Is the Demon King a Healer?

Healers are treated as back-line support and rarely receive the respect given to frontline combatants. That assumption collapses when the strongest figure everyone fears—the Demon King himself—is revealed to be a healer. The story turns the supposed weakness of a support class into its central combat idea, asking what happens when recovery, endurance and healing power belong to the person the entire world has identified as its greatest enemy.