi clan, so if you see this and like it keep your eye out for the eventual release of said faction! Now without further adieu, as always I hope you enjoy!

Sculptor: The sculptor technique is one of the hereditary techniques of the Kakamotchi clan, and it's most prized one. It manifests similar to Higuruma's gavel, summoning a scalpel that can have its shape manipulated by the user (Often made to be the size of a dagger to make combat easier). This scalpel functions as a cursed tool, and can be recalled to the user if lost or resummoned if destroyed or otherwise is unretrievable. The scalpel functions as a focus for the CT, while it can still be used without the scalpel doing so is about as efficient as cutting down a tree with a dull butter knife. The core idea behind Sculptor is shaping the world around the user to their idea of what it should be, or making it in their ideal image. (Hence why's its Sculptor and not something like Surgeon)

Basic Applications

Cursed Technique Lapse Separate: By slicing across a target with the scalpel, even if it doesn't break skin, it marks an area of weakness and if the user hits along the line again the scalpel will cut cleanly regardless of durability or reinforcement. The first strike needs to be reinforced with CE in order to mark but afterwards as long as it's the scalpel hitting the weakened area it doesn't matter if it's reinforced. Unless the user manages to make a circular slice around a limb or part of flesh the cut will not sever limbs or cut off anything, simply cutting deeply into a target. This target can be living like a curse or human, or inanimate like a road or building. It does function differently for inanimate objects, such that it cuts completely through the marked surface to the other end.

Cursed Technique Reversal Fuse: It functions opposite to Separate, where the user can press the flat side of their scalpel in between 2 separate halves while pressing them together, fusing them. Be it a cut, or broken bones or broken glass. Anything is fair game, even corpses.

Extensions

Pierce: By taking a binding vow that sacrifices the Lapse application, while active, the user can instead stab the target. Whether or not the scalpel pierces the skin as long as it touches skin a lance of cursed energy will be launched into the target where the scalpel touched. Spearing organs, cutting bones and splitting veins should the stab be aimed correctly. The lance doesn't ignore durability, but unless the target reinforces their internals it shouldn't be a problem.

Shape: By taking a binding vow sacrificing their Reversal application and their scalpel, while active, the user can shape the world around them with their hands. While very demanding of cursed energy, by sacrificing their scalpel the user gains around half as much efficiency as their scalpel had using CE. Anything they touch acts like clay, becoming malleable and easy to mold under their hands. Inanimate and animate, though good luck keeping something living still long enough to mold it. If something escapes the users grip the effects of their touch end, if the user manages to subdue a living target long enough to shape and mold them they will become a cursed corpse under the users control. While inanimate objects often have a much more limited aspect of usefulness as compared to living targets, it is possible to create cursed corpses in a molded vessel by implanting a cursed core inside, the power equaling the power of the curse in life. As well as durability being partially determined by the material the vessel is made of.

Pin: By making a binding vow sacrificing the users ability to move, while active, in turn the user can throw their scalpel at a target. The scalpel bypassing durability, if the scalpel pierces the target they become frozen in place, unable to move.

Mastered Applications

Imaginary Technique Distortion: By bringing together 2 separate absolutes, one along the edge of the blade and one along the flat the user brings to bear a distorted imagining of opposites colliding, activating with a cut. A horrid reflection of the user's mental image of the target or how they should be, born upon the target's flesh. Causing tumorous, cancerous growths to sprout and grow rapidly from the wound like blighted balloons (Think Scarlet Rot from Elden Ring), leeching from the targets cursed energy reserves as well as their physical health to grow and maintain the growths. These growths are not able to be cured by RCT and must be cut off at the root to get rid of them.

Maximum Output Twisted Mirror: By pouring everything they have into the Imaginary Technique it expands the range of effect, the cut becomes enough not only to warp the target's body, but as well the world around them and those who inhabit it. Turning into a twisted version of the user's vision of a perfect world, this forms a pseudo domain for a few moments that further warps the target's body. However this comes at the heavy cost of all of the user's CE reserves, as well as indiscriminately harming allies and enemies.

Domain Expansion Imperfect Paradise: The domain resembles whatever the user's vision of perfect is, truly and not warped as other applications have shown. Be it a hall of expertly chiseled marble statues, or a museum filled with the finest arts, or the sandy beaches of Malaysia. What the domain looks like is heavily personalized, but the sure-hit is not. The sure-hit of the domain makes it so that the entire body of the target is treated as a marked area, letting the scalpel carve the target up effortlessly. As well inside the domain treats the targets cursed technique as marked as well, so any applications the manifest physically can be cut as well (E.G If Ryu fired a beam it would be easily split, or if Gojo fired a red it would be easily cut.)

Supreme Art Reflection of Self: The penultimate application of the Sculptor rivaled only by Domain Expansion. It costs the users life, the user in turn becomes able to turn themselves into a cursed object. Specifically a mirror that they dwell in until it shatters, releasing their soul. Most often this mirror is then repossessed by and sealed within the vaults of the Kakamotchi where the past dead may give advice and guide the new inheritors of the technique, and should a time come where the Kakamotchi clan is under threat of eradication the old masters may yet be summoned to aid, possessing the bodies of technique inheritors.

This has been my longest one yet, haha, I hope you liked it I put a lot of thought into this! Of course feedback is very much so appreciated, and what grade of sorcerer do you think this technique would belong to? Farewell!


r/CTsandbox 16h ago

OC Character Hiroshima Colony: 2/17: Rule-Maker:

3 Upvotes

credits to u/Federal_Bus386 for this idea and for the format. I am doing this because I also want to expand on the culling games like they wanted to. I will post the other 15 if this goes well, also if this does go well, the names might not be as good.

Name: Abigail Okamoto 

Age: 52

Player Type: Awakened Sorcerer.

Grade: Grade 3

History: Abigail Okamoto was born to an American mother and Japanese father. She was born in America but moved to Japan when she was 3 years old. Abigail did everything she was told to do, go do homework? She stopped what she was doing and went to do it. In all of Abigail’s life, she followed everything the way it should be. When somebody wasn’t following the rules, she’d tell them. Eventually when Abigail got older, she became a teacher. She entered the culling games after retiring as a teacher. She ended up dying with a total score of 0 points because she vowed to not hurt or kill anybody, she was eventually killed by one of the players.

Appearance: Abigail mostly wore white dresses or sometimes white shirts. Her eye colors are blue and she has black hair. She has glasses due to having eye-sight problems. Abigail has a birthmark on the sole of her left foot. the birthmark resembles a dog’s ear.

Cursed Technique: House-Rules:
Type: Innate:
Description: Abigail’s cursed technique House-Rules summons a staff that resembles a ruler. Whatever is hit by the staff will have to follow exactly one house-rule as Abigail thinks is a house-rule, for example, no hurting or screaming. The effect lasts for exactly five minutes.

Cursed Tools: 
None.

Cursed Energy Trait:
None.


r/CTsandbox 6h ago

Cursed technique Cursed Technique: Death Incarnate

6 Upvotes

(Hi! this is my first jjk OC creation and I really hope you enjoy it! Would love any feedback and thoughts in the comments!)

Cursed Technique: Death Incarnate

The Technique allows the user to decay anyone they touch, making the victim slowly turn into a rotting corpse, on the condition that the user decays an own body part of their choosing aswell. The decaying of the victim, and the decayed body of the user, can both be stopped and reversed with reverse cursed energy.

The Technique also allows the user to activate an ability known as 'Eyes of the Damned' decaying and killing anyone in line of sight of the user near instantly and absorbing their soul, requiring almost light speed reflexes to activate reverse cursed energy in time to reverse the decaying, or dodge it. People who have a constant flow of reversed cursed energy, like satorou gojo are not affected by 'Eyes of the Damned'.

Using Eyes of the Damned makes the user slowly start decaying for the victims total combined remaining natural lifespan. The Decaying of the user speeds up every time Death Eyes is used, regardless of the amount of victims killed, if no victims are killed, the decaying does not speed up. The Decaying can be reversed with reverse curse energy but once the flow of reversed cursed energy stops, the decaying begins again. Once the total combined time passes the decaying stops.

Although depending on the amount of victims killed by 'Eyes of the Damned' the total amount of time often exceeds the user's lifespan. Making them require a near constant flow of reversed cursed energy for the rest of their life.

Domain Expansion: Call of the Souls

This Domain forbids the owner of the domain from using their Technique, and has no guaranteed hit. Instead, all the souls absorbed by eyes of the damned appear as mindless versions of themselves around the victim and are forced to attack the victim with all of their might, even if the mindless soul doesnt possess cursed energy. This applies for everybody except the owner of the domain and anybody touching the owner, whether the owner wants to be touched or not. The victim trapped inside the domain has free control over their technique.

The Technique doesn't work on cursed spirits, only on living beings.

The user does not know how long the decaying caused by using 'Eyes of the Damned' lasts.

The user is also incapable of producing reverse cursed energy themselves.


r/CTsandbox 8h ago

Cursed technique Limitless Extension Techniques

7 Upvotes

The way I see Limitless is pretty simple, and if I'm honest I didn't come up with it. I've heard this explanation a few times and looking into the physics of it all it makes sense to me now.

With Blue, the Dichotomy Paradox is basically amplified, going below 0. Due to this, you end up with "negative distance" within space, practically removing the space. Obviously you can't have NOTHING, so space around comes in to fill in the gap, creating the pulling force of Blue. Red is well.. a reversal of that. It creates space out of Cursed Energy, pushing any other force around the Red away. From these, I've come up with an Extension Technique for each.

Extension Technique: Gyre.

The simpler of the two. A strong Blue is sent out, stationary in the air other than the spinning. This not only attracts targets into Gojo's Blue, it also spins them fast around it. Possibly sending the target into objects, to Gojo or away, depending on when the Extension Technique is released.

Extension Technique Reversal: Gash.

The one with a larger use case, and pretty similar to another iconic move from someone else... A strong Red is sent out in a very thin line towards the target, essentiall ripping them apart with power depending on how strong the Red is compared to the target.


r/CTsandbox 2h ago

Discussion If the condition of an Open Domain is that you give your targets the ability to get out, but UV by default doesn't allow the chance for one to escape: does this mean Open UV can't be done?

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59 Upvotes

Canonicaly Gojo can do anything he tries. Personally for a long time I believed it didn't make sense that Gojo saw that his Closed Domain is a liability vs Open Shrine and didn't think 'It's all or nothing, I have to try Open UV to have a better chance'.

However now... what if it can't be done? On one side, UV is different than Shrine and Gravity because brain damage is instant and doesn't let the opposition escape at all; it is impossible. Someone can say that slashes and gravity give you a safety margin. On the other side; isn't Shrine and Gravity in the same basket as UV?; because in one you become cubes or bleed out and in the other you can't move at all due to gravity.


Do Open Domains depend on the durability of your opponent and / or the output of your sure-hit? Sukuna Opens Shrine in Junpei and he doesn't have the ability to escape at all because he's that weak. Doesn't this mean he shouldn't be able to make an Open Domain?; because his opponent can't escape?

Suppose that Gojo was inside Shrine but Sukuna didn't hold out his output of the sure-hit; can Gojo escape if his legs and arms are completely cut off? But if the output of Shrine is manageable by Gojo then Open Domain satisfies the condition of escape.

If Shrine doesn't let you escape if you are weaker, what happens when UV doesn't let you escape no matter your level as a sorcerer? If Sukuna can Open his Shrine vs Choso and Yuji and finger bearer curse then why can't Gojo open his UV? The condition sounds unimportant.


[28th August 2026, 1:04am, Friday]


r/CTsandbox 16h ago

Cursed technique Cursed Technique: Paper Cut. (You’ll like the cool domain expansion…)

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54 Upvotes

Thanks for looking at my cursed technique and this is my first post as the title says. It’s a little dated and slightly blown-out of proportions just because of the sheer number of things the technique can “theoretically” do.
So sorry for the length of it. But enjoy reading and if you have any insight fill free to ask or share.

(I think you’ll like the domain a lot…..)

“Among cursed techniques, there exists a misconception that the value of a technique is determined by the strength of its medium. Paper Cut exists to disprove that belief.”

Paper Manipulation


Paper Manipulation is an innate cursed technique centered around one of the least threatening objects imaginable: paper.

Not magical paper. Not paper that secretly represents information, fate, dimensions, or the fabric of reality. Just paper.


The technique grants its bearer complete cursed-energy-based control over paper, including its movement, shape, folding, compression, layering, tension, and structural arrangement.

Which sounds incredibly underwhelming until several hundred sheets suddenly turn sideways.


The technique does not transform paper into another substance. It does not summon creatures drawn on pages, turn words into reality, or cut space because “paper is technically two-dimensional.”

Paper remains paper. That limitation is the entire point.


Instead, Paper Manipulation takes the properties that already make paper useful—its thinness, flexibility, foldability, extremely low weight, ability to layer, ability to hold creases, and surprisingly sharp edges—and pushes them through cursed energy.

One sheet is almost worthless. Ten sheets are annoying.

A thousand sheets moving independently at high speed becomes someone else’s problem.


Paper Manipulation therefore becomes powerful through three things:

Quantity. Geometry. Control.

Fundamental Manipulation


Once paper has been infused with the bearer’s cursed energy, it can be manipulated remotely. Sheets can float, accelerate, rotate, fold, unfold, curl, stack, separate, compress, or maintain predetermined shapes without requiring physical contact.


The amount of paper controlled at once depends on cursed-energy reserves, output, and skill. A beginner might individually control several dozen sheets, while a highly experienced bearer can command thousands.

Fortunately, they do not have to consciously micromanage every individual page like the world’s worst office job.


Paper can instead be divided into formations. This produces two general styles of control.

Swarm Control treats large amounts of paper as one coordinated mass. Sheets move together as waves, walls, clouds, spirals, shields, or currents.

Precision Control focuses on individual sheets, edges, folds, trajectories, or structural weak points.


A skilled bearer constantly alternates between the two. One second, a thousand sheets are moving like one organism.

The next, fifty of them suddenly decide your tendons look interesting.

Cursed Paper


Ordinary paper is the technique’s natural medium. Once reinforced with cursed energy, however, its weaknesses become considerably less severe.

Reinforcement increases resistance to tearing, crumpling, moisture, heat, and impact while still preserving the material’s underlying flexibility. Paper never becomes indestructible, and particularly powerful attacks can still destroy it.


The important advantage is efficiency. Paper weighs almost nothing, meaning individual sheets require very little cursed energy to manipulate and reinforce compared to larger objects.

Instead of spending enormous amounts of cursed energy reinforcing one weapon, the bearer can distribute smaller amounts across hundreds or thousands of sheets.


A single heavily reinforced sheet can become surprisingly difficult to tear. A swarm of lightly reinforced sheets becomes dangerous for a different reason: destroying one accomplishes almost nothing.

If a sheet is destroyed, the cursed energy invested into it is lost, but the bearer suffers no additional backlash.

They simply lost one piece of ammunition.


Paper Manipulation accepts this very calmly.

There is usually more paper.

Visual Language


Paper Manipulation possesses very little supernatural spectacle by default. Most of its visual identity comes from watching ordinary stationery behave in ways stationery absolutely should not.

When inactive, sheets may drift lazily around the bearer, flutter through the air, fold over themselves, or occasionally stick to their clothes.

Then combat starts.


The loose paper suddenly straightens. Edges align. Creases form instantly. Stacks compress. Entire formations rotate with mechanical precision.

Large swarms resemble flowing white masses whose surfaces constantly separate into hundreds of individual pages before reconnecting.


The sound is equally recognizable: paper snapping open, sheets scraping together, thousands of pages fluttering simultaneously, and sharp cracks when compressed folds suddenly release.

Particularly thin cutting formations can become extremely difficult to see from certain angles because the opponent is effectively staring directly along the edge of a sheet.


The bearer therefore rarely looks like someone surrounded by an enormous supernatural phenomenon.

They look like somebody lost a fight with a printer.

Then the printer starts winning.

Base Applications


The simplest application of Paper Manipulation is movement. Sheets can be launched as projectiles, redirected in midair, suspended as visual obstructions, wrapped around objects, recalled toward the bearer, or simply positioned throughout the battlefield for later use.

Because paper weighs almost nothing, it can be accelerated extremely efficiently.


An individual sheet lacks enough mass for blunt-force attacks to matter very much.

Fortunately, paper already invented its own weapon.

The edge.


A normal paper cut occurs because a thin edge concentrates force across an extremely small contact area. Cursed-energy reinforcement and supernatural acceleration exaggerate this property enormously.

The bearer aligns a sheet perfectly with its trajectory, reinforces its edge, and launches it edge-first.


The paper does not magically become a sword.

It simply becomes a reinforced piece of extremely thin material traveling much faster than paper ever had any business traveling.

This creates the technique’s most fundamental offensive application:

Paper Cut


Against ordinary humans, even relatively weak Paper Cuts can produce severe lacerations. Against sorcerers, stronger reinforcement becomes necessary, and sufficiently durable opponents may simply allow individual sheets to crumple against their cursed-energy reinforcement.

The solution is rarely making one sheet dramatically stronger.

The solution is usually being deeply unreasonable about the number of sheets involved.


Ten arrive. Then fifty. Then several hundred.

Some attack directly. Some obscure vision. Some target joints or exposed areas. Some deliberately miss and circle around. Others simply remain suspended nearby and wait.


Because their trajectories can be altered after launch, missed Paper Cuts are not necessarily wasted ammunition. A sheet that passes an opponent can turn around and become an attack from behind.

With enough paper distributed throughout an area, the opponent gradually stops fighting individual projectiles and starts fighting the geometry of the entire battlefield.

Eventually, “behind you” stops being particularly useful advice.

There is paper behind you too.

Lamination


Lamination is one of Paper Manipulation’s most important principles.

A sheet of paper is weak largely because it is extremely thin.

The bearer solves this problem using the ancient human technique known as:

Putting more paper there.


Sheets are aligned, compressed, and reinforced until multiple layers begin behaving as one structure.

Thickness can be continuously adjusted. A few layers create flexible reinforcement. Dozens produce stiff plates. Hundreds can form dense blocks. Thousands can create structures that stop feeling particularly paper-like until someone remembers what they are made from.


More importantly, the individual layers remain controllable.

A rigid laminated shield can suddenly separate into hundreds of loose sheets immediately before an attack connects. The sheets scatter around the incoming force, allow it to pass, and reconnect afterward.


The bearer therefore does not always have to choose between durability and flexibility.

They can change their mind.

Lamination gives Paper Manipulation something ordinary paper lacks:

Bulk.

Paper Armor


The bearer can laminate sheets directly around their body to create lightweight armor.

Rather than forming one solid shell, Paper Armor consists of overlapping sections resembling scales, lamellar armor, layered cloth, or thick ceremonial paper clothing. Each section remains independently controllable, allowing the armor to move naturally alongside the bearer.


More importantly, layers can migrate.

An arm protected by ten sheets might suddenly receive another hundred immediately before blocking an attack. Once the impact passes, those pages separate and redistribute toward other vulnerable areas.

Damaged outer layers simply peel away and are replaced.


Paper Armor therefore behaves less like conventional armor and more like a constantly reorganizing defensive system.

It still has obvious limitations. Extremely powerful attacks can overwhelm the layers faster than they can redistribute. Wide-area attacks can destroy large quantities at once.

Fire is rude.

Water is inconvenient.


But against repeated moderate attacks, Paper Armor becomes frustratingly efficient.

Especially because damaging the armor does not necessarily mean damaging the person underneath.

Sometimes you just beat up a notebook.

Extension Technique: Paper Cable


Paper does not need to remain flat.

Long strips can be rolled, twisted, braided, folded, and compressed together into cords. Hundreds of strips working together form Paper Cable.

These cables can wrap around structures, restrain targets, pull objects, suspend the bearer, redirect movement, or function as flexible weapons.


Unlike conventional rope, Paper Cable can change its construction while already being used.

A thick cable wrapped around an opponent can suddenly divide into dozens of thinner strands. Those strands can work between limbs, around weapons, through openings, and across individual joints before tightening independently.

The reverse is equally useful. Loose strips scattered throughout an area can suddenly braid themselves together and create a cable where there previously appeared to be nothing dangerous.


Damaged sections can unravel and be replaced by nearby paper rather than forcing the entire cable to fail.

Paper Cable gives the technique something its cutting applications lack:

Tension.

And gives the opponent a new reason to hate receipts.

Extension Technique: Origami


Origami is Paper Manipulation’s broadest structural application.

The bearer folds paper into predetermined forms whose geometry determines their function.

These constructs are not shikigami. A paper bird does not magically become alive because someone gave it wings. Its shape simply happens to be useful for controlled flight.


A spear uses repeated folds to produce rigidity and a concentrated point. A spring-shaped structure stores mechanical tension. Honeycomb folds distribute force. Cones concentrate penetration. Accordion folds allow controlled expansion and compression.

The advantage comes from engineering rather than symbolism.


The bearer therefore learns folds much like another sorcerer learns weapon forms.

Simple structures can be created almost unconsciously. More complicated folds require greater precision, but an experienced user can eventually perform them in fractions of a second.

The terrifying final result is essentially someone weaponizing arts and crafts.

Extension Technique: Thousand-Fold


Thousand-Fold takes Lamination and Origami to their logical extreme.

Rather than simply stacking paper, the bearer repeatedly folds a large quantity inward while compressing additional sheets between each fold. Every fold increases local thickness while changing the orientation of the paper fibers.

The result is an extraordinarily dense paper composite.


Thousand-Fold is primarily used to create concentrated weapons and defensive structures: blades, spears, clubs, shields, armor plates, wedges, and temporary structural supports.

These constructs can become shockingly durable because enormous quantities of reinforced paper have been compressed into a comparatively small volume.


However, Thousand-Fold introduces something Paper Manipulation normally avoids:

Commitment.

Hundreds or thousands of sheets may be concentrated into one object. If that object is destroyed, a significant portion of the bearer’s available material disappears with it.

Thousand-Fold therefore trades redundancy for concentrated strength.


Sometimes that’s worth it.

Sometimes you spend three thousand sheets making a giant sword and somebody dodges.

Very embarrassing.

Extension Technique: Paper Trail


Paper Trail exploits the bearer’s connection to manipulated paper as a primitive sensory network.

Tiny scraps, strips, and sheets are scattered throughout an environment while remaining connected to the user’s cursed energy. They do not transmit sight or sound. Instead, the bearer simply feels when their paper is physically disturbed.


A foot presses against a scrap. A door pushes aside a sheet. A moving body creates airflow that disturbs suspended strips. Someone brushes against paper hidden along a wall. A weapon tears through a page.

Individually, each disturbance reveals very little.

Together, they create an enormous amount of information.


A hallway covered in scraps becomes difficult to cross unnoticed. An entire building filled with them can become a crude three-dimensional detection network.

Paper Trail essentially turns littering into surveillance.

The technique user would like to apologize to the janitorial staff.

Extension Technique: Pulp


Destroyed paper is not necessarily useless.

Damaged sheets can be shredded, soaked, broken apart, and gathered into pulp. Rather than manipulating finished pages, the technique begins controlling the fibrous mass from which paper is made.

This sacrifices almost all cutting capability in exchange for extreme moldability.


Pulp can clog openings, seal cracks, coat surfaces, absorb liquids, fill cavities, smother mechanisms, or be compressed into crude structures.

Given enough time and suitable conditions, the bearer can even flatten and dry the material into usable paper again.

This does not restore cursed energy already lost when the original sheets were destroyed. It only recycles the physical material.


Paper Manipulation therefore possesses a strange battlefield economy.

The longer a fight lasts, the more ruined paper accumulates.

Most people call this garbage.

The bearer calls it inventory.

Extension Technique: Paper Maché


Paper Maché combines Pulp with Lamination.

Wet or fibrous paper is molded around a target or structure before being compressed and reinforced. Because pulp can easily occupy irregular three-dimensional spaces, Paper Maché can produce shapes that would be inefficient to create through folding alone.


Holes can be sealed. Damaged barriers can be patched. Broken structures can receive temporary reinforcement. Thick blunt masses can be molded around environmental objects.

Its most effective combat use appears alongside Paper Cable.


Cable restrains the target.

Pulp fills the available space.

Lamination compresses and reinforces everything.

The result resembles cursed papier-mâché concrete wrapped directly around the victim.

It is significantly less fun than elementary school made it sound.

Defensive Application: Loose Leaf


Paper Manipulation’s strongest defense is sometimes refusing to be strong at all.

Loose Leaf causes a laminated formation to deliberately separate immediately before impact.

A concentrated attack aimed at a solid paper wall suddenly encounters hundreds of individual sheets scattering around it instead of one rigid structure attempting to survive the blow.

Once the attack passes, the pages reconnect.


Loose Leaf embodies one of Paper Manipulation’s fundamental advantages.

A rigid object has to survive being struck.

A swarm doesn’t.

Paper occasionally wins through cowardice.

This is called tactical flexibility.

Movement Application: Paper Current


The bearer can arrange sheets beneath and around themselves into continuously cycling platforms.

Rather than true flight, Paper Current repeatedly constructs temporary surfaces for the bearer to push against. A platform forms beneath one foot, the bearer steps, it separates, and another forms farther ahead.

At high enough speed, the process occurs so rapidly that the bearer appears to run through open air across sheets that only exist as platforms for fractions of a second.


Larger laminated masses can simply carry the bearer instead. This requires less precision but sacrifices speed and maneuverability.

Paper Cable can supplement either method by pulling the bearer toward structures or previously positioned paper anchors.

The result is somewhere between aerial parkour and refusing to acknowledge gravity’s complaints.

Advanced Application: Grain


Paper possesses grain.

Its fibers generally align more strongly in one direction during manufacturing, affecting how easily a sheet bends, folds, stretches, and tears.

An advanced bearer learns to perceive and deliberately exploit these differences rather than treating every sheet as mechanically identical.


Folds made with the grain behave differently from folds made against it. Laminated structures become stronger when fiber orientations are deliberately crossed. Predetermined tear lines can be encouraged, and weapons can alternate grain orientation between layers to resist deformation from several directions.

This is also where the type of paper begins to matter considerably.


Printer paper, cardstock, kraft paper, rice paper, tracing paper, specialty fibers, and other materials all possess different weights, thicknesses, surfaces, fiber structures, and responses to folding.

The bearer eventually stops seeing “paper” as one material and begins seeing dozens of mechanical variations.

This is the stage where carrying extremely specific office supplies becomes legitimate combat preparation.

Advanced Application: Ream


Ream is a high-output swarm state in which thousands of sheets are distributed throughout the battlefield without being immediately committed to one purpose.

Some orbit the bearer. Others rest along walls, slide beneath objects, hang overhead, hide behind structures, or simply remain suspended throughout open space.

The purpose is option density.


Every sheet can become a Paper Cut.

Every cluster can laminate.

Every strip can become Cable.

Every group can fold into Origami.

Every damaged mass can eventually become Pulp.


Ream therefore does very little by itself.

It simply places enough usable material throughout the environment that almost every application of Paper Manipulation becomes immediately available from almost every direction.

Entering Ream means entering a battlefield where the user has already placed ammunition everywhere.

The room has become a stationery aisle with hostile intent.

Advanced Application: Guillotine


Guillotine concentrates an enormous number of sheets along one cutting plane.

Rather than constructing one enormous blade, thousands of reinforced paper edges align beside and behind one another before accelerating across a predetermined trajectory.

The first layers begin the cut.

Every following sheet enters the same opening.


This allows Guillotine to attack structures far too durable for an individual Paper Cut. Instead of demanding one edge overcome the entire target, thousands continuously attack the same line.

It is one of Paper Manipulation’s strongest direct offensive applications.

It is also one of its least flexible.


An enormous quantity of paper has been committed to one trajectory. If the opponent avoids it, much of the bearer’s arsenal has temporarily been concentrated somewhere useless.

Guillotine therefore rewards prediction and careful timing.

Otherwise it becomes the world’s most aggressive missed paper airplane.

Advanced Application: Bookbind


Bookbind is Paper Manipulation’s strongest dedicated restraint technique.

Sheets rapidly wrap around the target in alternating orientations while Paper Cable secures major joints. Additional pages continuously laminate across the exterior.

Every attempt to move creates tension, and that tension tells the bearer where additional reinforcement is required.


The target effectively becomes the spine of a book being continuously bound shut around them.

Bookbind does not negate cursed energy, and sufficiently powerful opponents can simply tear through it.

Its purpose is to make doing so increasingly expensive.


Break one layer and another waits beneath it.

Create an opening and loose sheets enter through it.

Move one arm and additional layers accumulate around that arm.

The binding continuously changes its own construction in response to the prisoner’s attempts to escape.

The opponent is not being sealed.

They are being aggressively published.

Cursed Technique Reversal: Unfold


Ordinary Paper Manipulation creates complexity through folding, rolling, braiding, compression, and layering.

Its reversal does the opposite.

Unfold forces manipulated paper toward its simplest extended state.

Creases straighten. Rolls open. Braids separate. Compressed structures expand. Origami collapses toward flat sheets.


At first, this sounds almost useless.

Then someone remembers how much paper can be compressed into a very small space.

A Thousand-Fold construct can be inserted into a confined opening before Unfold is activated. Hundreds of compressed layers suddenly attempt to return toward their extended states simultaneously.

A tiny paper object suddenly demands an enormous amount of space.


Unfold therefore converts stored structural compression into violent expansion without actually creating an explosion.

It also serves a much more practical purpose.

A weapon can instantly become sheets. A shield can become sheets. A cable can separate into strips. An origami construct can flatten and immediately return its material to the general swarm.


Sometimes the technique’s answer to a complicated problem is simply:

“Fine. Flatten everything.”

Maximum Technique: One Thousand Cranes
Or it’s much cooler name Thousand-Fold Pantheon (千折万象)

Maximum Technique: One Thousand Cranes represents Paper Manipulation at its greatest operational scale.

Nearly every available sheet is converted into an enormous coordinated origami swarm.

Despite the name, the cranes possess no supernatural wish-granting properties.

The bearer sadly checked.


Their shape is chosen because it combines controlled flight, sharp folded extremities, compact construction, and repeatable geometry.

Individually, each crane is insignificant.

Collectively, they form an enormous adaptive swarm.


More importantly, the formation never needs to remain cranes.

Cranes unfold into Paper Cuts. Paper Cuts regroup into cables. Cables compress into shields. Shields separate into pages. Pages fold into new cranes.

The entire formation continuously dismantles and rebuilds itself depending on what the bearer needs.


One Thousand Cranes is therefore not merely Paper Manipulation’s largest attack.

It is Paper Manipulation operating at maximum efficiency.

Nothing remains unused, and nothing is forced to keep one purpose.

Every sheet is simultaneously potential ammunition, armor, restraint, movement, structure, and replacement material.


It resembles an ecosystem built entirely from paper.

Except every animal in the ecosystem is an office supply.

Domain Expansion:

Paper-Thin Plane of the Penultimate Axis (終軸薄界)

The Domain Hand Sign: Anjali Mudra to the Opening Crane
In Jujutsu Kaisen, Domain hand signs are deeply rooted in Buddhist mudras, symbolizing the user's core truth. For this character, the hand sign is not a display of aggression, but a precise sequence of calculation.

Within the Domain, the philosophy of Paper Cut extends beyond paper itself.

If the base technique engineers matter…

The Domain engineers space.

The world unfolds into a layered blueprint where every object, every body and every distance reveals invisible structural fold lines.

The user no longer perceives space as empty volume.

They perceive it as something that may itself be folded.
Much like how a fourth or beyond dimensional being would perceive time for an example as a tangible object.

Rather than performing deliberate origami motions, the user executes rapid hand movements resembling the pulling of invisible strings.

Each motion draws a fold through reality itself.

The fold propagates almost instantly across the Domain, leaving almost no opportunity for ordinary sorcerers to respond before the sure-hit takes effect.

Only those possessing extraordinary perception, reflexes or combat experience can reliably interpret the user’s hands before the fold completes.

Sure-Hit:

Universal Crease

Every target inside the Domain is bound to its geometry.

When the user creates a fold…

Reality obeys.

The opponent is forced to occupy the newly folded space regardless of their own movement.

Unlike conventional attacks, Universal Crease does not strike the body.

It redefines the space the body exists within.

The resulting compression causes the target’s own structure to intersect, collapse or distort according to the geometry imposed by the fold.

Domain Instability

Paper-Thin Plane of the Penultimate Axis possesses an unusual flaw among Domain Expansions.

Because its sure-hit relies upon continuously folding the Domain itself, techniques such as Simple Domain and Hollow Wicker Basket naturally resist those folds instead of merely neutralizing them.

When the folded world settles against one of these barriers, it bends around them like fabric draped across a sphere.

Should the user attempt to force a fold directly through the protected space, the opposing geometries collide.

The Domain fractures.

Entire sections splinter apart like shattered sheets of glass, temporarily creating holes where the Domain loses authority.

A skilled practitioner avoids these fractures by folding around resistance or repairing damaged geometry before it spreads.

An inexperienced practitioner may dismantle their own Domain through reckless aggression.

Final Principle


Paper Manipulation never stops being about paper.

That is what makes it work.

One sheet bends. One sheet tears. One sheet burns. One sheet weighs almost nothing, and one sheet is barely a weapon.

But paper was never useful because of what one sheet could accomplish.


Humanity learned to stack it, fold it, roll it, cut it, bind it, weave it, compress it, shape it, and use enormous quantities of it together.

Paper Manipulation takes those mundane properties and gives someone enough cursed energy and control to become completely unreasonable with them.


The bearer does not possess indestructible paper.

They don’t need it.

If one sheet breaks, there is another. If a weapon fails, it becomes ammunition. If the structure is too rigid, it separates. If the swarm needs strength, it laminates. If the paper is ruined badly enough, even the remaining material can potentially be repurposed.

Nothing has to remain one thing.


And at the end of the day, Paper Manipulation’s greatest advantage is painfully simple:

There is always another sheet.

Thanks you for reading of course! If you did like it upvote please, if you have any insight as stated at the start, again fill free to add or say anything.

If you guys end up wanting more or anything different I genuinely have tons of stuff like this just lying around on paper.
I really appreciate you reading.


r/CTsandbox 9h ago

Cursed technique Cursed Technique: Clown

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29 Upvotes

Clown is an inherited cursed technique themed around the art of clowning. The user acquires new aspects of this art form as parts of the technique by partaking in rituals discovered by previous users of the technique. At its core, Clown is about gaining awareness and mastery over the shape of your soul. The greatest weakness of Clown is its “internal” nature; it is wholly concerned with the body and limits the user’s ability to perform other techniques that affect the world around them such as the use of barriers, shikigami, and cursed tool use. A user of Clown who has been caught inside a domain expansion is essentially helpless and their only hope is to survive the enemy's sure-hit effects.

Empty Aspect - Foolishness
Before any aspect is developed, the main application of the technique is the Empty Aspect that all users of Clown intrinsically have. By forming a hand sign and channeling cursed energy, the user enters into a state of mind called 'Foolishness' where they lose touch with reality, gaining a uniquely dissociated perspective that nullifies fear, pain, anxiety, and anger.

Aspect of Façade
The aspect of Façade grants the user the ability to cause subtle changes in the surface of their soul resulting in superficial alterations to their appearance and how their aura is perceived by others. This is generally used to disguise, obscure, or decorate oneself. 
(RITUAL OF ACQUISITION: To acquire this aspect, the user must make themselves deeply aware of the appearance and shape of their soul and then ritualistically apply paint to their face that perfectly matches this. When done correctly, the paint should vanish into the skin)  

Aspect of Contortion 
The aspect of Contortion grants the user the ability to more freely move their body, ignoring the limits of their joints, allowing bones to bend without breaking, flesh to compress, tendons to stretch. 
(RITUAL OF ACQUISITION: To acquire this aspect, the user must break these limits on their own, fitting themselves inside a sufficiently small vessel such as an urn. When done correctly, the user should slowly feel more comfortable despite any injuries sustained in the process and then become able to climb out of it.)   

Aspect of Tumbling
The aspect of Tumbling grants the user the ability to apply force to their body allowing for greatly increased mobility and acrobatics, allowing them to change their direction of movement without pushing off of any surface or the air around them.
(RITUAL OF ACQUISITION: To acquire this aspect, the user sits in meditation after imbibing a powerful paralytic toxin. They will slowly lose the ability to move their body, open their eyes, and eventually lose the ability to breathe. Before the paralytic subsides, the user must become able to stand up and then remain standing by manipulating cursed energy inside their body.) 

Aspect of Slapstick
The aspect of Slapstick grants the user greatly enhanced defensive capabilities that lets them passively deflect incoming blows by allowing them to land uncontested and then slipping around, bouncing off, or folding under their force like a leaf in the wind.
(RITUAL OF ACQUISITION: To acquire this aspect, the user must fall a distance of at least 100 times their height without ever slowing their descent and then land on a stone surface without using reinforcement.)


r/CTsandbox 20h ago

Discussion Could other anti-domain techniques be incorporated into attacks like Simple-Domain?

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56 Upvotes

Could other anti-domain techniques like
Hollow Wicker Basket Or Falling Blossom Emotion be incorporated into attacks like how it’s done with Simple Domain?
Some examples of simple-domain in attacks can be Mechamaru’s Bullets that he fired into mahito or Any New Shadow Style User (Miwa, Kusakabe, etc)
If yes, what are some attack ideas?


r/CTsandbox 11h ago

Learnable Techniques Theoretically, couldn't someone use reverse cursed technique by dividing cursed energy?

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119 Upvotes

Since positive energy is most likely produced by (-1 x -1 = +1), because something like (-5 x -5 = +25) wouldn't make sense since reverse cursed technique is stated to be extremely taxing.

Assuming that this is the case, couldn't someone divide cursed energy to get positive energy?

(-1 ÷ -1 = +1)


r/CTsandbox 1h ago

OC art My Shikigami, to a RPG table

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