Ray Gransdori, the white-haired Demon Swordmaster with piercing blue eyes, defies expectations as a pureblood demon through his calm demeanor and approachable nature. Exiled from the Yvesta lineage for lacking inherited magic—a flaw later exposed as proof of his reincarnation from the ancient Hero Kanon—he was raised by Sheila, a half-demon-half-spirit, who honed his legendary swordsmanship. His victories in combat and enrollment at the Demon King Academy solidified his fearsome title.

Balancing compassion with tactical brilliance, Ray navigates political tensions by rejecting allegiance to royalist or Unitarian factions while cultivating friendships across societal hierarchies. A prodigious yet disillusioned swordsman, his ennui shattered upon clashing with Anos Voldigoad, whose unmatched power revived his zeal for battle. Their fierce rivalry gradually transformed into a bond of respect, each warrior relentlessly challenging the other’s capabilities.

As Kanon’s reincarnation, Ray shoulders the Hero’s mission to cease the eternal human-demon war. To mask his identity, he impersonated Shin Reglia’s successor and suppressed his holy magic through calculated ineptitude. This charade extended to crafting the myth of Avos Dilhevia—a fabricated Demon King designed to channel humanity’s animosity—which catastrophically materialized into a real being entwined with his beloved Misa.

Ray’s combat mastery spans overwhelming physical and magical strength, including source magic manipulation across seven simultaneous reserves and resurrection via any surviving source. A dual-wielder of holy and demonic blades, he dynamically adapts tactics and mimics enemy techniques during engagements. The Spirit God Human Sword Evansmana, capable of slicing fate and rewriting history, anchors his destiny as a mediator of celestial strife.

His arc explores sacrifice and self-acceptance, shifting from martyrdom for peace to advocating coexistence after confronting Misa’s link to Avos Dilhevia. Weaving personal evolution with the unraveling of ancient burdens, Ray fights to preserve the present while reconciling the legacy of his past life as Kanon.