Apocalyptic Mecha Craze: Awakening God of War Manufacturing System

[Decisive Killing + Mecha Frenzy + Bottom Counterattack + Global Catastrophe] Guo Dezhu, an auto repairman in the Magic City, a simple and honest handyman nicknamed "Pillar" by his co-workers, watched helplessly as the entire auto repair shop was overwhelmed by zombies at the moment of the apocalypse. When he was about to die, he accidentally activated the [God of War Mecha Manufacturing System] - scrap metal, parts, and energy cores can all be turned into steel weapons! While others were fleeing among the corpses, Zhu Zhu used a wrench to dismantle the zombies and used a crane arm to assemble the first mecha "Iron Skin". A month later, the alien monster "Scarlet Arrival" tore through the sky, the military was defeated, and the survivors were desperate. In the ruins of the Demon City, a rusty mecha slowly stood up, and the system prompt sounded coldly: "The God of War codenamed 'Xingtian' is activated for the first time - the goal is to clear the Demon City!"