The End Has Not Come Yet, but My System Has Been Activated in Advance!

Ding [Your doomsday system has been activated] Doomsday? System? Zheng Yi looked out the window at the bustling urban village, and countless question marks appeared in his head. Are you telling me this is the end? Do you want to see what you are talking about? [Traverse the subway, face thousands of zombies without changing a expression, and gain the ability to be invulnerable to all poisons] [SSS-level lottery, congratulations to the host for winning a planet-level space battleship] Zheng Yi activated the doomsday system in advance. Those infamous zombies are still in their infancy. Those dangerous places where no one survives are still tourist destinations. Those blessed lands that contain astonishing treasures are not yet known to anyone. A year later, the doomsday came. Behind Zheng Yi were hundreds of millions of descendants of Yan and Huang who were as strong as dragons. Above their heads were thousands of space battleships. On the ground were crawling high-level ferocious beasts that had been conquered long ago. The zombies are confused! I just came out with boots, are you dressed up? I just sent out minions, you destroy my crystals?