Surviving in a Land of Corpses: My A-Rank Talent Turns Me into a Killing Machine

【Civilization Development + Millions of Zombies + Far Ahead of Everyone + No Saintly Hero】 After transmigrating to a world overrun by millions of zombies, he must not only survive, but also develop a civilization. Prehistoric civilization, primitive civilization, agricultural civilization, Bronze Age civilization... All the players are stunned. Are they supposed to live like cavemen? Gu Fan gets an A-rank talent from the start. While gathering supplies, he smashes a tombstone and unleashes the zombies. While everyone else is still in the beginner protection period, he is already killing zombies and leveling up, pulling far ahead from then on. When millions of zombies descend, he alone is invincible!