Global Cataclysm: I’m Leveling Up Very Safely in the Sanctuary

Cataclysm Day arrived, the underground beasts surged out, the sun exploded, cold currents froze the world, prehistoric beasts reappeared, alien creatures descended, and the 365-day horror of the end of the glaciers and the extinction of dinosaurs was about to reappear.

Ye Xiu had transmigrated to this parallel world. There were still seven days left before the Cataclysm.

Fortunately, he had activated the system and activated his own Sanctuary system and self-strengthening ability, allowing him to level up and evolve indefinitely.

Iron door, double iron door, alloy iron door, space rift door…

Bow and arrow launcher → Small machine gun → Storm Gatling Gun → Light Particle Laser Cannon…

Research base: tanks, planes, submarines, unmanned reconnaissance aircraft, mechanical guards, satellite launch systems, nuclear power center storage room.

When everyone was struggling to survive in Ruins City, they realized that Ye Xiu had already remotely controlled the drone to come out and hunt for food…