Doomsday Train: SSS-Rank Evolution Core from the Start

Decisive and ruthless｜Superpower evolution｜Doomsday power struggle｜No heroine｜Guns and shotguns Cao Kun transmigrates into a doomsday world and becomes the lowest-ranking cannon fodder aboard a train, only to awaken an 【SSS-Rank Evolution Core】: every superpower within him can be upgraded without limit! While others are still struggling to break through F-rank, his skills have already surpassed their limits. He tames the Metal Tyrant, slaughters the Zombie King, and crushes powerful superhumans! Aboard this steel fortress where the strong prey on the weak, he will climb to the peak of the apocalypse over the corpses of his enemies!