Facing extinction at the hands of demonic forces, blacksmith Lee Se-Hoon witnessed humanity's final stand crumble into mutual annihilation. In his darkest moment of despair, death itself became his escape—only to shatter against an impossible truth. Thrust back through time as a trainee at Babel Academy, Lee Se-Hoon emerges with memories of the apocalypse burning in his mind. Armed with the knowledge of failure and the resolve to forge a different fate, he declares an uncompromising oath: every resource, every person, every fragment of power—all will become instruments of his will. Victory demands no sacrifice too great.