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Assassin's Creed: Transcendence
by DelayedInspiration reviews
Kronos amasses enough power early on to send an infant Percy back in time. Finding this development unsuitable, the Fates interfere, and only the soul of Perseus is sent back, while his body remains in the present occupied by a fake soul. Now, what is Percy doing in the past as he works his way back to the present? Eradicating the Templar Order, of course.
Crossover - Percy Jackson and the Olympians & Assassin's Creed - Rated: M - English - Adventure/Spiritual - Chapters: 78 - Words: 440,022 - Reviews: 2573 - Favs: 2,090 - Follows: 2,130 - Updated: 5/17 - Published: 3/3/2017
Harry Potter, Squatter
by Enterprise1701-d reviews
Based on a challenge by Gabriel Herrol. A young Harry Potter is abandoned in new York by the Dursleys. He finds his way onto Olympus and starts squatting in an abandoned temple...
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Adventure - Chapters: 58 - Words: 520,791 - Reviews: 10744 - Favs: 17,495 - Follows: 19,930 - Updated: 5/8 - Published: 5/1/2019 - Harry P., Hestia
Cupboards and Cryogenics
by Yodeling Prospector reviews
When HYDRA sends The Winter Soldier to bring them the four-year-old Boy Who Lived, the outcome is not what they expected.
Crossover - Harry Potter & Avengers - Rated: T - English - Drama - Chapters: 58 - Words: 181,126 - Reviews: 2039 - Favs: 4,200 - Follows: 5,467 - Updated: 4/18 - Published: 4/18/2017 - Harry P., Bucky Barnes/Winter Soldier
Naruto: The Avengers
by Daemon0Angelo reviews
Naruto left the Elemental nations and wound up in a world where flying metal man, magic, and gods exist. Jiongu, seal master, RinneTenseiSharingan. Extremely AU. Naruto!OP NarutoxHarem. 2000-2500 words per chapter. discord xAyvMcrg6R.
Crossover - Avengers & Naruto - Rated: M - English - Adventure/Romance - Chapters: 97 - Words: 270,737 - Reviews: 4703 - Favs: 7,804 - Follows: 8,616 - Updated: 3/22 - Published: 6/30/2020 - [Naruto U., Black Widow/Natasha R.]
by Chaos65 reviews
Harry always knew that his luck might not be the best. But to be sent to another world so Death could have more entertainment from his life? Just lovely... Oh well, he might as well use this chance to live this new life of his by his rules.
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Adventure/Fantasy - Chapters: 22 - Words: 122,614 - Reviews: 983 - Favs: 4,101 - Follows: 5,294 - Updated: 3/2 - Published: 11/14/2019 - Harry P.
by JustBored21 reviews
Harry Potter, Master of Death and wizard, finds himself in the Marvel universe. The story of a man broken by war, being reborn as the hero he truly is. Eventually multi-pairing.
Crossover - Harry Potter & Avengers - Rated: M - English - Adventure/Romance - Chapters: 78 - Words: 273,460 - Reviews: 4995 - Favs: 9,528 - Follows: 10,970 - Updated: 2/10 - Published: 6/21/2020 - [Harry P., Black Widow/Natasha R.] - Complete
Naruto the Quirky Villain
by fairy tail dragon slayer reviews
Not all villains are evil, some are... just Quirky.
Crossover - Naruto & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Romance/Humor - Chapters: 46 - Words: 163,581 - Reviews: 5159 - Favs: 6,978 - Follows: 7,550 - Updated: 11/5/2021 - Published: 3/31/2019 - Naruto U.
by DesertChocolate reviews
A man from our world is dropped into the Marvel Cinematic Universe with nothing but a watch on his wrist to make a life with. Luckily, it's one hell of a cool watch. Now if only he'd gotten the manual... Also posting on RoyalRoad
Crossover - Marvel & Ben 10 - Rated: M - English - Adventure/Sci-Fi - Chapters: 145 - Words: 761,558 - Reviews: 3073 - Favs: 4,093 - Follows: 4,036 - Updated: 8/31/2021 - Published: 7/3/2018
The Shadow of Angmar
by Steelbadger reviews
The Master of Death is a dangerous title; many would claim to hold a position greater than Death. Harry is pulled to Middle-earth by the Witch King of Angmar in an attempt to bring Morgoth back to Arda. A year later Angmar falls and Harry is freed. What will he do with the eternity granted to him? Story begins 1000 years before LotR. Eventual major canon divergence.
Crossover - Harry Potter & Lord of the Rings - Rated: T - English - Adventure - Chapters: 37 - Words: 237,383 - Reviews: 6436 - Favs: 14,641 - Follows: 17,235 - Updated: 6/8/2021 - Published: 3/15/2015 - Harry P.
The Difference One Man Can Make
by joen1801 reviews
After the Battle of Hogwarts, Harry Potter decided to travel the world. Twelve years later when a new threat attempts to destroy the progress made in Britain he returns home to deal with the situation. During the fight that puts down the small group of upstarts Harry finds himself in a world of ice and fire
Crossover - Harry Potter & Game of Thrones - Rated: M - English - Adventure - Chapters: 21 - Words: 277,350 - Reviews: 5199 - Favs: 14,550 - Follows: 16,178 - Updated: 2/27/2021 - Published: 3/22/2015
Magical Creatures Will Get Me Killed (Again)
by Anubis Enfield reviews
I'd spent seventeen years in my past life as a veterinarian and now, as they say, I was a wizard. Or, well, I would be if I could use magic without possibly dying. Oh, and let's not forget how my fondness of animals was about to get me into a load of trouble. "W-Why'd you just stand there!" "It was a three-headed dog." "He tried to eat us!" "...H-He was cute..."
Harry Potter - Rated: T - English - Hurt/Comfort/Fantasy - Chapters: 49 - Words: 361,321 - Reviews: 760 - Favs: 2,105 - Follows: 1,968 - Updated: 11/14/2020 - Published: 7/10/2020 - [Hermione G., OC] Harry P., Ron W. - Complete
Son of Athena
by Shinigami2530 reviews
When Lily and James Potter asked a goddess to grant them a child, they had no idea that their simple wish would have so many consequences, especially when that child is raised by a legendary witch long thought dead. Genius!Strong!Independent!Harry. Pairing: Harry/Silena. Rated mostly for language. Being rewritten. Rewrite is up.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: M - English - Adventure/Romance - Chapters: 26 - Words: 139,283 - Reviews: 931 - Favs: 4,750 - Follows: 5,317 - Updated: 4/2/2020 - Published: 8/11/2015 - [Harry P., Silena B.] Rowena R. - Complete
by Stargon1 reviews
After five years travelling the world, Harry Potter has landed in New York. He figures that there's no better place than the city that never sleeps to settle in and forge a new life. If only the heroes, villains, aliens and spies had received the message. Begins just before the Avengers movie and continues through the MCU. Encompasses MCU movies & TV, some others along the way.
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure - Chapters: 128 - Words: 603,414 - Reviews: 10332 - Favs: 16,411 - Follows: 16,787 - Updated: 2/5/2020 - Published: 1/4/2017 - Harry P. - Complete
Itachi, Is That A Baby?
by SpoonandJohn reviews
Petunia performs a bit of accidental magic. It says something about her parenting that Uchiha Itachi is considered a better prospect for raising a child. Young Hari is raised by one of the most infamous nukenin of all time and a cadre of "Uncles" whose cumulative effect is very . . . prominent. And someone had the bright idea to bring him back to England. Merlin help them all.
Crossover - Harry Potter & Naruto - Rated: M - English - Humor/Adventure - Chapters: 102 - Words: 314,960 - Reviews: 8192 - Favs: 12,085 - Follows: 12,425 - Updated: 1/21/2020 - Published: 11/25/2015 - Harry P., Albus D., Itachi U.
The Havoc side of the Force
by Tsu Doh Nimh reviews
I have a singularly impressive talent for messing up the plans of very powerful people - both good and evil. Somehow, I'm always just in the right place at exactly the wrong time. What can I say? It's a gift.
Crossover - Star Wars & Harry Potter - Rated: T - English - Fantasy/Mystery - Chapters: 24 - Words: 207,600 - Reviews: 7639 - Favs: 17,774 - Follows: 19,920 - Updated: 8/24/2019 - Published: 9/6/2012 - Anakin Skywalker, Harry P.
Fates Be Changed
by The Homing Pigeon reviews
An orphan and an outcast, living two lives that should never have intercepted. However what could happen if a nudge forces these worlds to collide? With a new name and a new father will the Boy-Who-Lived accept what Fate marked him for? A Bruce Banner/Harry Potter father/son relationship. Skip to Chapter 13 for the start of the Avengers.
Crossover - Harry Potter & Avengers - Rated: T - English - Family - Chapters: 69 - Words: 349,121 - Reviews: 3584 - Favs: 9,206 - Follows: 8,127 - Updated: 7/14/2017 - Published: 7/22/2015 - Harry P., Hulk/Bruce B. - Complete
Serpents and Celestial Bronze
by Levity Lirum reviews
He was only twelve, going on thirteen. And shouldn't Madame Pomfrey been able to detect this and stop it while he'd been in the hospital wing? Because seriously? This? This thing right here? It had to have been something to do with the Basilisk having bitten him. A whole new spin on the Snake!Harry Genre with some Ancestor! thrown in.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Chapters: 12 - Words: 35,379 - Reviews: 1571 - Favs: 7,371 - Follows: 7,752 - Updated: 3/20/2017 - Published: 8/23/2014
Wand and Shield
by Morta's Priest reviews
The world is breaking. War and technology push on the edge of the unbelievable as S.H.I.E.L.D. desperately tries to keep the peace. Soldier and scientist no longer hold the line alone, as an ancient fire burns alongside them. The last of all wizards.
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure/Supernatural - Chapters: 33 - Words: 260,787 - Reviews: 7495 - Favs: 15,679 - Follows: 17,230 - Updated: 7/22/2015 - Published: 6/2/2012 - Harry P.
by prion reviews
Post Avengers/ Sequel to Cognosco. Tony just wanted to one-up his buddy Loki. He never thought his experimentation on teleportation would pull some boy from a different universe into his lab basement. Harry's "first" day there is plain horrible: a botched CPR, parachuting without a parachute, and then his wand breaks. Merlin, he was only a researcher! Ch20: Push and Pull
Crossover - Harry Potter & Avengers - Rated: T - English - Adventure/Sci-Fi - Chapters: 20 - Words: 116,205 - Reviews: 582 - Favs: 1,482 - Follows: 2,240 - Updated: 2/20/2015 - Published: 8/19/2012 - Harry P.
by Lupine Horror reviews
When Zelretch conducts an experiment and the being known to all as Fate intervenes Harry Potter's life is changed irrevocably. Now being raised by those who don't fit the definition of 'Normal' it is a very different Harry that is unleashed on the world. Or is it worlds? Disclaimer: This is fan fiction, I only own the plot.
Crossover - Harry Potter & Fate/stay night - Rated: M - English - Fantasy/Family - Chapters: 88 - Words: 927,883 - Reviews: 5466 - Favs: 6,311 - Follows: 4,261 - Updated: 9/15/2014 - Published: 8/11/2013 - Harry P., Rider - Complete
Harry Potter and the Hidden Truth
by KingFatMan25 reviews
With Lord Voldemort on the rise, the Wizarding world turns to their only hope...Michael Potter? While the 'Boy Who Lived' takes in the fame, his long forgotten twin brother has become more then the world could have imagined.
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 34 - Words: 142,004 - Reviews: 1894 - Favs: 7,012 - Follows: 4,105 - Updated: 7/6/2014 - Published: 12/31/2010 - Harry P. - Complete