Three years ago, a gray-white gap opened in the sky, known in history as "Advent Day." Since that day, strange rules have governed reality: notices on the wall kill people, looping radio calls for life, and children's graffiti predict death. Those who step into the rules area can only survive if they strictly abide by every rule. But the rules may be true or false. If you believe in one wrong rule, there will be no bones left. On the day of the disaster, low-level deliveryman Chen Ye fell into hell on the way to deliver his last order. After struggling in the wasteland for three years, he grasped the only trump card and devoured: eating strange flesh and blood to take away his abilities; devouring the core of the rules to get a glimpse of the truth. So what if mental pollution erodes day and night? In this world of cannibalism, only those who survive first are worthy of a clean break. Until that night, in the thick fog of the dead city, he heard that frightening name - Huo Jin. The leader of the "Ember Fire" mercenary group, a seventh-level evolver, a man standing at the top of the wasteland food chain. It is said that he is arrogant, cold-blooded and ruthless, and his determination to kill never ends overnight. But then everyone saw it: the man who never stopped for anyone protected him behind him. "Follow me.