Global Wasteland: Upgrading My Abandoned Base into a Sky Fortress

When humanity awakens in a brutal post-apocalyptic wasteland, survival means one thing: build or die. Acid rain melts flesh, tsunamis swallow cities, and relentless zombie hordes attack without mercy. While others scramble to reinforce wooden walls and pray for another day, Yue Chi discovers an incredible upgrade system that transforms his abandoned base into an unstoppable war machine. From stone fortifications to floating sky fortresses, from primitive arrow towers to world-ending artillery—his power knows no limits. As natural disasters intensify and the undead multiply, Yue Chi isn't just…