The world is changing, natural disasters are coming, and the whole nation travels through the doomsday game! Terrifying beasts, wilderness swamps, strange relics, and crises are everywhere! Humans can only rely on shelter to survive and receive rounds of natural disaster baptism! Fortunately, Lu Yan awakened the doomsday survival system, and he can infinitely decompose and create survival necessities and upgrade shelter infinitely! [Steel] [Wood] Synthesize [Steel Axe]! [Quadzel Sand] [Sodium Ash] [Resin] Synthesize [Bulletproof Glass]! [Alloy] [Micro Energy] [Mutual Beast Brain] Synthesize [Beast Guard]! When everyone is still struggling to survive, Lu Yan has already carried a super-era divine outfit in the wilderness! Lu Shen's shelter is the safest place in the wasteland! The city walls there are a hundred meters thick, and the resources there are endless!