Nico Di Angelo at Hogwarts

Nico goes to Hogwarts because Hecate and Hades asked him to help Harry Potter to destroy Voldemort. He finds many familiar faces along the way as well as some friends and enemies . How will the Ghost king endure this quest? PS: I promise not to abandon this story I will complete it and I post every four days. DISCLAIMER: I do not on the Harry Potter Universe nor I do the Percy Jackson Universe.