Lin Fan, an ordinary student, awakened the 'Indestructible Body' on the day of the end of the world and became the only indestructible superpower. Facing the plunder of mutated monsters and superpowers, he bound to the "Infinite Armor System" to transform his flesh and blood body into an upgradeable ultimate weapon. From a failed product expelled from the laboratory to the Lord of Doom who crushes all awakened ones, he penetrates all desperate situations with absolute defense, crushes the heads of betrayers with his iron fist, and finally commands the remaining humans to build the strongest refuge.