Long ago, the Planet Gods ruled the solar system, each shaping reality with their power. When they began testing mortals for sport, the universe created a counterbalance: a single human champion. That champion is Kael, a normal guy from Earth who discovers he’s been chosen to face the gods one planet at a time, from the smallest world to the largest. Each victory earns him a fragment of cosmic power—but also brings him closer to facing gods so massive they can crush worlds with a thought.