When dimensional gates erupted across the globe and unleashed hordes of apocalyptic beasts, humanity awakened supernatural combat abilities in a desperate fight for survival. At the vanguard of the final resistance stood Kim Sungin, the strongest Awakened warrior who fought relentlessly across battlefields soaked in the blood of fallen comrades. Despite slaughtering countless calamity-class monsters, Sungin watches civilization collapse into ashes, eventually perishing as the solitary survivor of a ruined world with profound regret burning in his heart. Rather than descending into eternal darkness, Sungin awakens twenty years in the past inside the fragile body of Kim Su-hyeon, an unremarkable high school student living in the peaceful dawn before the cataclysm. Blessed with a second chance at life and the comprehensive memories of humanity tactical errors, he initiates an intensive regimen of physical conditioning and mana cultivation. Determined to eliminate traitorous guilds, secure legendary artifacts, and train future defenders, the returned hero begins an unyielding crusade to rewrite history and avert global extinction....more