Start with a Star Destroyer Cannon and Sweep Across the Wasteland for 30,000 Years

When the weapon that destroys the world falls into the hands of the only person who wants to save it In the wasteland thirty thousand years later, civilization has become a legend. Lu Chen woke up from the cryopod and found himself in an apocalyptic world where barbarism and steel debris coexisted. Humans here are struggling with radiation, and technology has degraded to the steam age, but his right hand is embedded with the core of a forbidden weapon, the Star Destroyer Cannon, which can tear apart the planet. "Warning, civilization degradation level detected: 99.7%." The cold voice of the AI echoed in his mind, "It is recommended to implement the cleaning protocol." But Lu Chen refused to become a destroyer. He blasted away Predator fortresses with Star Destroyer cannons and lit the wasteland's first lights with antimatter generators. While others were shooting at each other with bows and arrows, his city walls had erected Tesla electro-optical towers; while tribes were still fighting for carrion, his factory was mass-producing combat mechs. Until he discovered—— This wasteland is a testing ground for advanced civilization and is reset every 30,000 years. And his Star Destroyer Cannon is the "Destroyer of Civilization" from the last reincarnation.