The reincarnation of the legendary hero Kyle who attends Lumerne Academy with total mastery over star magic and ancient combat arts. He hides his true identity while dominating examinations and protecting classmates from ancient evils.

The proud Sword Maiden of the Zerdinger household who becomes Leo's fierce rival and steadfast companion. She wields destructive fire-attribute swordsmanship and continually strives to match Leo's peerless martial prowess.

A gifted northern mage whose insecurities about forbidden magic are soothed by Leo's patient guidance. Under his mentorship, she unlocks the ultimate defensive ice magic technique known as Ice World.

A powerhouse senior student and official Magic Department representative who recognizes Leo's true potential. She provides critical political backing while fighting alongside him on dangerous expeditions.

A distinguished professor celebrated as the Sorcerer with the Evil Eye who possesses encyclopedic knowledge of ancient arcana. He supervises historical Hero Dungeons while wrestling with a tragic past tied to demonic forces.

The Demon Beast Queen and a high-ranking legion commander within the sinister Tartarus syndicate. She relentlessly schemes to eliminate rising hero candidates by corrupting dungeon records and unleashing demonic beasts.

A primordial calamity entity whose undying black flames burn straight through pure mana. His awakening fragments threaten reality itself by invading and destabilizing ancient dungeon simulations.

The menacing Wraith King who reigns as the supreme military commander of the villainous Tartarus faction. He orchestrates dark resurrection rituals to revive fallen demonic generals against humanity.