Grim Reaper: Origen

Grim Reaper is a Demon who get souls to Lucifer. One day, after savage battle between humans, when he was ready to reap souls of dead soldiers, is attacked by survivor of the battle, and come down to Hell. When arrives, don't have his helmet and ask to Lucifer to come back to Earth and recover his helmet and honor. But Lucifer has a plan to take advantage of the situation.