Things of Fire and Ash (Percy Jackson Harry Potter crossover)

"Death shapes us, Percy, and you more than anyone," the hooded man said. "They used you like a puppet, and cut the strings when you misbehaved. They killed her, for there own benefit - and look at you! Defending them like they ever wanted you!"

"Percy," he crooned with a sickly sweet smile, "You were born to be the failure of the gods."