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Hero’s Demon-Slaying Sword

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

The Hero’s Demon-Slaying Sword is a purpose-forged weapon whose power is demonstrated against Malthios and whose later use by Theo turns a symbol of the Hero’s office into an instrument of resistance. Its danger is not limited to demons: when Theo takes hold of it, the sword burns him, but he keeps his grip long enough to save his companions.

Identity and Purpose

The sword is carried by the Hero Eliza when she confronts Malthios in the throne room. Its reddish blade is made and blessed to take the Demon King’s head, marking it as more than an ordinary weapon: it embodies the specific duty the Hero is trained to perform. During the duel, its gold, red-jeweled hilt flashes as Eliza and Malthios trade blows. The clash is closely matched until Eliza’s mana surges; her strike shatters Malthios’s black blade, and the Hero’s Demon-Slaying Sword pierces his stomach. Its intended function is therefore fulfilled in the scene, even though Malthios declares that she has not seen the last of him.

Seizure, Resistance, and Return

The sword later becomes vulnerable to ordinary theft. During the bandit ambush, the leader takes the party’s weapons and recognizes the Hero’s Demon-Slaying Sword among them, turning it in his hands before asking whether Luc is the Hero. He then draws it to threaten Theo: after cutting Theo’s leg ropes and forcing him to his knees beside Luc, the bandit frees his wrists and lays the cold blade against his throat. The weapon’s authority has been seized and redirected from its intended heroic purpose into a tool of coercion.

A sudden attack on the guards gives Theo an opening. He grabs the sword despite its immediate, searing pain, drives it into the bandit leader’s chest, and holds on. Theo wrenches it free and throws it beside Luc, who uses his Hero strength to break his bonds; Khal tears loose from the ropes binding him to a tree, while Wicker frees Bryony. Theo’s brief use does not make the weapon harmless to him, but it changes the moment: the sword that had marked a Hero’s power becomes the means by which a captive healer interrupts the threat and helps the party fight back.

The sword’s value also depends on what kind of enemy they face. While preparing to search an autumn forest for ghosts, Theo leaves behind his light sword because ordinary blades cannot hurt ghosts unless blessed or enchanted. He believes Luc’s sword is the party’s only weapon capable of harming them, making the Hero’s weapon useful beyond its defining purpose of confronting the Demon King. Its exceptional power is therefore both specialized and situational: it can threaten a Demon King, but in another danger it matters because ordinary steel is ineffective.

When Theo later faces Eliza, she attacks with the Hero’s Demon-Slaying Sword. Theo dodges her strike and wounds her with a kris; after she falls, he kicks the Hero’s sword out of reach before kneeling to heal her. The gesture removes the weapon from the immediate struggle without making its violence the final answer. At the end of the trial, Luc picks it up as the group leaves, his hand still holding Theo’s. It remains with the Hero’s party, but its final appearance accompanies their departure from the court and the life of compulsory service the sword represents.

Office, Possession, and Choice

The sword’s significance shifts with the person holding it, while its material identity remains constant. Eliza carries the weapon made to kill the Demon King; during the bandit ambush, it is recognized even in the hands of a captor, who uses it to threaten Theo. The change of possession separates the weapon from the authority it signifies: it can be taken and turned against the people the Hero is meant to protect. Theo’s painful use of it reverses that coercion, though the blade’s power still exacts a cost from him.

Its later presence alongside Luc and Theo at the court’s decision brings that conflict into the open. Luc names the Hero’s duty to kill the Demon King, but insists that he can choose when to fulfill it; the court sentences Malthios to life in prison and frees Theo. When Luc takes up the sword as they leave, it accompanies the group beyond the courtroom rather than completing an execution. Across these changes, the weapon marks the tension between an inherited office defined by violence and the possibility of choosing what that office will mean.

Heroism and Inheritance

The sword’s association with the Hero’s office also places it within a dispute over who controls that office’s future. Eliza’s former lover Julius tells Theo that Eliza pressured him to refuse Luc’s invitation to join the party, threatening to take everything from him if he did not let Luc go. Julius believes her purpose was to keep Luc available to sire the next Hero, a future that neither he nor Luc could provide. At the trial, Eliza frames Luc’s choice to live with Theo as a decision to end their bloodline and discard the life for which he had trained. Luc instead insists that those born with the Hero’s gift should be able to choose their fate. The sword thus belongs to more than a cycle of combat: as the recurring emblem of heroic duty, it is caught up in the attempt to make that duty hereditary, while Luc’s refusal contests the assumption that the Hero’s power determines his relationships or future.