Chen Huan, a survivor struggling at the bottom of the apocalypse, an accident caused him to lose his legs and fell to the bottom. At the darkest moment of his life, he turned around, awakened the system, and became a doomsday maker. Receive the task and destroy the shelter , cities, and even the entire plane; recruit helpers, form legions, from ugly zombies, ferocious demons to holy angels, cold machines... They are all my wage earners. Huan, in the end, became the ultimate villain by mistake.