Global Catastrophe: the System Will Destroy the World and I Will Save the World!

Linn traveled to a parallel world, but was told by his girlfriend: She was a reborn person, and the end of the world was coming! Fortunately, Lin En has awakened the golden finger and the tombkeeper system! As the gravekeeper of human civilization! The deeper mankind falls, the stronger Linn becomes! The Zerg is raging, and Linn gets an immortal demonic body! The undead arrive and Linn gains immortality! Strangeness has arrived, Lin En has mastered the supreme path! The earth is in disaster, but Lin En secretly controls everything. But what if humanity falls too quickly? How can humans become stronger if they are extinct? So Lin En began to establish an organization in a desperate world to secretly save the world... The name of the gravekeeper is too ugly, but the night watchman is quite good. … My name is An Miaotong, and I am a reborn person. In a week, global catastrophe will strike. My strength is not weak, but I can only protect some people around me. To save more, we must find the legendary organization—— Night watchman!