In the war against Voldemort, Dumbledore asks his old friend to send some help. But, the Wizards must first learn about the other world to defeat Voldemort.

Harry Potter was a wizard but he was also a demigod but not just any demigod he is the son of the Norse god Loki. how will both the Wizarding world and the Greek and Roman world react to a demigod whose father wiped out his own kin? Prepare Harry has been in danger for the last time! The return of the Jotun is here ! Evil/dark harry

When Percy woke up on Tuesday morning he didn't expect for Hera to have given him a quest. Percy then felt very grateful Annabeth had gotten him into the Harry Potter books.

For years they were branded as killers and criminals. They were imprisoned, killed, and tortured in fear of revealing a dark secret; but now it was finally time to take matters into their own hands and show the Wizarding World the truth. A certain Death Eater now ventures forward with one goal and that is to win. PJO x Harry Potter Crossover / AU

Perséfone y Hades hablaron, de sus problemas matrimoniales, justo cuando dos mortales, les llamaron la atención. El como los dioses, no sintieron el despertar de Gaia, era algo que desconocieron, pero definitivamente, su hija asistiría al Campamento Olímpico, y no podrían hacer nada, para evitarlo. Fem-Harry, hija de Perséfone y Lily. Fem-Percy, hija de Gaia/Deméter y Sally.

Canon ships include Theyna and Frazeleo regular ships. Might add Kc and/or MCGA later

Chiron gives a mission to three demigods. They must go to Hogwarts to complete a task. There they meet the golden trio. Will they learn to join forces to face a rising enemy?

You know how it goes. Twelve districts. Two tributes. Blah, blah, blah. The people of the capitol were getting bored of the Hunger Games, and the gamemakers knew that they had to do something different. Something fabulous. This game, the districts were not districts, but fandoms. Read about favorite characters from 12 fandoms as they battle to the death!

In another world, Sally was Lily and Petunia's cousin. In another world, when her parents died, she was raised by the Evans. In that world, Harry Potter and Percy Jackson are raised alongside each other.

Harry never expected to see his mother in life, nor did he expect her to solve so many of his problems... Yet that is what happened. How she was alive was a mystery, one she explained with an understanding that he could never explain to another. A new fate opened before him, finally freedom was in his grasp... and he could not wait to grap it. Even as he prepared for war.

So Percy and gang get a new member and go to Hogwarts, and Harry thinks their Death Eaters and is suspicious of the insane-ish 15-year-old girl. Rated T to be safe. The cover is made by Fluff-n-Puff, check out their account on Wattpad!

Warriors from across the multiverses are gathered in a contest to see who will rise, and who will fall. Crossover of MCU, DC comics, Harry Potter, Percy Jackson, Star Wars, The Last Airbender, Game of Thrones, and so much more. I do not own any of these characters.

Percy Jackson was banished from Olympus. He was rescued by Hecate with the use of mist. But Percy has to do a job for Hecate now. To protect Harry Potter from the dangers of the wizarding world. Read on to follow Percy as he indulges himself into the mess of another world. The Wizarding World. What shall await him in this dangerous world? Wizards? Norse Gods? Egyptians? Pertemis?

The Dark Lord is rising, Witches and Wizards are beginning to disappear again, there seems little hope... until Dumbledore prays to the Goddess of Magic, Hecate, and a team is sent to help set things right.

Percy Jackson at Hogsmeade

The Mist is failing. The worlds of the magical and mythical are collapsing, and soon they're doomed to collide. [Percy Jackson at Hogwarts]

Isla's name means islands, but she couldn't provide a less accurate description of her personality than sunny or tropical. She's the daughter of Hecate, goddess of magic, but she's never felt mysterious or spooky. Along with her best friend, Grover Underwood, Isla will get into Hogwarts. Follow her down the path to self-discovery - and possibly solving a mystery as old as time.

THIS FANFIC AND FUTURE CHAPTERS WILL NO LONGER BE FOUND HERE, ONLY WATTPAD.

Saved from death by her Father's hand, the Princess meets the Prince and a war torn path has begun. Fem!-Harry. PJO Canon Start. Book 3.

After the Titan War, Nico di Angelo was ready to enjoy a normal year at Hogwarts. He should've known that life at Hogwarts would never be normal. Artemis Fowl had spent an entire summer free of plotting and scheming . He was anxious to put his brains to good use once more. His wish came true in the worst way possible. Can the school survive Artemis and Nico's 2nd year at Hogwarts?

Percy Jackson was hoping to have a peaceful summer after the Giant War. Hermione Granger was hoping to relax after another stressful year. Barry Allen was hoping for some respite from fighting DeVoe. However, fate works in mysterious ways (as Percy can attest to). How will the 3 worlds interact with each other? WARNING: Incredibly slow updates! Sorry in advance!

During the fight with Kronos, something goes wrong. This something is so disastrous, it draws the attention of wizard Newt Scamander, and before you know it, Percy, Nico and Annabeth are shipped off to Hogwarts to compete in a Tournament, with a Dark Lord prophesized to return! AU. Percy at Hogwarts. Post LO. GOF. Percy centric with multiple POVs. Discontinued.

Voldemort tries to make himself even more immortal and Hecate counters with becoming Harry's patron and making Ginny a half-blood. But the demigods have other plans. Nico doesn't want to do this, Piper is offended, and Percy is over it all. Not another villain, PLEASE, Fates.

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...

I've seen too many cliched 'Voldemort's grandson' stories. So I decided to make my own, except that in this story, Voldemort is not the one with a grandson... Read on to find out.