Percy jackson the chaos power

Percy jackson is doing great. No ones lives got lost during the giant war and he just got to relax. Until one day when percy's new brother zack comes and everyone like him better. The hole camp and the seven ignore percy. Poseidon disowns percy. Everyone except annabeth,thalia and nico ignores percy. Nico is in the underworld and thalia is with the hunters. When percy finds annabeth kissing zach he leaves camp. Chaos creator of the universe seeks percy out and asks him to be the leader of his new assassin army. Find out what happens when percy says yes. Find out now.