When Percy is abandoned by his friends and father, he leaves. Only to be found by Chaos, who offers him a spot in her most elite group: The Four Horsemen of Chaos. Their goal, to protect the earth from peril. But when Olympus is under threat once again the Horsemen are called to protect them, no matter how they themselves feel about it.

When a new mysterious Metahuman appears in Central City her powers are very unusual. Even suppressing Team Flash's definition of weird. So they decide to call in an old friend to help them stop her. (Sequel to Flash Flood)

Barry meets a strange boy; one who does not seem to be a regular type of Metahuman. No longer one shot.

AU. Returning from a rescue mission, Perseus Jackson found his own girlfriend cheating on him while he was away. His image ruined by others, he was deserted by all except his closest of friends. Percy has left camp to accept an offer from a strange being. The offer? To become more powerful than he had ever dreamed of; to become Master of the Elements. [ON HIATUS]

Wars over and Percy's life is great. That all changes when Jacob comes and is set on ruining Percy's life. Soon, he wins, making Percy leave. Percy's soon found by Chaos and joins him as his commander. PERCABETH! full sum. inside!