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Duty of the Hero

The Reincarnated Demon King's Host Just Wants to Live in Peace, But the Hero Won't Leave Him Alone

Duty of the Hero is the governing obligation that defines the Hero and the Hero’s party in Algeya: they are trained to confront the remnants of Malthios’s Demon Army, purge the remaining Demons, and protect ordinary people. Its decisive significance is that it is both a genuine public responsibility and a mechanism of state control. The same duty that protects the country also claims authority over children, recruits, bodies, identities, and finally the life of Theo, whose existence as Malthios’s host exposes the rule’s moral limits.

Definition and Institutional Setting

The duty operates within a national system organized around the continuing threat of Demons. Although Malthios had been defeated, surviving Demon Lords and other remnants of his army still threatened the land, so the Hero’s party remained responsible for defending the common folk. The capital’s palace makes this arrangement visible in physical form: one half houses the King, his family, councils, and balls, while the other trains magic users and knights who may serve the royals or join the Hero’s party. The Hero is therefore not an isolated champion but the product of a royal and military institution.

The system is also sustained by Algeya’s political unity. The mortal races had formed joint laws and cooperated because the common enemy of the Demons made division dangerous. The duty of the Hero thus functions as a shared security arrangement across kingdoms, with the Hero’s party serving as the armed answer to a threat that helped create the country’s broader unity.

Recruitment and Training

The duty claims Theo before he can choose it. During the magic test in the capital, an enchanted orb reveals his unusually powerful emerald healing magic. The court mage immediately declares that someone with such a gift belongs in the Hero’s party, assigning him to study under the greatest healer in Algeya and later train with the next Hero. His parents are left disappointed because the result will not benefit them, but Theo has no meaningful opportunity to refuse. The language of public need converts a child’s ability into a national resource.

Theo’s training makes the contradiction sharper. Camden teaches him that a healer must keep companions alive while also being capable of defending himself or guarding someone else. Theo studies healing, books, hand-to-hand combat, and knives, receiving instruction from Camden and the adventurer Sasin. His abilities become unusually strong because he can draw on Malthios’s immense mana, though he deliberately restrains that power to avoid suspicion. The Heroic system therefore expects a healer to be both caretaker and combatant, while demanding that his most important source of strength remain hidden.

The rule also treats the Hero as a temporary instrument. Hero magic burns through the user’s body so quickly that recorded Heroes have barely survived into their twenties. Eliza’s fight with Malthios has already accelerated the cost, and the search for a successor begins while she is still alive. When Theo turns sixteen, the legal age of adulthood, guards are scheduled to take him back to the capital to meet the new young Hero and the other companions. The plan is for them to train together until the Hero reaches the required age, after which the charge of purging Demons and protecting the common folk will pass to them.

Refusal, Enforcement, and Confinement

Theo’s response is not a rejection of healing or of the people who need protection; it is a rejection of being absorbed into the Heroic machine. He and Malthios make an agreement that Malthios will stop trying to seize Theo’s mind and body, while Theo will permit occasional control only after training and only if Malthios does nothing against his wishes. They then leave before the guards can collect him, traveling for two years, performing odd jobs, and moving north until they find a peaceful village beyond the apparent reach of Demons and Heroes.

The state continues to regard this flight as a breach of duty rather than an exercise of conscience. After Theo’s identity is exposed, the court mage and Eliza order him restrained with magic-dampening handcuffs. When he awakens, Emi explains that the restraints are official orders and asks whether he expected the authorities to let him remain free. The question reveals the practical meaning of the rule: once Theo is classified as the Demon King’s host, ordinary freedom becomes conditional, and his body is treated as a security problem before his choices are considered.

The enforcement process culminates in the capital. A message is sent to the court mage, and the party uses a rare portal orb to reach the capital courtyard within minutes. Knights meet them there, and the court mage orders Theo taken to the dungeons. He is then brought before a throne room crowded with court members, mirror-spell images, Eliza, and the Hero’s party. A large mirror broadcasts the proceedings to towns, villages, and cities throughout Algeya, turning a private identity into a public spectacle.

Judgment and the Limits of the Rule

The trial tests whether the duty is an inflexible command or a responsibility subject to judgment. The court declares Theo guilty for protecting Malthios, but the people of Leafel intervene through a mirror portal. Micah casts the spell, with Imani, Dale, Dmitri and his parents, Nib, Amaya, Hayden, and the villagers gathered behind him. Hayden demands Theo’s release, demonstrating that the community he served does not reduce him to the identity imposed by the court.

King Alexis then identifies the unusual legal structure governing the case: the fate of Healer Theo belongs solely to Hero Luca. The decision is not placed with the council or the crowd, even though both have strong opinions. This arrangement concentrates public authority in the Hero, making Luc the person who must reconcile the formal obligation to kill the Demon King with his knowledge of Theo as a healer, companion, and beloved partner.

The conflict becomes explicit when Luc asks whether Malthios truly destroyed the remaining Demons. Malthios confirms that he destroyed the Demon Fortress and everyone inside it, leaving only a few lesser Demons and demon-created monsters for competent adventurers to handle. He also states that there is no longer any need for a Hero. The statement undermines the practical foundation of the old duty: if the organized Demon threat has been destroyed, the institution’s original purpose has changed.

Luc nonetheless begins from the traditional rule. He declares that, as the Hero, it is his duty to kill the Demon King. Yet he immediately asserts control over the timing, saying that he also gets to choose when it happens. This delay transforms duty from an automatic sentence into a bounded responsibility. Luc does not deny the danger represented by Malthios, but he refuses to let the institution convert duty into an immediate execution without regard for Theo’s personhood, the altered threat, or the possibility of a different future.

Consequences and Significance

The final judgment separates the host from the Demon King without pretending that the danger has vanished. King Alexis concludes the trial by sentencing Malthios to life in prison while declaring Theo free of all charges. The result is neither simple acquittal nor execution: Malthios remains subject to confinement, while Theo is released from criminal responsibility for choices made while protecting and restraining him. The distinction recognizes that a host is not automatically identical with the entity within him.

The decision also exposes the duty’s central contradiction. Heroic law is designed to protect the public, but it initially responds to Theo through forced recruitment, handcuffs, imprisonment, public display, and the threat of death. Its corrective comes not from the council’s consensus but from the combined pressure of Luc’s personal judgment and Leafel’s collective refusal to abandon Theo. The community’s intervention supplies a different account of protection, one grounded in lived care rather than classification.

The rule therefore survives only in altered form. Luc continues to acknowledge the duty to confront the Demon King, but he chooses postponement rather than immediate killing; Malthios’s destruction of the Demon Fortress removes the need for the old Heroic campaign; and Theo returns toward Leafel as a healer whose obligations are defined by the people he serves rather than by the capital’s claim over his magic. Duty remains real, but the ending insists that public safety cannot be separated from consent, responsibility, and the humanity of the person asked to bear it.