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.

Being reborn as the female counterpart of Harry Potter was dangerous and anxious enough, she had not expected to learn that a second world was waiting for its hero. Even though she had been aware that her father was indeed, Poseidon, God of the Sea, she had hoped it was just a fluke or a dimension travel issue.

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

Two brothers of different fathers try to keep their worlds from colliding while two sisters of magic try to recover a stolen artifact. Can both groups succeed with the help of their friends?

Multiple Crossovers.

After losing everyone he knows to a surprise attack from a certain primordial of the earth they think they killed. You get a digital cookie if you guess right. Percy gets a chance to bring back everyone. Will he take it? And sacrifice someone else’s happy ending. Or will he leave it, and his friends stay dead. Or if he’s really that good at being a hero, save them all? Read on.

Being a demigod is hard enough already. Being a demi-primordial AND a demi-witch was even harder. Add a soulmate in the mix, and Esmeralda couldn't have had a harder life... But when you have Apollo as your soulmate, things can get tricky, to say the least. It was safe to say that Esmeralda Grey was in for an eventful life.

This is a story I Asked from AI to make, I basically asked artificial intelligence to create a story where Percy Jackson and Harry Potter meet and it did all the work, amazing! (By the way, the picture was also created by AI) In the end, a pretty nice plot came out, you are welcome to read and review.

Percy Jackson was bored, he thought he wanted normal but he was losing his mind in the normal world so one night, Hectate approached him with an invite to the world of Wizards and Witches. He Accepts. Now join Percy as he starts making waves in the wizarding world of Britan Percy enters during Goblet of Fire

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?

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.

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.

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.

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!

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)

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!***

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?

Sequel to High School War. Demigods go to Hogwarts. After BOO and during GOF