The saviour (a Percy Jackson and Harry Potter crossover)

AU. OOC. When running from abuse Percy Jackson comes across Hades and Hestia thus becoming the son of Hades and the champion of Hestia. When Percy gets older he goes to Hogwarts and meets the legendary Harry Potter and he finds out that his grandfather is Voldemort but is that really a bad thing? There are sides in every war but are they really who they say they are. Is the light side light? Is the dark side dark? The boys must find out what is true and what is false to see who really to fight with.