Guo Fan will lead the survivors to find a safer base, collect gasoline, weapons, seeds and other key supplies in his backpack along the way, and rely on unlimited duplication to solve the team's material crisis; at the same time, he insists on daily high-intensity fitness to unlock more hidden functions of the system, such as fitness value exchange skills, attribute points and critical hits, etc.; Facing powerful mutant zombies and resource-plundering villains, he sweeps across the world with his invincible body and infinitely duplicated weapons and ammunition, step by step, builds his own doomsday fortress, and becomes the doomsday war god that everyone respects.