Perseus, the Monster

When a son of Hades named Mark comes to camp, all of Percy's friends slowly start to leave him. Only Annabeth stays with him. When he goes on a quest from Athena to marry her, he comes back with everyone thinking he is a traitor. Even Annebeth, who was secretly dating Mark. The gods bring him to Olympus, accuse him, show the evidence, and then turn him into a monster. One day the gods ask for his help, in exchange for turning him back to normal. But Percy hates the gods for what they have done for him. When he finds out the Seven were given partial immortality, will he help them? Or will he join there potential downfall?

I do not own PJO or HoO. Rick R does.