Mechanical Heart of the Apocalypse

A cataclysmic apocalypse has swept the globe. Zombies gnaw on flesh, mutant beasts tear civilization apart, aliens are poised to strike, and humanity struggles to survive amid the ruins of steel. Ye Ran didn't awaken an elemental power capable of destroying the world, but the seemingly useless [Mechanical Heart]: E-rank Structural Analysis: See through a zombie's mutated core or a vehicle's fatal weakness in two seconds; D-rank Mechanical Control: Turn ten armored vehicles into killing machines, with reaction speeds that crush military AI; C-rank Evolutionary Forging: Command a hundred-machine legion, with derivative skills that shatter the arrogance of hypocritical elites; B-rank Self-Reconstruction: Become an immortal mechanical humanoid, with nanotech regeneration that makes even mutant beasts' bites a joke; Until, at SSSS rank, he combines into a Transformer. The 160-meter Guardian tramples the zombie horde, and the Final Protocol lays down an ironclad rule: Follow me and live. Defy me, and you'll be crushed into scrap! When he uses his mechanical army to wipe out the zombie queen's nest and tramples the forces that once mocked him as "a worthless scrap collector," the whole world finally understands: In this apocalypse, the Mechanical Heart is the ultimate law of survival!