Hogwarts gains +1 ghost king

After the Second titan war, Nico has gone back to doing jobs for his father. When Lord Hades (Pluto if you're roman like me) issues Nico to go under cover as a wizard to finds pieces of a particularly tricky soul, he enrolls at hogwarts to find that the the wizards get community is quite different (and much harder) then he imagined. When he gets another task, he enrolled the help of the 'golden trio' to research. Will they succeed? Or are they doomed to fail?

~COMPLETED~