Percy Jackson and the Olympians Crossovers
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The Knights of Hogwarts by KnightofSparta reviews
Chaos is brewing in the wizarding world. Thalia, Percy and Nico are sent to Hogwarts - where Harry and his friends are re-studying their 7th year - to fulfill a prophecy. But suspicion and trouble soon arises, and will the demigods manage to keep their world a secret as well as prevail over the rising supreme primordial power of the uttermost evil?
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: K - English - Adventure/Fantasy - Chapters: 2 - Words: 2,680 - Reviews: 4 - Favs: 6 - Follows: 11 - Updated: 4/8 - Published: 3/28
Children of Chaos by Blackace12 reviews
Chaos itself takes many forms that represent human subconsciousness and nothing stops it from taking more than one form or separating into multiple forms if it chooses. This is the leaks that affect reality in the realm of gods and titans in the form of children.
Crossover - Warhammer & Percy Jackson and the Olympians - Rated: M - English - Adventure/Fantasy - Chapters: 3 - Words: 13,117 - Reviews: 21 - Favs: 32 - Follows: 46 - Updated: 4/8 - Published: 2/24 - OC, Percy J.
El registro de un observador by Ran Kuroshiro
Una mirada a la vida de una chica mágica desde la perspectiva de un hijo de Hades.
Crossover - Percy Jackson and the Olympians & Puella Magi Madoka Magica/魔法少女まどか★マギカ - Rated: T - Spanish - Angst - Chapters: 1 - Words: 5,454 - Published: 4/7 - Nico A., Sayaka M., Hitomi S. - Complete
LA SEMIDIOSA KUNOICHI by Queteimporta55
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Crossover - Naruto & Percy Jackson and the Olympians - Rated: K - Spanish - Chapters: 3 - Words: 5,688 - Favs: 1 - Follows: 2 - Updated: 4/7 - Published: 3/29
In Our Nightmares by basketballandbooks08 reviews
Percy and Bucky are doing their best to navigate the impending war; they've seen things from their worst nightmares that they wouldn't wish on their enemies. When they begin to reconsider, will they realize where their loyalties lie as sides are starting to be taken?
Crossover - Percy Jackson and the Olympians & Avengers - Rated: T - English - Angst/Friendship - Chapters: 4 - Words: 13,043 - Reviews: 1 - Favs: 4 - Follows: 4 - Updated: 4/7 - Published: 3/5 - Percy J., Jason G., Captain America/Steve R., Bucky Barnes/Winter Soldier
Child of the Huntress Master of Heroes by Weirdo03 reviews
An anomaly. An unexpected entity. That's what he was. He didn't like what was happening in the world. So he sets out to change it. His birth mother didn't want him but that's fine. The one that raised him. That's who he consideres his mother. And with the heroes of every age at his side as his allies, he has nothing to fear. I only own my OC's.
Crossover - Percy Jackson and the Olympians & Fate/Grand Order - Rated: M - English - Chapters: 7 - Words: 85,968 - Reviews: 90 - Favs: 410 - Follows: 518 - Updated: 4/6 - Published: 1/2/2021 - Artemis, OC
Keeper of the Lost Cities: Hurricane by ATOTALMUSICALNERD reviews
After a tragedy during an inter-camp summit, Percy is transported to a strange new world by a crystal. When a strange boy with black hair and blue-green eyes light leaps to a Black Swan hideout, Sophie thinks he's an elf. She and her friends help him realize what he is, and he helps them get Keefe back. But the final battle with the Neverseen is coming, and it won't be easy.
Crossover - Percy Jackson and the Olympians & Keeper of the Lost Cities - Rated: T - English - Chapters: 21 - Words: 31,385 - Reviews: 5 - Favs: 10 - Follows: 10 - Updated: 4/6 - Published: 3/6 - Annabeth C., Percy J., Sophie F., Keefe S. - Complete
De Anno Luctus by silverbird6 reviews
For once, Percy's live isn't a Greek tragedy because of his godly relatives. No, this time it was aliens. In a world where superheroes and demigods coexist, the gods are not as all-knowing as they might think, and demigods and mortals alike must rise to the challenges of a new, more dangerous world. Part 1: "Of Gods and Men" series
Crossover - Percy Jackson and the Olympians & Avengers - Rated: K+ - English - Family/Hurt/Comfort - Chapters: 4 - Words: 44,138 - Reviews: 34 - Favs: 133 - Follows: 190 - Updated: 4/6 - Published: 5/10/2021 - Nico A., Percy J., Reyna R., Hazel L.
Pein Of Olympus by animewatcher202 reviews
Nagato's eyes closed as the Legendary Totska blade sealed him away from the Elemental Nations, only for his eyes to open in a wierd clearing.
Crossover - Naruto & Percy Jackson and the Olympians - Rated: T - English - Chapters: 9 - Words: 20,033 - Reviews: 14 - Favs: 38 - Follows: 56 - Updated: 4/6 - Published: 2/11 - Konan, Nagato U.
Marvel Presents: Percy Jackson, the Sub-Mariner by DeusExMacchina21 reviews
"And you'd be surprised to know that you're not the only with these types of gifts." Percy shrugged. "I know that." "So then tell me. How did Percy Jackson get to where he is right now?" "It's a bit of a long story." In which Percy Jackson is part of the Marvel Cinematic Universe. Takes place throughout the whole saga. Also on AO3.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: T - English - Adventure/Humor - Chapters: 32 - Words: 63,718 - Reviews: 107 - Favs: 253 - Follows: 346 - Updated: 4/5 - Published: 12/16/2021 - Percy J., Triton, Iron Man/Tony S., Wanda M./Scarlet Witch
The Cost Of Freedom by OrionB15 reviews
Percy swears on the River Styx to return to Calypso when he wins the war, and Zeus was happy to grant the son of Poseidon the wish of exile after the events of the Last Olympian. Now with the threat of the Norse Pantheon and a new prophecy predicting the fall of the Mist, Olympus calls for its greatest hero. Set during the first Avengers Movie. PercyXCalypso.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: T - English - Romance/Adventure - Chapters: 16 - Words: 61,574 - Reviews: 223 - Favs: 1,157 - Follows: 1,509 - Updated: 4/5 - Published: 8/18/2021 - [Calypso, Percy J.] Captain America/Steve R., Iron Man/Tony S.
Darth Oceanus by Raven's Arrow
Hell does a lot to people. It can change their view of the world. It can wipe their mind. In the end, no one, comes out alive. But if one does somehow make it out alive, how would others react.
Crossover - Star Wars & Percy Jackson and the Olympians - Rated: T - English - Horror/Sci-Fi - Chapters: 4 - Words: 1,272 - Favs: 5 - Follows: 7 - Updated: 4/4 - Published: 3/11 - E. Palpatine, Nico A., Percy J.
That We Face But Cannot See by GoldenFinch01 reviews
In which Jason recollects what happens when Percy, his best friend, Hero of Olympus who is dealing with the horrific aftermath of Tartarus, encounters a boggart. Set Post HoO and Pre-Hogwarts OotP
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 2 - Words: 4,155 - Reviews: 21 - Favs: 48 - Follows: 44 - Updated: 4/4 - Published: 3/11/2019
Voidwalker by DelayedInspiration reviews
Sally had an interesting life. Beloved daughter, then orphan, then witch, then vagabond tasked by Delilah Copperspoon to destroy the Kaldwin family. Bereft of her powers, Sally's plan is to create the ultimate weapon. What she didn't expect was to find love in a man from another world.
Crossover - Percy Jackson and the Olympians & Dishonored - Rated: M - English - Supernatural/Adventure - Chapters: 13 - Words: 103,450 - Reviews: 179 - Favs: 208 - Follows: 224 - Updated: 4/4 - Published: 6/13/2021 - Percy J., Sally J., Delilah C.
A Momentous Mystery by GameXpert64
A momentous occasion,two worlds colliding. All of it halted by a tragic attack. Can Angelo find out who did it?
Crossover - Super Smash Brothers & Percy Jackson and the Olympians - Rated: T - English - Mystery - Chapters: 5 - Words: 13,693 - Favs: 1 - Updated: 4/4 - Published: 3/31 - Mewtwo, OC, Annabeth C., Nico A. - Complete
The Demigod's Guide to Hogwarts by Bugler reviews
Nico was sent to Hogwarts to protect Harry Potter. It should have been easy. But why is Harry's life so full of danger?
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Adventure/Drama - Chapters: 11 - Words: 28,472 - Reviews: 3 - Favs: 16 - Follows: 29 - Updated: 4/3 - Published: 3/26 - Harry P., Ron W., Hermione G., Nico A.
Shadow (Percy Jackson-Throne of Glass-ACOTAR) by Aelin-Annabeth1682 reviews
Sequel to Darkness: A vast, ancient evil has been awoken and only if the three groups from completely different lands can form an alliance, they will be able to stop it. But you know how Fae are; they're Territorial Bastards. And you know how gods are; they're Hot Headed Idiots. And, well Illyrians are complaining babies with very protective personalities.
Crossover - Percy Jackson and the Olympians & Throne of Glass series - Rated: K+ - English - Fantasy/Drama - Chapters: 11 - Words: 6,388 - Reviews: 2 - Favs: 12 - Follows: 17 - Updated: 4/3 - Published: 1/26/2019
PJ'S reacciona a su Ragnarok by TigerSnow00 reviews
La gran junta reclama la presencia de las cuatro entidades que administran sus respectivos universos con el objetivo de elegir a uno de los administradores para el reinicio de los universos bajo su jurisdicción. Después de un acontecimiento, los dioses y semidioses se verán obligados a ver el mayor torneo entre hombre y dioses. Si los dioses ganan, todo se reiniciara.
Crossover - Percy Jackson and the Olympians & Record of Ragnarok/終末のワルキューレ - Rated: T - Spanish - Fantasy/Adventure - Chapters: 2 - Words: 17,100 - Reviews: 17 - Favs: 31 - Follows: 36 - Updated: 4/3 - Published: 12/13/2021
A Fallen Star by ImpossibleLaughs reviews
A boy that can control water has fallen from the sky and landed in Hell's Kitchen. Luckily, Phil Coulson and the new SHIELD have moved in to intercept the supposed Inhuman/mutant before any more damage is done. Upon capture, they discover a world hidden beneath their noses and a war building that could end humanity. (Percy Jackson, Avengers, Agents of SHIELD, Marvel)
Crossover - Percy Jackson and the Olympians & Agents of S.H.I.E.L.D. - Rated: T - English - Adventure - Chapters: 7 - Words: 22,472 - Reviews: 64 - Favs: 203 - Follows: 268 - Updated: 4/3 - Published: 8/24/2016 - Percy J., P. Coulson, Skye/Daisy J.
When Cosmos Clash by Ardoa88 reviews
(Sequel to BHC) A god is dead! The news comes as a shock to our heroes only to be followed up by the revelation that Rachel Dare has issued a new prophecy: one that could lead to the demise of the gods- all of them. It's a race against time itself to find the one responsible and stop them before the world literally becomes godless.
Crossover - Percy Jackson and the Olympians & Kane Chronicles - Rated: T - English - Adventure/Fantasy - Chapters: 4 - Words: 22,288 - Reviews: 13 - Favs: 28 - Follows: 35 - Updated: 4/3 - Published: 5/30/2021 - Annabeth C., Percy J., Carter K., Sadie K.
Fatespeaker and Hazel's Saturday night game showmadness by Sky the snail fantic reviews
What happens when you get characters from various books together and challenge them to compete in a gameshow? Madness. Witness things that has never happened before in the history of books and stuff that probably has happened but is still funny. Get ready for... BOOK VS BOOK!
Crossover - Percy Jackson and the Olympians & Wings of Fire, Tui T. Sutherland - Rated: K - English - Humor/Drama - Chapters: 3 - Words: 2,428 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 4/3 - Published: 2/24 - Percy J., Hazel L., Glory, Fatespeaker
Divine Deeds Done Dirt Cheap by Beowulf Gudbrytare reviews
During the Titan's Curse. Cyrus Khan was just a normal guy, more or less. That is, until he died and met Jesus. Given a second chance at life and a weapon from the Saint himself and thrown into a world of Gods and monsters, how will Cyrus survive? Why, by committing Atrocious Acts at Affordable Prices of course! Lets hope that 'Gravity' doesn't get involved to worsen it...OC/Thalia
Crossover - Percy Jackson and the Olympians & JoJo's Bizarre Adventure - Rated: M - English - Adventure/Romance - Chapters: 27 - Words: 160,560 - Reviews: 102 - Favs: 190 - Follows: 203 - Updated: 4/3 - Published: 8/5/2021 - OC, Funny Valentine
Growing Impatient by inspiredplainoljill reviews
One-shot idea: class cards fell through the cracks of the Riordanverse. How will this affect the trajectory of our heroes' stories?
Crossover - Percy Jackson and the Olympians & Fate/stay night - Rated: T - English - Chapters: 1 - Words: 3,588 - Reviews: 2 - Favs: 21 - Follows: 25 - Published: 4/2
digital demigod by thunderofdeath97 reviews
a woman being chased by a dragon lady through the city, protecting a boy, sees a portal jumps in. primary village? what is that, and where is that more importantly, and perhaps the most important, what in the name of the gods, are digimon?
Crossover - Digimon & Percy Jackson and the Olympians - Rated: M - English - Adventure - Chapters: 8 - Words: 15,715 - Reviews: 17 - Favs: 36 - Follows: 45 - Updated: 4/2 - Published: 9/3/2020 - Percy J.
The Investigation by Mythos' MnMs reviews
Will Gibbs Find Percy
Crossover - Percy Jackson and the Olympians & NCIS - Rated: K+ - English - Mystery - Chapters: 4 - Words: 740 - Reviews: 4 - Favs: 9 - Follows: 10 - Updated: 4/2 - Published: 6/4/2021
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