Formerly an elite support soldier who perished during the apocalyptic war against The Liquidator, Gray Lee was regressed fifteen years into his youth by Chronos. Tempering a cold, pragmatic resolve with fierce loyalty to those he deems allies, Gray uses his future combat knowledge to prevent the extinction of humanity. He operates with calculated ruthlessness against traitors while maintaining high tactical intelligence. Combat abilities and traits: Retains veteran swordsmanship instincts and master-level tactical awareness. He has mastered internal life-force manipulation (Odo), executing the devastating Sword of Life Force. Possesses latent Type IV Dimensional Energy, a dark god-like entity force measuring ten thousand times beyond maximum human output.

A brilliant, red-haired elite professor at the World Union Academy and head of the Divine Eye Special Admission program. Fiercely independent and politically astute, Ariel stakes her academic reputation and personal fortunes on Gray's miraculous potential, acting as his primary patron, legal defender, and strategic sponsor within the corrupt academy board. Combat abilities and traits: Wields specialized ocular skills (Divine Eye) capable of analyzing raw energy compositions, hidden magic circuits, and latent power reserves. Commands vast financial capital and possesses access to personal vaults containing divine-grade weapons.

The top-ranked swordsman among the first-year academy cohort. Initially embodying noble elitism and hostility toward special admission students, Leonhardt's arrogant worldview is shattered through rigorous sparring with Gray. Recognizing Gray's superior combat mastery, his hostility transforms into profound respect, cementing him as one of Gray's most dependable frontline allies. Combat abilities and traits: Master-level orthodox swordsmanship, immense physical endurance, and high-speed martial techniques suitable for vanguard combat.

A prodigal sorceress targeted by corrupt faculty for inhumane human experimentation due to her rare arcane affinity. Rescued and taken under Gray's wing, Bella develops unflinching loyalty toward him. Under Gray's rigorous tutelage, she sheds her fragile demeanor to become a confident, highly lethal elemental caster. Combat abilities and traits: Mastered super-compressed ether manipulation, allowing her to bypass standard casting delays to fire high-density elemental spells capable of piercing advanced defensive barriers.

A veteran combat instructor and authoritative elder figure within the World Union Academy. Behind his gruff, unforgiving training methods lies a deeply principled guardian committed to weeding out institutional corruption. He subjects Gray to extreme physical conditioning to prepare his physical vessel for unknown forces. Combat abilities and traits: Exceptional physical stamina, grandmaster martial conditioning, advanced defensive barrier deployment, and high-level anti-traitor tactical command.

A sadistic rogue professor at the World Union Academy secretly acting as an operative for the Blood Drinker syndicate. Obsessed with illegal bio-magical research, Varian conducts inhumane soul-harvesting experiments on promising students in secret subterranean facilities to fuel spatial warping technology and syndicate operations. Combat abilities and traits: Spatial-warp manipulation, dark bio-alchemy, soul-harvesting ritual mastery, and subterranean barrier creation.