Saiph was bored, so bored that she woke up in a different reality where she went to Hogwarts school of witchcraft and wizardry. She soon finds that things can and will divert from canon so now she has to be sure of her every action. That's harder than it seems though when there are mysteries about her life to be uncovered at every turn. Percy Jackson x OC

After the events of TLO. Percy is tasked to help save the world again by befriending a society of wizards kept secret to the Greek World. Join Percy as he struggles with false accusations and devastating news about what is going on back at camp while he is away. Will Percy abandon his quest for a bigger purpose?

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...

Percy has to go on a quest... a quest to defeat a monster at a school called hodwarts.

The flaming wizard falling form the sky leaves the new Olympians confused at best. His ramblings about some dark wizard returned from the dead and the wizarding world in Chaos don't exactly help matters. But will they be able to figure themselves out in time to face the biggest threat yet? Sequel to the new immortals. Harry Potter X Percy Jackson. Full summary in chapter one.

A fog shrouds the entire world, increasing monster attacks and making life difficult for Percy. When Annabeth receives a message for Magnus asking for help, Percy, Annabeth, Leo and Nico head to Britain to investigate the fog...without a prophecy to guide them. The four demigods must now enter the school of Hogwarts and find their prophecy if they are to complete their quest.

This is a story which PJ and HP are combined, hope you guys like it! I DON NOT OWN ANY OF THE CHARACTERS! Please review, thanks.

Perseus Jackson is named Destroyer by all magical beings for her achievements during her teenage years. Mother of three children. Protector, surviror, hero. She is going to storm the world. Cross-posted on Archive of our own.

Percy descubre que en su familia a existido la magia descubriendo que su vida estara marcada no solo por los dioses

Alessandra Di Angelo was a soldier. Her life had been one grueling fight after the next and her seventh year of Hogwarts was no different. Years devoted to the legion, months spent training Dumbledore's army, and one final battle to set the wizarding war right. But even after victory, Alessa has a final mission: return to 1944 and stop Voldemort from ever existing.(TMR/oc slowburn)

Some demigods go to Hogwarts to participate in the Triwizard tournament. Set in the goblet of fire and after blood of Olympus.

When Lady Hecate comes to a young Demi-God with a quest to protect the Boy-Who-Lived. He shall accept it and help the Wizarding world from falling into the hands of Voldemort, while still living the life of your average Demi-God can be tough. Demi-God! Draco Malfoy Slight Dumbledore bashing! BAMF! Demi-Gods Lucius and Narcissa Malfoy bashing!

Aurora is the daughter of Hecate, as a little girl, she lived next Harry in England, she was sent away to Camp Half Blood for her own safety, little did both Harry and Aurora know, their paths would cross once more when the teenage demi-goddess was given a Quest: First protect the Boy Who Lived, and second bring back Hecate's worship to the Wizarding World.

what if Harry fails in defeating Voldemort and dies during the Tri-wizard tournament due to arrogance. Hecate freezes the HP universe in a time capsule for a long time, waiting for a new hero to arrive and rescue it and is all but forgotten. Percy finally becomes the newest olympian, Hecate asks for a favour(a big one). This is the story of percy navigating wizard world

Young Delia Potter has always been called a freak, but she never understood why. One day, after an outburst from her uncle, she came to understand. Follow Delia's adventures as she tries to wrap her head around what exactly her life is becoming, and learns how to deal with more than one hidden world. Time-travel AU, fem Harry, F/F

Harry is fed up with the attitude of the Wizarding world. Ginny has an unhealthy obsession with him. Ron and Hermione have settled down, possibly going to marry in future. Nothing to do, Harry leaves for the US. But he's never going to expect the American Wizarding World to attack a bunch of Demigods. Watch as Harry rises with our favorite Percy Jackson to oppose Alabaster.

Percy, Annabeth, and friends embark on a lengthy journey through multiple worlds, mainly their own and that of Harry Potter, but also including Maximum Ride and 39 Clues.

The Golden Trio go back for another year at Hogwarts. A time to focus on their studies, or so they think. Introducing, five mysterious strangers with absolutely no memory of, well, anything! Dramione, Blinny, Percabeth, SolAngelo, and more!

The second book in the Daughters of Darkness series, this starts where Daughters of Darkness left off and features OCs Clara Bradley and Renee Sanderson navigate life as demigods and witches. Set during canon Harry Potter and Percy Jackson series. K plus for minor language. If you didn't read Daughters, I would appreciate if you go back and read that one first.

When one mixes Godly child camps, and combines an unknown society of magic much like the gods, you get Nico Di Angelo, the demi-god kid with a witch for a mother. She'd passed long before Nico could learn about his magical heritage and was raised under the care of his father, Hades. He had a hard life due to his lineage, so when he learns the truth he's quick to go learn more.

Lily makes a desperate deal with the rulers of the underworld to save her husband. In return for bearing them a demigod child James life will be spared. Things go a little pear shaped when a dark lord decides to get involved. How will the boy who lived grow under the loving gaze of two Greek Gods? Who knows, the heavens just might tremble. (Harry x Clarisse x?x?x?)(Very Grey Harry)

The idea of gods had been long extinct in the Wizarding World, being nothing but a remnant of the old religion, demigods had the same thought about witches, thinking them nothing but a fantasy. It only takes a witch entering Camp Half-Blood to tear that worldview down.

PJOxHP, Fem!Draco, Fem!Harry, Drarry, Good!Tom, Bad!dumbledore, Dumblesbashing, Weaselybashing except for Gred, Forge, and Ginny. The twins are in slytherin and so is Ginny. (I SUCK AT SUMMERIES) ***Warning, CuSsInG/pRoFaNiTy, GAY ASS SHIT, blood, gore, etc. Also Leo came back early, bc he's an amaZHANG character and this book needs him!***

After Jason's death Percy is approached by the Kanes who carry a message from Olympus. When they arrive they find out that an enemy of Olympus has escaped into another realm. This one filled with witches and wizards. Read along and watch as Percy comes to grips with Jason's death, Harry explores his full potential, and Voldemort becomes even more powerful. AU, 3-way crossover.

Percy Jackson is not a demigod in this one. Born into the Harry Potter Universe unknowingly apart of the magical world, and far more important than he would ever expect. Can Percy manage to survive the coming war, or even his magical classes?