Percy, Annabeth, Nico, Thalia and Hazel all go to Hogwarts at the request of Hecate. She wants them to protect a boy called Harry Potter from the evil wizard Voldemort. This is set during the Order of the Phoenix and after Blood of Olympus. The characters and most of the plot belongs to J.K Rowling and Rick Riordan. The artwork isn't mine. Follow the link to see the website. https://www.deviantart.com/marichanx3/art/Percy-Jackson-and-Harry-Potter-chibi-406219775