Twisted Paths

Nico di Angelo is sent to Hogwarts to… defeat Dumbledore? Ron and Harry are suspicious of the exchange student, but he seems to know people from different houses, including Hermione, Luna, Neville, and Draco. Who exactly is he, and why are Hermione and Luna being so hateful to each other? (R&R!) Adopted from FantasyLover100. NicoxWill SolAngelo