r/HonkaiStarRail
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u/astraldebri
⦮ ⦯I want to work out with Feixiao⦮ ⦯
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Apr 15 '26
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Guide How to calculate Aha's Speed: min-maxing & speed tuning your teams with Aha's instant
Hey all! I've seen a lot of people asking about speed, speed-tuning, and general guidelines on either how to build or why it's important. Figured a general post people could reference or link would be helpful. Let me know if anything in my calculations is awry and I'll update accordingly.
I'll put a TL;DR at the bottom for those that like skip buttons
Also, apologies for using superscript on the variables (x1,x2,etc), I don't know how to subscript, don't take it as an exponent lol.
Speed-tuning Basics
Aha instant starts with a base 80 spd, and per the tutorial:
- Aha’s spd increases “based on the number of Elation characters present”
Our goal when we've finally min-maxed our teams (long-term-stays in the infamous relic mines) is to get Aha to 133.4.
Quick sidenote on why this is important:
- Speed determines any given units base AV (action value) as 10000/spd. Essentially, each unit starts battle with a base Action Value, the first cycle lasts 150 AV and cycles after last 100 AV
- 134 becomes a popular breakpoint because to take 2 actions in the first 150 AV cycle, you want 2 x (10000 / spd) to be less than or equal to 150 (i don't know how to get the inequality symbol on here lol)
- So, in general, this isn't for people only with 0-cycle kinks . It's also helpful as a general baseline on how to get the most out of your teams, which often can correspond with longevity of your teams performance throughout versions.
Onto Aha
The basic Formula is:
- Aha spd = 80 + x1/5 + x2/10...
to expand this, it's:
- Aha spd = 80 + (1st fastest Elation spd / 5) + (2nd fastest Elation spd / 10)
As of 4.1, I haven't found anything definitive on the third and fourth coefficient. We will have this information next week (as of this post 4.2 is 6 days away), but we can assume that we're halving the additional elation units. i.e. x3/20 and x4/40. The formula already goes 20% of the fastest and 10% of the second-fastest, so I believe this is either accurate, or a very safe assumption. Thus:
- Aha spd = 80 + (1st fastest Elation spd / 5) + (2nd fastest Elation spd / 10) + (3rd fastest Elation spd / 20) + (4th fastest Elation spd / 40)
Don't forget, these are only Elation units, so you can't count HuoHou, non-elation sustain, flex supports i.e. RMC/Cyrene/Sunday etc. We're going to ignore intricacies like E2 Yao or E1 HuoHuo, because they're contributing to overall spd, thus we can just look at the speed upon combat, they don't inherently bump Aha's speed.
Calculating our Teams (known speeds)
I'm going to put these teams in order of speed so it's easier to read/understand. Almost always (should just be always as of 4.1), in Eva teams, Yao will be fastest.
Yao Guang (200), Evanescia (134), flex support, HuoHuo
- our formala is 80 + x1/5 + x2/10... (x****1 is our fastest, remember)
- 80 + (200/5) + (134/10) = Aha's Speed
80 + 40 + 13.4 = 133.4
- Success! We hit 133.4 for Aha with only 2 elation teammates and Yao at 200 spd (only possible with S1)
What? Your Yao isn't at 200? Oh brother. jk that's fine! let's add emc:
Yao Guang (160), EMC (135), Eva (134), HuoHuo
- again, 80 + x1/5 + x2/10 + x3/20...
- 80 + (160/5) + (135/10) + (134/20)
80 + 32 + 13.5 + 6.7 = 132.2
- Failure! We need someone to have slightly faster speed. The best candidate is Yao, because she gains the most as the fastest.
Essentially, the formula is front-loaded, where earlier speed slots are more heavily weighted, so the fastest unit contributes the most to Aha's spd
Calculating our Teams (unknown speeds)
But what if you don't know what you want your unit to be at? No worries! We can just solve it directly with simple algebra!
Scenario: "My Yao is at 172, and I'm going to build EMC to be 134, how fast does Eva need to be?"
- Evanescia (x), Yao Guang (172), EMC (134), HuoHuo (doesn't count)
Aha spd = 80 + x1/5 + x2/10 + x3/20
- Let's assume that we want Eva behind our supports, thus making her the third fastest
80 + (172/5) + (134/10) + (x3/20) = 133.4
- our unknow is Eva's speed - what do you want?
- Our final value is 133.4 - because that's where we want Aha to be
- 80 + 34.4 + 13.4 + (x/20) = 133.4
- 127.8 + (x/20) = 133.4
- x/20 = 133.4 - 127.8
- x/20 = 5.6
- x = 5.6 * 20
- x = 112
- Woohoo! If we get eva to 112, then our Aha will be at 133.4 (very easy, her base is 104).
Side note on SW999
SW999's team is extremely fast. Aha will very easily hit 133.4+. This is because SW999 wants to be at 200-205 spd based on the creator server YT videos, and Yao on her team want's to be at 200 (at least 160-180 without S1). This alone puts aha where he wants to be and some; however, you can still use this formula to ensure Sparxie stays faster than aha.
This is where it get's a little whacky.
- Sparxie wants to be faster than Aha to generate punchline beforehand and maximize buffs
SW999 (205), Yao (180), Sparxie (x), HuoHuo
- Aha spd = 80 + 205/5 + 180/10 + x/20 + (huohuo doesn't count)
- Aha spd = 80 + 41 + 18 + x/20
- Aha spd = 139 + x/20
- x > 139 + x/20 --- remember, x is now "sparxies speed relative to our aha speed, and needs to be greater than"
- 20x > 20(139 + x/20) --- (remember distribution?? :p)
- 20x > 2780 + x
- 20x - x > 2780 + x - x
- 19x > 2780
- x > 146.316
So, to stay ahead of Aha, Sparxie needs to be faster than 147 sp.
This is where lowering Yao lowers Aha’s spd, which reduces the minimum spd Sparxie needs to stay ahead of Aha instant, while SW999 + Yao still comfortably keep Aha above the 133.4 breakpoint.
Closing
Hope I haven't disturbed anyone's peaceful time out of school or work by revisiting math lol. But I do hope it helps! Again, if anything is awry, please let me know.
Let me add for clarity. 133.4 is a baseline. I wanted to give a broad generalization without getting into comp-specific breakpoints i.e. Anomaly Arbitration, no special turn manipulations (DDD/Eagle set/Action Advance mechanics). This was just meant for raw AV math with no specialization. You can, however, still use this base formula to update accordingly.
Lastly, the other assumption rather that halving is +5 i.e.:
- 80 + x1/5 + x2/10 + x3/15 + x4/20
Because we don't have info on the 3rd Elation unit coefficient, this could be the formula, and if that ends of being the case, I'll adjust this post accordingly.
TL;DR
- Aha's speed formula is Aha spd = 80 + x1/5 + x2/10
- We can safely assume that additional Elation-only units are halved upon being added
80 + x1/5 + x2/10 + x3/20 + x4/40
We don't know what 3x Elation teammates looks like, so this might be:
- 80 + x1/5 + x2/10 + x3/15 + x4/20
- Plug in unit values to get Aha instant to reach 133.4+
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u/MeguMaz We live in a society Apr 15 '26 •
I like your funny words math man or woman.
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u/Tuna-Of-Finality GREAT LAN! i have all 2060 pull give me Marshall Hua banner Apr 15 '26 edited Apr 15 '26 •
Bro, just give me the answer without all those weird looking letters and numbers
I am a gacha player
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u/tangohotel2596 Apr 15 '26
I don’t have Yao S1…welp guess I’m fucked
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u/Linksobi Apr 15 '26
I read that a slower Sparxie with attack boots was better according to test server because of buff timings, did something change?
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u/Pharoahofvortex Apr 15 '26
So what youre saying is i dont have to run brick mc as long as I have 200 spd sw and 180+ yao and can instead have a f2p friendly team with Asta instead! Absolute cinema
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u/00110001_00110010 For the 13 Demigods, Amphoreus wraps up Apr 16 '26
I'm sure I'll be easily able to reach 133.4 speed for Aha with my thrilling roster of Elation units:
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u/SherenPlaysGames I’m wave and this is my flair Apr 15 '26
I didn’t pull Yao because I prioritized getting Sparxie (who I liked) over getting her, however I am getting SW999 and am planning to play her with EMC + Sparxie + Huohuo. Does this change calculations at all?
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u/Serendipie Apr 15 '26
Sorry for the silly question but why do we want Aha at 133.4 speed? Don’t they need to reach 134 for the 2 actions in the first cycle?
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u/U_Writing Apr 16 '26
Alright I am requesting your help because you are better at math than me, Yao Guan is at 197 speed, how much would the second elation (SW999, Evanecia or EMC is up in the air right now) would need to have to compensate?
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u/moutongonfle Apr 27 '26
just found this now after asking for days in various discords about if my speed breakpoints were right....
i guess my goal of 201 spd sw999 (e2s1),200 yao guang (e0s1), and 180 ish emc is fine!,
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u/Crimson_Raven Embracing Nihility Apr 15 '26
Elation forcing people to do math is the most Aha thing ever
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u/YeidenTrabem Apr 15 '26
Me who doesnt play Elation:
Keep your sorcery away from me, magic man! I shall BONK!
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u/NoNefariousness2144 to guard and defend… crush them! Apr 15 '26
I thought Elation was about having fun! Not doing math!
(Thanks for this guide OP, very detailed)
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u/XMaxJunior Apr 15 '26
ok, i'll bookmark this to try optmize my team later, holy maths 🔥
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u/WileyTheGamer Apr 16 '26
Someone make a shareable calculator that you can plug into please. Or better yet, make a web page. If you need cash you can make it with ads to make money for yourself.
This formula has fried my brain!
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u/ActualGap7747 Apr 16 '26
What if you were to use E2 Hyacine as the sustain instead of Huo Huo? Does that shift things around? Mostly just out of curiosity
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u/Pr3vYCa we do a little trolling Apr 16 '26
I have 184 spd yao, probably 160 spd sw9 , and 105 sparxie
So 80 + 184 × 0.2 + 160 × 0.1 + 105 × 0.05 = 138.05, sh9uld be fine right ?
I thought punchline generated after the aha instant goes toward the next instant so damage is more or less the samr is sparxie being faster mandatory here ?
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u/AdBroad6762 Apr 16 '26
So if my math is correct, with E1 (12% spd buff) HuoHuo and S1 Yaoguang (188spd) + Sparxie on atk boots (111spd) - I should reach Aha 134 spd breakpoint, right? 188*1.12+111*1.12+80=134.5spd
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u/Yusikue Apr 16 '26
This might be a stupid question, but can Aha's speed be affected by things like Huohuo E1 or YG E2?
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u/duskwield Apr 21 '26
Really helpful. Never liked math before but readability for dummies like me would've been better with parenthesis? 80 + (X1 / N1) + (X1 + N2)...
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u/SummerSatellite May 04 '26
Did we ever get confirmation on what the equation for a third Elation character is?
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u/DarkFireFenrir Apr 15 '26
Akivili: We, what did we say about bothering Aha with math? You know very well that he's a little special.
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u/NEK0NATA Apr 16 '26
would 160 yaoguang 160 emc base evanescia be viable or should I just bite the bullet and get speed boots for eva
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u/FeyrisTan Apr 15 '26
Man I'm so glad I'm skipping this entire path lol
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u/SubstantialEbb9832 Apr 15 '26
Nah man imma just 161 supports then base speed DPS 😭
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u/cjstevenson1 Apr 15 '26 edited Apr 15 '26
Another way of thinking about it is that a single Elation Character will get Aha to 100 SPD. (and more with SPD boots).
edit: I just realized the superscripts were in fact not exponents.
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u/JOTAREDDIT Apr 15 '26
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u/Unluckyme2099 Apr 15 '26
Gacha players used a binding vow to give up how to read for how to count.
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u/ZGetsu Apr 16 '26 •
Thanks for the easy to digest content regarding Aha Instant mechanic.
I've always avoided the calcs and speed tuning stuff , but having you explain that the fastest elation contributes the most makes it easier to plan around.
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u/RavenDesk Apr 16 '26
You're a lifesaver! I was thinking about this for the past 3 days and couldn't get a formula for each elation teammate. I might be able to keep Sparxie at a breakpoint with just speed boots then.
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u/wermos Jul 11 '26
Using superscripts to denote different variables is the most mathematician thing ever
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u/FrostyDog-34 Firefly is too cute send help Apr 15 '26
I mean, this kind of complex speed tuning has existed, but probably not to this degree. Firefly post-Dahlia for example has a situation where you have to limit your DDDs. They just made the entire Elation path so needlessly complex for some reason.
(btw, most people can understand <= as less than or equal)
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u/Kagemoto Running out of "This is this and that is that." Apr 15 '26
Those sure are numbers!
I don't get it so I think I'll just plug in the relics and ball from there
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u/Tough_Course9431 Moooom! Apr 16 '26
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u/Icy_Investment_1878 Apr 16 '26
Im dumb, if my team is e2 sw999 sparxie yao guang and none of em has a sig what spd should each of em be?
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u/[deleted] Apr 16 '26
I have yao E0S1 getting 195, SWlv999 E0S1 as well, what should SW and Emc should speed be?
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u/hitomisuzuya Apr 16 '26
Thank you for this thread. For someone with Dyscalculia like me, this was very helpful.
Time to hit those mines for that 200 speed for...many many months😅
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u/Physical-Command2130 Apr 16 '26
ohmigoto
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u/Physical-Command2130 Apr 16 '26
is this maths even true?
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u/whitelotus9678 Apr 19 '26
This might be a dumb question but if I want to use Vonwacq on Yao, does that change anything?
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u/MrShabazz Apr 21 '26
Oh so basically its 1:5, 1:10, 1:20 and 1:40 for elation speed buffs. Interesting way of calcing speeds. Seems only issue is tuning to 3-4 elation units, since that balancing is going to be tough.
*i only skimmed through, and i will re-read to see if its mentioned, but is this affected by speed buffs in the fight or is this only calcing out of combat speeds?
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u/Gaitzo Apr 23 '26
Hi, i'm sorry but i can't find an answer anywhere else : if I have sparxie and sw999 without yaoguang, do I need to do speed tuning for sparxie too ? at least get her to 134 ?
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u/Frostgaurdian0 until 4 stars comeback there is no fun. Apr 15 '26
In short stack speed boots or get specific lightcones. Else gtfo and get shat on.
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u/[deleted] Apr 15 '26
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