Unicron's Destroyer

Izuku Yagi was neglected by his family and abused by Katsuki and Shoto for being quirkless. Izumi, Shoka, and Katsumi were the only people to treat him normally. One day Katsuki and Shoto almost killed him using their quirks. His body is almost destroyed but a universal being called Unicron revived him using his power. He takes on a new name, Sixshot the mercenary. He hunts down fake heroes and villains.