Fate/stay night and One Punch Man/ワンパンマン
Crossovers
59
LUCK:EX » by iamthezero
The world was incinerated. The last remnants of humanity remained to fight back, but they need help, perhaps, an otherworldly one. He is The Strongest Man of another world, a Paladin of Justice, where he is from, his mere presence comforts the masses and silences their cries. He is the strongest, greatest hero of his world, and his name is King.T, English, Humor & Adventure, chapters: 2, words: 19k+, favs: 269, follows: 367, updated: 5h published: 9/30/2022, Mashu/Shielder, Ritsuka F., King
109 Fate Zero Hair » by Writey the Writer
Kirie Kotomine was supposed to summon Assassin, Hassan of a Hundred Faces to be precise. He failed spectacularly. With years of planning down the drain, the Masters and Servants of the Fourth Holy Grail War must scramble to deal with the unique replacement to Assassin, the Bald Hero for Fun and Profit, Saitama. Gilgamesh is NOT amused. Tokiomi needs to sit down. Kirei...is Kirei.T, English, Humor & Adventure, chapters: 3, words: 9k+, favs: 545, follows: 692, updated: 10/22 published: 2/3/2020, Kirei K., Gilgamesh, Arturia Pendragon, Saitama
456 Just a Hero of Justice » by Skrubchap
A different hero was born in that one fateful fire. Between the Magi, Monsters, and other crazy magical phenomenon, can a Hero of Justice (for a hobby) prevail against them all?T, English, chapters: 14, words: 84k+, favs: 848, follows: 1k+, updated: 8/3 published: 11/7/2021, Saitama
32
The Little Ruler (Rewritten) » by The Crescent Rider
As Saitama walked back to his apartment after defeating a monster with just one punch. He encounters a young girl lying on the streets. Rather than leave her there, he takes her back to his apartment and becomes his neighbor next door. How will she fare up with this life? Find out as she handles from Rampaging Monster to Eccentric Heroes. (Completed For Now)T, English, Mystery & Supernatural, chapters: 28, words: 78k+, favs: 195, follows: 214, updated: 10/13/2022 published: 3/27/2022, Saitama, Genos, OC
150 Broken Kaleidescope Punch! » by Nergal-D
The Kaleidescope is full of tales of heroism, that end with long, grueling, well-earned victories as fate demands it. So then... what of battles that end in one punch? The timeline diverges, with Alaya and Gaia unable to act as the world changes from one of mystics to one with magecraft and monsters. Heroes and monsters shall rise on both sides to save or destroy as fate demands.T, English, Supernatural & Adventure, chapters: 9, words: 45k+, favs: 223, follows: 297, updated: 6/21/2022 published: 2/26/2022, Shirō E., Ritsuka F., Saitama, Genos
55 Fate: Monster's Feel » by zhoujianto12
Illyasviel von Einzbern did manage to summon a Berserker, but this servant was painfully stubborn and loved to do things with its own way. Soon however, she would learn the reason behind its deviance and its extreme hatred towards other servants.T, English, Supernatural & Fantasy, chapters: 4, words: 15k+, favs: 210, follows: 248, updated: 4/25/2022 published: 11/22/2021
58 King: Humanity's Strongest Hero » by Gin Omikha
King. Humanity's Strongest Man. Known to all, loved by all, sung by all. But WE know that is not the case. Or IS it? Will the man with the strongest luck and misunderstanding have a chance to showcase his "Strength" to everyone? A chance encounter will decide what will happen next.T, English, Humor & Adventure, chapters: 8, words: 28k+, favs: 200, follows: 260, updated: 4/23/2021 published: 2/13/2021, King
44 Unlimited Fist Works! » by ServicePrivacy
What if instead of being rescued by Kiritsugu. Shirou was saved by a bald man who wore a heroic cape... Fate was an unexcepted thing. Archer thought to himself.T, English, chapters: 2, words: 1k+, favs: 183, follows: 244, updated: 11/3/2017 published: 2/5/2017, Shirō E., Arturia Pendragon, EMIYA, Saitama
6 Fate Absurd Tale by HelioBM
Rin summoned definitely not Shiro. And whole Holy Grail War become broken… Translated from Russian.K, English, words: 1k+, favs: 6, follows: 6, 9/23/2017
40 One Punch Grail » by Zephyroths
What if the Berserker Illya summoned was not a hero from Greek mythology but a man who became a hero as hobby. OP!ServantT, English, chapters: 4, words: 1k+, favs: 99, follows: 98, updated: 1/23/2016 published: 8/7/2015, Saitama
330 One Punch Shirou » by Sir Godot
[One-Shot] x [One-Shot] Shirou Emiya - an ordinary boy who wants to be a hero. And to be a hero, one needs to be strong enough to save the people in need. However, when you are literally strong enough to win every battle with one punch, you notice that it's not quite as grand as it sounds... Now with additional Servant Puncher version! [FSN x One Punch-Man Crossover]T, English, Humor & Parody, chapters: 2, words: 13k+, favs: 2k+, follows: 1k+, updated: 12/24/2015 published: 7/31/2013, Shirō E.
1 Hero of Grail War Challenge by Zephyroths
A Challenge of One Punch Man x FateT, English, words: 111, favs: 1, 12/5/2015, Saitama