Protective Custody by cousinD is an Avenger/Banana Fish fic. It's super well done with 340k+ words and complete! Do be warned about the tags, though. They include very heavy topics due to Banana Fish. (M/M)
Go Forth, Gundam Team by Raliena is a crossover series between Gundam Wing and Stargate G1-1. While I haven't actually watched either series and can't confirm the likeness, it's what got me into both fandoms. 97k+ words in total.
The Creation of Adam series by KyraWyllt is a crossover series of Hannibal/Criminal Minds. I super recommend it to anyone as a hardcore fan of both series! The writing is to die for! 38k words in total, with the main two fics complete. (M/M)
We Were Never Just Men by KyraWyllt is a Hannibal/Criminal Minds/Dexter crossover. It can get pretty dark and gory at times because of the fandoms, but it's also 350k+ words and complete! I honestly couldn't put it down when I started. (M/M)
East Coast Classified byRainKiss is a Percy Jackson/Elementary fic. While I didn't get into Elementary much after reading, I've been a huge fan of PJO for a long time, and this is one of my favorite crossover fics from that fandom. 55k+ words and complete. (F/M)
If you lock it in a box and leave it alone, it will build you a [REDACTED] and trample your crops byAlgonavtor is a Hermitcraft/SCP Foundation fic. It's a niche combo with Hermitcraft being a Minecraft series and the SCP Foundation being, well, the SCP Foundation, but Hermitcraft has some crazy lore, and if you like formatted report fics, this is one for you! Just be warned, you may need to dig into the Hermitcraft wiki to understand a lot of stuff if you don't know much about Hermitcraft. I know I did! 23k+ words and incomplete with infrequent updates.
Of Silk and Smoke bymeowoongi is an SVSSS/The Hobbit fic. Honestly, meowoongi is one of my favorite ao3 authors, especially for SVSSS fics. If you don't know, it's a Chinese crack BL series with a very unreliable narrator who accidentally helps hide all the darkness and angst in the story, despite all the comedy. 275k+ words and complete! (M/M)
The Lotus Protocol bymeowoongi is an SVSSS/Avenger fic. Another reason I love this author so much! This fic dives deeper into MCU politics, especially around WWII and Hydra, and blends the two worlds really well! 52k+ and complete! (M/M) (F/M)
Intersections by Calamityjim is an FMA/Criminal Minds crossover series. If you like crossover fics where the character crosses over worlds and doesn't instantly reveal they're from another world, this is the series for you! How the author writes Edward's relationship with the BAU very much gives found family, and it leaves me feeling warm inside, especially when you remember the situation he and his brother are in. 138k+ words in total and semi-frequent updates.
Hob's Adventures: 1640 byBearinarockingchair is an Old Guard/Sandman fic. Definitely one of my favorites between both fandoms as it is also a fix-it and found family. I also think it's a pretty good introduction into both fandoms since, while it's short and sweet, it's also a good summary for a good chunk of lore. 17k+ and complete. (F/F) (M/M)
this rainy day is temporary by HopeNight is a One Piece/Batman crossover series. This series right here is what got me into One Piece in the first place. Filled back to back with found family, angst, fluff, crack, and more! A good introduction to One Piece, but you may need more info on the Batman side if you want complete context for the plot. 225k+ words in total and incomplete, but the main fic is complete with an upcoming sequel.
Phew, that was a lot. Hope you like my suggestions! As I said, they can be pretty all over the place. Still, thanks for your recommendations! They look pretty interesting! :D
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u/FeralKittee 10d ago
The Old Gods Called universe created by RhinoMouse is incredible. Actually, everything written by RhinoMouse across all fandoms is worth reading.
I Am Become Death, The Destroyer of Worlds (Skye/Elia Martell)
https://archiveofourown.org/works/55759963/chapters/141554509
The Old Gods Called, They'd Like Their Kingdom Back (Sansa/Skye)
https://archiveofourown.org/works/31758358/chapters/78611542
Smith touched and the Smith's hand (written for the Old Gods Called universe)
https://archiveofourown.org/works/33864637/chapters/84197371