Arc

Arc, the Rifle Woman, is the broken-core Gunsoul cultivator whose knowledge, oath, and final sacrifice redirect Yuan Guang’s life. She enters the story as a dangerous stranger guarding a failing body and leaves it as Yuan’s teacher, battlefield ally, and posthumous guide. Her decisive significance lies in the paradox of her defeat: Arc cannot complete the Perfect Shot or survive the conflict that follows, yet the methods she develops, the warning she transmits, and the last command she gives make Yuan’s eventual victory possible.

Identity and Condition

Arc is introduced at the Ammobog, where its mistress pours molten lead into a bullet mold. She identifies herself to Yuan as “Arc, the Rifle Woman,” presenting the specialized identity of a Gunsoul whose body, weapon, and cultivation are inseparable. Her presence is associated with the craft of ammunition as much as with combat: the Ammobog is not merely a refuge, but a place where bullets can be shaped, tested, and invested with purpose.

Arc’s defining physical and spiritual condition is her broken bullet-core. Yuan asks whether the rumor is true, and Arc confirms that the damage began when her squire, unaware of the immortality of Gunsouls, planted her bullet-core in the land. Her flesh regenerated and healed, but the core did not. Unlike a functioning Authority whose boundaries are closed to preserve its potency, Arc’s core has open borders. Qi continually leaks from it, making her power unstable and her eventual death an intrinsic part of her condition rather than a sudden reversal unrelated to her history.

Her damaged core places Arc in an unusual position within a cultivation society that already divides people according to access to spiritual power. Yuan had once accepted that he was born without the potential for a qi core, as half the world’s inhabitants were Scraps serving cultivators; even the possibility of receiving an uncorrupted spirit pill depended on pleasing sect elders. Arc is not a Scrap, but her broken core gives her a related experience of limitation. She possesses extraordinary combat ability while being unable to rely on the intact, self-contained cultivation that other powerful figures take for granted. The contrast also sharpens Yuan’s first achievement: when he calls himself a cultivator of the First Coil, the title feels less like the proud trophy he once imagined than a confession of inadequacy. Arc recognizes both his potential and the incompleteness of his current state.

Mentor and Oath

Arc initially treats Yuan as a possible threat. Her warning that she might be attacked for her core establishes a relationship founded on suspicion rather than generosity. Even after she agrees to teach him, she imposes a condition that converts training into a political and ethical commitment. Yuan must swear never to befriend Nuclear Path cultivators, oppose Manhattan and those who follow his Path, resist Manhattan’s plans whenever possible, and destroy him even if the pursuit lasts centuries. Arc in turn vows on her own core to teach Yuan everything she knows and make him her disciple.

The oath gives Arc’s mentorship a double structure. She teaches cultivation, but she also recruits Yuan into a conflict between Paths. Her instruction is therefore not neutral technical schooling: it carries the force of her judgment about Manhattan, the Nuclear Path, and the danger represented by their plans. Yuan accepts eagerly, and the pledge binds his future to Arc’s unfinished opposition. The mentor’s authority comes not from an untouched body or an unanswerable victory, but from the knowledge accumulated through injury, failed experiments, and a long confrontation with the Gun curse.

Arc’s method differs sharply from that of Mordiggian, who later proves to be a very different teacher. The contrast makes Arc’s role more specific: she is the instructor who understands Yuan’s Gun Path from the inside and who works to align his body, bullet-core, and soul rather than merely supplying an alternative doctrine. When Yuan asks whether his iron flesh is ready to host an innate technique, Arc agrees to determine which Gun Path technique should be engraved into his core and flesh. She treats cultivation as a process in which the body itself must become a weapon capable of bearing the soul’s chosen form.

Training and the Perfect Shot

Arc’s teaching becomes increasingly concrete as Yuan advances. She explains that an innate technique arises only after the body has changed enough to host it, and that the correct technique depends on the shape of the soul and the way the cultivator approaches a chosen Path. Yuan’s relentless cycling before the History Road race pleases her; he completes his soul-sutra circuit by the second day, demonstrating the disciplined progress she has demanded. The training is not presented as effortless empowerment. It is a labor of alignment, repeated practice, and bodily transformation under the pressure of a mentor who knows that incomplete preparation can be fatal.

Arc also explains the Gun Demon Incarnation technique. Constant cycling forces Yuan’s bullet-core and body to align with his soul, allowing him temporarily to become his spiritual reflection: an Infernal, or weapon-demon of gun violence. The technique turns Arc’s central lesson into visible metamorphosis. The Gun Path is not only a collection of attacks; it is a transformation in which the practitioner’s physical form briefly reveals the violence encoded in the soul. Arc’s instruction consequently gives Yuan both a practical weapon and a vocabulary for understanding what he is becoming.

Her greatest intellectual inheritance concerns the Gun curse. Arc says that a Long Dragon Sage once told her the curse could be broken only with a Perfect Shot: the right shot, using the right bullet and the right gun, fired at the right place and time, for the right reasons. She has spent years trying to craft that perfect bullet. Her attempts barely affect the Gun when she uses them to save Yuan and his friend, exposing the limits of her own solution. The failure is crucial because Arc is not secretly in possession of a finished answer. She has identified the conditions of release but has not been able to satisfy them herself.

That incomplete knowledge nevertheless becomes the foundation of Yuan’s later achievement. At the moment when Yuan understands himself as more than the Gun, he remembers Arc and recognizes that she was wrong about the Perfect Shot and would have failed to end the curse. Yet her teachings paved the way for his victory. Arc’s narrative function is therefore not that of an infallible master whose disciple merely executes a completed plan. She is a failed solver whose experiments, definitions, and sacrifices make a solution possible for someone else.

Combat, Transformation, and Sacrifice

Arc remains an active combatant rather than withdrawing into the role of instructor. During the crisis in Fleshmarket, a bullet from the west shatters Yuan’s Barrier before he can complete his technique. He immediately recognizes Arc’s qi, and the speed of her arrival is itself evidence of her power: she can cross the distance between Fleshmarket and her lair within minutes on foot, having already demonstrated that she can snipe Yuan from that range. Her intervention is both rescue and threat, because Arc’s strength is inseparable from the destructive force that makes her feared.

Before the confrontation at the city, Arc steps from the train with a Barrier restraining her Authority to a radius of one meter. She tells Yuan and the twin racers to stay back, pulls aside her cloak, reveals her rifle-arm, and aims toward the city. Her stated purpose is direct: she does not know how her enemy survived their previous clash, but she intends to bury him for good this time. The scene places her between two modes of existence. The Barrier contains her Authority, but it cannot erase it; the cloak conceals her, but the rifle-arm announces what she is; and the decision to proceed despite her damaged core turns every act of aggression into a possible last act.

Arc’s Gun Demon Incarnation makes that inner weapon visible. Her flesh becomes sleek steel, while her skin turns into ethereal black leather shaped from woven shadows. Her ordinary clothes vanish and are replaced by lethal equipment produced from her spirit. A skull-adorned cloak flows behind her, a pointed black hat grows as part of her skull, and gunsmoke forms a high collar around her neck. Belts of spirit-bullets fasten around her waist. Her rifle-arm becomes larger and more grotesque while remaining light to her, gains three additional conjoined barrels, and carries a chain coiled around the weapon. Her other hand reveals a steel skeleton, while only her fiery auburn hair remains unchanged. The transformation is not an ornamental power-up; it is the literal externalization of Arc’s soul as a weapon-demon of gun violence.

At the climax, Arc whispers to Yuan through the Authority of her soul, “End it all.” Her bullet-core then explodes within her chest. The destruction completes the logic of her broken-core condition: the power that has leaked from her, sustained her, and made her dangerous becomes the site of her final expenditure. Her death is a sacrifice, but it is also an act of instruction. Even at the moment of annihilation, Arc directs Yuan toward the ending she can no longer reach herself.

Inheritance and Narrative Legacy

Arc’s death does not sever her relationship with the living. Orient later reveals that Arc entrusted her with information and an inheritance. A compartment in Orient’s engine opens to show a small letter and a silver bullet, with the letter evidently intended for Yuan alone. The inheritance preserves Arc’s characteristic combination of knowledge and ammunition: her final message is not separated from the material practice of the Rifle Woman, but accompanied by a bullet capable of carrying her unfinished purpose into the next stage of Yuan’s life.

Yuan’s later identity as the Gunman is shaped by Arc’s memory. He acknowledges that the Gun is part of him but insists that he has become greater, naming himself the Gunman. More than anything, he thinks of Arc. He understands that she misjudged the Perfect Shot and would have failed to end the curse, but he also understands that her teachings made his victory possible. Her last request was that he end the Gun’s cohorts, and he treats completing that task as an obligation owed to her memory. Arc thus survives as a directive rather than a ghost: her influence is measured by the actions Yuan undertakes because she can no longer undertake them herself.

Her reputation also changes from feared combatant to honored figure. In Train-Town, Bucket coins a paternal nickname for Yuan after establishing a shrine for Lady Arc within his universal train theology; the name spreads because it brings smiles to the people. The shrine converts Arc’s violent, tragic identity into communal remembrance without erasing her danger. She becomes Lady Arc, a figure whose legacy can console ordinary people because her sacrifice has been absorbed into the social world she helped protect.

Four years after the journey to the Long Dragon Sage, Holster still remembers Arc’s connection to that encounter. The group traveled for a year across the wastes to find the ancient sage Arc had once visited. Holster recalls Arc’s fear and amazement before the golden-scaled dragon, whose horns resembled a crown and whose throne was made of treasure and spirit-roots. The sage demanded that Yuan work for a full month in exchange for curing Holster of her Human Pillar status. This remembered episode enlarges Arc’s legacy beyond her death: her prior travels, knowledge of the sage, and unfinished dealings continue to determine the survival and freedom of those connected to Yuan.

Arc’s completed arc is therefore an inversion of the conventional triumphant mentor. She is physically formidable but spiritually damaged, politically uncompromising but personally capable of entrusting others with what she cannot finish, and technically brilliant without possessing the final answer. Her broken bullet-core embodies the limits imposed on powerful beings, while her oath and teaching turn those limits into transmission. Arc fails to break the Gun curse, yet she teaches Yuan how to become the person who can; she dies in the act of demanding an ending, yet her letter, silver bullet, shrine, and remembered journey ensure that her unfinished purpose continues to move through the story.