With the sun vanished and alien insect swarms invading, humanity plunges into a dark era. Amidst the chaos, Lin Feng discovers a unique item upgrade system that allows his gear to evolve infinitely through combat and accumulated upgrade points. - "Inferior Handgun lv1/9, Damage: 3, Effective Range: 15 meters" - Achieve ten successful hits to upgrade to: - "Ordinary Handgun lv2/9, Damage: 4, Effective Range: 30 meters, Unlocks Extra Attribute: Bullet Recovery 1/1h" As the relentless insect tides descend upon the world, Lin Feng binds his equipment to this system, enabling him to upgrade from basic firearms to devastating weapons: - Handgun → Explosive Gun → Nuclear Cannon → Stellar Annihilator These upgrades grant additional attributes like bullet recovery and spatial magazines. Vehicles follow a similar path of evolution: - Camper Van → Armored Vehicle → Mobile Fortress → Cosmic Battleship While others struggle to survive, Lin Feng cruises in an armored vehicle, wielding a bullet-replenishing explosive gun, relishing the thrill of leveling up by defeating foes. His journey transforms him from a mere survivor into a formidable force against the extraterrestrial menace, offering a thrilling blend of action, strategy, and endless possibilities in a world where evolution is key to survival.