*Adopted from percabeth* This is a book/fanfiction where Percy, Nico, Thalia, Annabeth and others, go to Hogwarts in Harry's fourth year. They are 15-17 years old and the Heroes of Olympus series has already happened. It is two weeks after the war and Chiron gets a request from Dumbledore to send a few people to protect Harry from the evil Voldemort