Assassin's Creed Crossovers
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Toyotomi's End: Winter by Bakumatsu-Assassin
After Ieyasu's triumph at Sekigahara, peace settles, but unrest brews. Yagi Toshimichi, an Assassin loyal to the shogunate, faces dual threats: Templars allied with Toyotomi remnants and a rising Youkai menace. As attacks grow, Toshimichi must unravel the supernatural mystery, thwart Templar plots, and protect Japan from both mortal and ethereal foes.
Crossover - Assassin's Creed & Touhou Project - Rated: K - English - Supernatural/Adventure - Chapters: 15 - Words: 28,071 - Favs: 1 - Follows: 1 - Updated: 12/27 - Published: 11/24
When God shuts the door (He opens one more) by HearthBear
"Forget it," Alex said again. He left the cherry stem alone and now was watching it sink inside the glass, just like the red-haired girl did yesterday. "You won't get out of here on your own, so you have no other option but to accept my offer. Surely, you won't get paid for the job done, but I'll do everything I can to keep you alive and find a way for you to leave Manhattan."
Crossover - Assassin's Creed & Prototype - Rated: M - English - Hurt/Comfort/Romance - Chapters: 9 - Words: 26,103 - Favs: 1 - Follows: 1 - Updated: 12/24 - Published: 3/2/2023 - [Desmond M., Alex M./Zeus]
AC RWBY by Kone5497 reviews
Industrial revolution is on full swing in world of Remnant. In the middle of this restless period of time, young girl named Ruby Rose is called into an adventure, she would never had thought possible.
Crossover - Assassin's Creed & RWBY - Rated: T - English - Drama/Adventure - Chapters: 7 - Words: 18,100 - Reviews: 1 - Favs: 14 - Follows: 21 - Updated: 12/21 - Published: 7/9/2023 - Ruby R., Weiss S., Ozpin, OC
Cloak of Crimson by StrangeMan12345 reviews
Ginny Weasley is just one part of a secret war between a an ancient Brotherhood of Assassins and the Templar Order. The Wizard World is about to become embroiled in this war as their Templars become more bold and known to the Assassins as it falls to Ginny to hunt them down.
Crossover - Harry Potter & Assassin's Creed - Rated: T - English - Adventure - Chapters: 6 - Words: 20,664 - Reviews: 1 - Favs: 4 - Follows: 5 - Updated: 11/26 - Published: 11/23/2023 - Hermione G., Ginny W., Luna L., Neville L. - Complete
Sam & The Eden by TheNamesBoost reviews
AU; Crossover between Assassin's Creed/Supernatural/Resident Evil; Samantha, ever the curious being, uncovers her mother's treasure and learns the truth behind her closely guarded secrets.
Crossover - Supernatural & Assassin's Creed - Rated: M - English - Adventure/Friendship - Chapters: 1 - Words: 14,071 - Reviews: 1 - Published: 11/24 - OC, Altaïr - Complete
A Hero's Creed: Brotherhood by SwordOfTheGods reviews
When Izuku is attacked by the sludge Villain, he is saved through death. When the killer offers him a chance at his dreams, he takes a step into the darkness. Maybe Fate brought him to the Brotherhood to make the world a better place and he will become a Hero, even if the process is a bloody one. Rated M for AC themes and character death. Current Arc: School Festival
Crossover - Assassin's Creed & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Suspense - Chapters: 66 - Words: 479,708 - Reviews: 604 - Favs: 685 - Follows: 739 - Updated: 11/24 - Published: 5/22/2022
True Mentor by ReaperOfBalance reviews
Naruto and Sasuke were having their fight at the Valley of the End and Naruto was winning, but someone decided to interfere and Naruto was taken from his world before being commissioned for a mission by 2 ancient beings. Naruto is to go to a new world and learn from two factions before coming home. Harem for Naruto, OP Naruto.
Crossover - Naruto & Assassin's Creed - Rated: M - English - Fantasy/Adventure - Chapters: 10 - Words: 121,716 - Reviews: 283 - Favs: 1,990 - Follows: 2,067 - Updated: 11/24 - Published: 8/22/2016 - Naruto U.
Harry Potter and the Lightning Blade by ReaperOfBalance reviews
Dumbledore had no idea what happened when Harry Potter disappeared years ago, but now that he's reappeared, he's got no idea what to do. Harry has shown up strong, confidant, capable, and not very forgiving or big on second chances. What's more, he's shown to be far smarter and knowledgeable than he should be. Dumbledore has no idea what he's in for, nor does the Wizarding World.
Crossover - Harry Potter & Assassin's Creed - Rated: M - English - Fantasy/Adventure - Chapters: 3 - Words: 47,207 - Reviews: 62 - Favs: 702 - Follows: 852 - Updated: 11/24 - Published: 6/27/2023 - Harry P.
Western Tide by Bakumatsu-Assassin reviews
In 1859 Japan, as foreign powers threaten its isolation, Assassin Léopold uncovers a Templar plot during the Ansei Purges. He must decide: save a tyrant or risk plunging the country into chaos.
Crossover - Assassin's Creed & Touhou Project - Rated: K - English - Drama/Adventure - Chapters: 27 - Words: 54,153 - Reviews: 11 - Favs: 2 - Follows: 2 - Updated: 11/23 - Published: 9/4 - Sekibanki, Kagerou I. - Complete
The ONI Offensive by MrChef99 reviews
A small killteam of Spartan 3's are approached by the assassin's brotherhood during an OP against insurrectionists and are told the truth about ONI, and their plot to continue the Human-Covenant war so that they can be led to more forerunner artifacts to unlock the true potential of the apple of Eden.
Crossover - Halo & Assassin's Creed - Rated: T - English - Sci-Fi/Mystery - Chapters: 3 - Words: 3,077 - Reviews: 2 - Favs: 2 - Follows: 4 - Updated: 11/22 - Published: 7/22/2023
Art of War: A Kitsune Under An Eagle's Wing by Stonehawk 2099 reviews
Naruto Uzumaki, the unsung hero of the leaf, is banished from the Leaf for the condition of the retrieval of Sasuke Uchiha. His chakra is sealed off and he is thrown out of the village. Traveling ways away from the village. Naruto soon finds an object of strange power that grants him untold knowledge of the Art Of War.
Crossover - Naruto & Assassin's Creed - Rated: M - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 6,627 - Reviews: 7 - Favs: 69 - Follows: 72 - Updated: 11/19 - Published: 10/22
Crossing Shadows by lost frequencies
The Hidden Ones encounter a mysterious traveller from Azeroth. Recognising an opportunity to expand their influence and forge new alliances, they appoint Basim Ibn Ishaq, a devoted disciple, as their representative.
Crossover - Assassin's Creed & Warcraft - Rated: M - English - Friendship/Romance - Chapters: 9 - Words: 73,000 - Favs: 9 - Follows: 10 - Updated: 11/15 - Published: 3/2 - Anduin Wrynn, Wrathion, OC, Basim
Ezio's Judgement by Bakumatsu-Assassin
Ezio Auditore stands before the Yama's court where Eiki Shiki delivers the final verdict.
Crossover - Assassin's Creed & Touhou Project - Rated: K - English - Tragedy/Angst - Chapters: 1 - Words: 4,085 - Favs: 4 - Follows: 2 - Published: 11/13 - Complete
Nothing Is True (Save For The Blood We've Shed) by HistoricalHijinks reviews
An Ancient Brotherhood and an Ancient Cult brought the world to destruction and Humanity to the edge of extinction, but some few yet lived, encased in two miles of rotating metal above their ashen homeworld. A century later this last refuge is dying...and one girl is willing to do whatever it takes to save it.
Crossover - Assassin's Creed & 100 - Rated: M - English - Romance/Sci-Fi - Chapters: 18 - Words: 88,554 - Reviews: 35 - Favs: 214 - Follows: 263 - Updated: 11/11 - Published: 7/21/2019 - [Clarke G., Octavia B., Raven R., Lexa]
The Hidden Blade: An Eminence's Ascent by The Eschaton reviews
Amidst a war of shadows between the Templars and a sinister cult intent on dominating the world through power and immortality, a young boy rises from despair to restore a forgotten brotherhood of assassins, all while navigating a web of deception and ancient precursor technology that might hold the key to humanity's survival.
Crossover - Eminence in Shadow/陰の実力者になりたくて & Assassin's Creed - Rated: M - English - Supernatural/Sci-Fi - Chapters: 1 - Words: 831 - Reviews: 1 - Favs: 6 - Follows: 8 - Published: 11/4 - [Alpha, OC]
The Eagle Savior - Rebirth by FictionMilitia reviews
Ezio died peacefully upon that bench. Only to be surprised that he was chosen to be the Savior of a World that is not his own. Ezio must now trek the lands of Eostia, encountering many challenges and obstacles that will test his limits and his Creed.
Crossover - Assassin's Creed & Kuroinu: Kedakaki Seijo wa Hakudaku ni Somaru - Rated: M - English - Adventure/Fantasy - Chapters: 3 - Words: 17,914 - Reviews: 19 - Favs: 168 - Follows: 239 - Updated: 10/28 - Published: 11/19/2023 - Ezio A.
Zootopian Creed: In The Spider's Web by Lunic Moon
Everything in Zootopia looks and feels normal, but not for Velvet. The Snow leopard hides a great secret: She's a rookie Assassin out to make a name for herself. Running from the police and getting into fights. Will she find her place in the Creed, or is she after something else?
Crossover - Assassin's Creed & Zootopia - Rated: M - English - Adventure/Crime - Chapters: 1 - Words: 1,948 - Published: 10/26 - Finnick, OC
At The Crossroads by Bakumatsu-Assassin
As Ezio sails back to Constantinople, he grapples with guilt over innocent lives lost due to his choices as an Assassin. Hecatia urges him to confront his past, emphasizing that wisdom comes at a cost. She challenges him to decide whether to continue as an Assassin or forge a new path, warning that the Masyaf Keys will reveal uncomfortable truths.
Crossover - Assassin's Creed & Touhou Project - Rated: K - English - Angst - Chapters: 1 - Words: 2,746 - Favs: 1 - Follows: 1 - Published: 10/22
The Assassin's Soprano by PhantomWriter098 reviews
After a tragic event, left a young Christine Daae reeling, she found solstice in training at the world-renowned Opera Populaire in Paris, France. But that didn't stop a young Christine from going after another part of her destiny. To become an Assassin for the Brotherhood.
Crossover - Assassin's Creed & Phantom of the Opera - Rated: M - English - Drama/Romance - Chapters: 10 - Words: 35,111 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 10/17 - Published: 3/19/2023 - [Christine, Erik] Connor K., Haytham K.
Konoha's Phantom by Mr. Blackberry reviews
Years after the attack on Konoha Naruto finds an old tomb that leads him to an old base of an old order. The Assassin's order. Watch as he is guided by his mother's mentor in the ways of an assassin. Rewrite of Phantom of Konoha.
Crossover - Naruto & Assassin's Creed - Rated: M - English - Adventure - Chapters: 7 - Words: 29,152 - Reviews: 35 - Favs: 297 - Follows: 359 - Updated: 10/13 - Published: 8/27/2022 - Naruto U.
You've won, Assholes by Bakumatsu-Assassin reviews
It's done and over with.
Crossover - Assassin's Creed & Touhou Project - Rated: K - English - Chapters: 1 - Words: 57 - Reviews: 7 - Published: 9/28 - Complete
The Creed by kiro10 reviews
Nothing is true, Everything is permitted. Jaune Arc wants to be a Hero. but that is a childs dream. what will his dream be as he grows?will it change? Will he fall to the dark? or will he work in the dark to serve the light. will he be what the world needs most? will his wont of reignition drive to to the spot light or will he be content to be the unsung hero of the people?
Crossover - Assassin's Creed & RWBY - Rated: M - English - Adventure/Drama - Chapters: 3 - Words: 6,690 - Reviews: 4 - Favs: 41 - Follows: 64 - Updated: 9/27 - Published: 11/9/2021 - Ruby R., Jaune A., Team RWBY, Team JNPR
Bladed Kaleidoscope (REWRITE) by Bakumatsu-Assassin reviews
In a modern conflict, Abstergo Industries captures Assassin descendants to exploit their genetic memories and unlock Gensokyo's secrets. Callum Lynch relives his ancestor's life, trapped in this struggle.
Crossover - Assassin's Creed & Touhou Project - Rated: K - English - Drama/Adventure - Chapters: 33 - Words: 80,577 - Reviews: 10 - Favs: 5 - Follows: 8 - Updated: 9/19 - Published: 2/23 - Ran Y., Suika I., Yukari Y., Momiji I. - Complete
Hadrian Auditore by TheFallen1617 reviews
Alternate Dimension Fic. Hadrian Auditore died too early. He was sent to another dimension, his own being destroyed by a Voldemort possessing a piece of Eden. Hadrian is sent to the mostly cannon universe of "Harry Potter" starting with the Goblet of Fire. Hadrian x Daphne, Harry x Hermione. Attempting to edit/update this story, it is not dead.
Crossover - Harry Potter & Assassin's Creed - Rated: M - English - Adventure - Chapters: 3 - Words: 10,931 - Reviews: 17 - Favs: 140 - Follows: 174 - Updated: 9/13 - Published: 10/22/2018
The flap of Butterfly wings by EmpressOfTheSun reviews
Once upon a time, Hiccup had a best friend and Toothless a mate. But through his decision to pick Berk and Astrid over them, they lost the girls. In one world Hiccup and Leandra lived their lives away from each other...yet destiny is a funny thing. Full Summary Inside.
Crossover - Assassin's Creed & How to Train Your Dragon - Rated: M - English - Adventure/Romance - Chapters: 3 - Words: 9,008 - Reviews: 1 - Favs: 7 - Follows: 8 - Updated: 9/6 - Published: 9/1 - [Hiccup, OC] Altaïr, Toothless
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