Kim Suho

Kim Suho is the principal Hero around whom the original story was structured, an Akatrina-born swordsman whose second life on Earth turns the duty to protect others into a freely chosen purpose. (Chapters 0, 249, 300, 361–362)

Biography

Cube's model cadet

Kim Suho enters Cube as its highest-ranked cadet and already carries the discipline expected of a future Hero. He gives up the oversized penthouse awarded to him, uses the ordinary cafeteria available to cadets from modest backgrounds, and trains even when others rest. His first enlightenment at fifteen lets him understand his exceptional Sword Saint Gift, but he treats talent as an obligation to practice rather than an excuse for comfort. That combination of ability, restraint, and effort makes him a natural center of the class even when he does not seek attention. (Chapters 3–5, 9, 22)

His instincts are tested when a museum exercise becomes a real Djinn attack. Suho places himself between the threat and other cadets, uses sword qi to erase hostile magic, and works with Chae Nayun rather than trying to claim the victory alone. Kim Hajin's hidden intervention helps the group survive, but Suho does not appropriate that aid: he reports that Hajin covered him and receives his public commendation as a model cadet without erasing another person's contribution. The incident turns an academy prodigy into someone already acting under a Hero's real stakes. (Chapters 11–14, 20–23)

Competition with Shin Jonghak and Chae Nayun keeps Suho from becoming complacent, while Yi Yeonghan supplies an easier friendship outside those rivalries. Suho leads teams through Cube's examinations and tries to protect classmates when controlled cadets, Djinns, and monsters turn training into danger. His great strength does not make every problem soluble: sleeping dust can incapacitate him, distorted spaces can obstruct him, and Hajin's interventions repeatedly alter encounters that were originally supposed to develop Suho alone. He consequently grows within a network of peers rather than along the solitary path written for him. (Chapters 24–26, 36–44, 57–66)

Misteltein and the hidden world

During summer break Suho remains focused on training and ordinary friendships, but the world beyond Cube becomes harder to ignore. He joins Hajin in a dungeon whose final reward appears to be an unremarkable branch. After defeating the Swordsman of Destruction and a hostile swordsman without killing him, Suho accepts Hajin's conclusion that the branch is the sleeping divine weapon Misteltein. Hajin applies Butterfly Seedling Dust to awaken it and gives Suho the branch, while Suho offers to share it rather than treating the discovery as his unquestioned property. The exchange turns their guarded acquaintance into trust. (Chapters 67, 79–86)

Misteltein immediately changes the scale of Suho's work. The weapon absorbs hostile spirits and grows through demonic enemies, complementing a Gift already suited to cutting magic and unnatural bodies. In the Kwang-Oh Recording Room, Suho fights alongside Hajin, Chae Nayun, Shin Jonghak, and Yi Yeonghan against a reconstructed past and the ghost left by Asura. Misteltein consumes that spirit, while Suho sees Hajin standing amid the aftermath of a battle none of them fully understands. Rather than forcing an answer from him, Suho preserves the uncertainty that increasingly surrounds his unusually capable classmate. (Chapters 96, 100–105)

Hajin later gives Suho the Jar of Greed's remaining use, and Misteltein acquires the Greed of Accomplishment: overcoming difficulty strengthens it, while its form reflects the wielder's character. Its direction reads overwhelmingly as righteousness, a result that embarrasses Suho more than it flatters him. During Cube's final disaster he chooses to enter the distorted forest to rescue cadets once Hajin supplies a pathfinder, then develops a curving sword strike after observing Hajin's bending bullets. His progress therefore joins innate genius to lessons accepted from another fighter instead of presenting mastery as isolated inspiration. (Chapters 135, 139–143)

The Tower of Wish's lower floors

Three years later Suho has become a leading member of Creator's Sacred Grace, yet he still trains with the same directness. At Baekdu Mountain he defeats Chae Nayun decisively and recognizes that her anger is tied to more than losing a duel, although he cannot untangle her relationship with Hajin. Entering the Tower of Wish places him under severe stat restrictions and removes the institutional advantages of Earth. His broken Gift remains powerful, but he must rebuild position through quests, judgment, and cooperation rather than relying on his public rank. (Chapters 147, 158, 165)

Suho advances by gathering people rather than treating the Tower as a private contest. He meets former classmates on the lower floors, introduces Rachel to companions he has found, and becomes a visible center of a growing party. His friendliness produces practical loyalty, while Misteltein compensates for Creator's Sacred Grace's inability to supply him with top-class equipment. The Tower also reveals a limitation in his perspective: his instinct is to solve immediate danger openly, whereas hidden players such as Extra7 and Black Lotus can manipulate economies, routes, and battles without ever standing at the center. (Chapters 171, 180, 185–186)

That difference becomes increasingly important as Suho's party climbs. Black Lotus repeatedly supplies information or distant attacks that keep the group alive, and Suho responds with gratitude mixed with suspicion. He notices a familiarity that does not fit the masked stranger's reputation and considers whether Black Lotus could also come from another world, but he refuses to expose an uncertain conclusion to Jin Seyeon merely to satisfy curiosity. The restraint protects the helper's secret and shows Suho learning that justice sometimes requires withholding judgment until evidence is sufficient. (Chapters 198, 209, 214–218, 238, 242)

The Demon King and the Tower's freedom

On the upper floors Suho's party confronts demons whose bodies cannot always be cut in an ordinary physical sense. Misteltein absorbs and purifies the power of defeated demons, returning energy to its wielder, but the Demon King's Authority stands above Gifts and can suppress Sword Saint's advantage. Suho must depend on pure swordsmanship when that happens. The contest forces him to distinguish the weapon's support from his own skill and prepares him for an enemy who cannot be defeated by relying on a superior attribute alone. (Chapters 242–244)

Before facing the Demon King, Suho tells Hajin the truth he has hidden from almost everyone. He was an abandoned child raised in a rural temple on Akatrina, awakened Sword Saint there, became a royal knight's apprentice, and died when Demon Realm Transformation destroyed the world. His soul then awoke in the body of an Earth child who had died young. Suho loves the parents who raised him in this second life and wants to be their son, yet sharing the past leaves him both relieved and afraid that acknowledging his first identity might betray them. Hajin's uncomplicated belief gives him a confidant without resolving that tension for him. (Chapter 249)

Suho challenges the Demon King repeatedly and loses badly enough that continuing means choosing pain with no guarantee of improvement. He refuses the offered surrender because a fighter unable to pass this wall cannot protect Earth from Akatrina's fate. After many defeats, he recognizes that Sword Saint's promise to cut anything was limited partly by what he believed a sword could target. He cuts away his own doubt and fear, aims beyond the Demon King's weapon toward his soul, and finally wins. The breakthrough is psychological and technical: conviction lets him use a capability that talent alone had never taught him to imagine. (Chapters 252, 256, 261, 263)

Victory gives Suho a decision about the Tower itself. The final administrator explains that destroying its inhabitants would be simpler, but Suho judges that preserving their world is right. He uses Misteltein to cut the conceptual shell that limits the place to being a Tower, allowing its residents and systems to continue without erasing them. Absorbing part of that shell's divine essence completes Misteltein's awakening as the Wish Sword. Suho returns to Earth celebrated as the Tower's conqueror, but conceals the sword's full power from Association officials who immediately press him to disclose his reward. (Chapters 264–266)

Orden and the war for humanity

The Wish Sword gives Suho sword qi and reinforcement without spending his own magic power, and his Tower victory brings the title Swordsman of Wish. Public admiration does not free him from institutions that want to control his strength. The Hero Association delays or redirects his participation, while Creator's Sacred Grace depends heavily on his achievements. Suho nevertheless joins the campaign against Orden on terms centered on protection, not celebrity, working with Yun Seung-Ah and other Heroes even in areas where magic power must be restrained. (Chapters 266, 268–269, 279, 286–289)

When the reconnaissance force plans to assassinate Tigris, Suho watches evidence of the general massacring civilians and asks to face him personally. Aileen permits the duel only with support ready to intervene, placing moral urgency inside a disciplined plan rather than granting Suho unchecked vengeance. Tigris's Formless Tiger Fist initially carries terrifying force, but Suho preserves the clean offense and defense of Sword Saint until the monster's rage weakens. Killing the general breaks one of Orden's principal enforcers and helps destabilize Lupiton, where frightened humans and monsters begin escaping the king's control. (Chapters 291–295)

During the palace assault Suho cuts through humanoid forces and joins Heynckes in piercing Orden's heart. Orden's final attempt to devour him instead exposes Suho's memories, and the two recognize a superficial resemblance: both began isolated from ordinary humanity, but chose opposite responses. Suho explains that Earth's family and friends gave him a reason to belong, whereas Akatrina had left him defining his worth only through a king and a sword. Orden's death therefore confirms a development larger than combat victory. Suho protects Earth because it became his home through relationships, not because a story assigned him its salvation. (Chapters 298–301)

Recreated worlds and Baal's castle

Suho next enters a virtual world patterned on an earlier Earth, where weakened control over magic prevents him from simply cutting through every restraint. He responds to Kaita's capture with negotiation, keeps the more volatile Heroes calm, and works with the group until they escape the false environment. The Demon Realm Gate then assigns him a new role in Leores as the Republic's Sword Commander. Finding himself separated from familiar equipment and allies, he uses the authority of that position to search for other Earth Heroes and prepare the Republic for Baal rather than treating the scenario as a temporary game. (Chapters 312–314, 320, 322–325)

Reunion with Hajin lets Suho connect isolated groups across the continent. He accepts the F-rank sharpshooter because past experience outweighs the scenario's ranking, sends rescued Earth fighters toward him, and meets Yoo Yeonha to plan for Baal. When the first world's population must be evacuated, Suho helps move civilians into the Republic's bunker before entering the Devil's Castle. His position has shifted from the talented combatant whom others organize around to a commander who gathers information, delegates movement, and places noncombatants ahead of the decisive fight. (Chapters 325, 329–331, 339–340)

Inside the castle Suho fights beside former rivals and allies whose histories do not fit simple categories. Jin Sahyuk is connected to Akatrina's Prihi, the king Suho once served and later killed, while Baal's manipulation forces old guilt back into the present. Suho continues upward without allowing uncertainty about Sahyuk to dissolve the coalition. When reinforcements arrive, his golden sword light destroys Death Knights and helps hold the hall long enough for Hajin's attack on the castle. The scenario's collapse returns the fighters to Earth but also enables Baal's incomplete descent there. (Chapters 340–346)

Baal's final descent and the Nine Stars

Baal's descent turns Suho's second enlightenment into a weapon against facts rather than only bodies. When Baal releases a wave of demonic energy, Suho uses Misteltein to cut the fact that the release occurred, erasing the attack as though it had never existed. Baal then reveals that their world began as a novel and offers Suho a bargain: use the god-slaying sword against author Kim Hajin so the world can continue without reaching an ending. Suho learns why Hajin treated him with unreasonable kindness, but refuses to convert that revelation into permission to sacrifice his friend. (Chapters 353, 356, 361–362)

The final battle also proves that conceptual cutting is not unlimited. Suho can nullify Baal's emitted power and repeated counterattacks, yet cannot cut the Devil's will, the action collapsing the barrier, or the protected barrier itself. He instead works with the coalition to strip Baal's defenses and instantly erases the barrier Baal tries to raise against Hajin's god-slaying shot. Hajin's bullet severs Baal's control long enough for the Heroes to complete the annihilation. Suho's role remains decisive, but victory depends on combining his denial of demonic power with the specialized force that he does not possess. (Chapters 362–364)

After evanescence removes Hajin from the world's memories, Suho retains Misteltein but cannot explain the sense that the sword once carried another important connection. He returns to Creator's Sacred Grace, questions an Association assassination order that conflicts with a pardon, and continues prioritizing civilians over ceremonies. He later fights the New Evils at Yoo Yeonha's gathering and receives an invitation to become a successor to the Nine Stars. Even at that summit he thinks first of unfinished responsibilities and Akatrina, accepting that protection is an ongoing duty rather than the closing reward of a completed story. (Chapters 366, 368, 371, 373–374, 377)

Appearance and personality

Suho has brown hair and a youthful, approachable appearance that contrasts with the intensity of his training and swordsmanship. By the Demon King battle his hair has grown long enough for the King to touch it, while formal occasions later show him in a swallow-tail coat. His posture and movement become markedly controlled once he draws a sword, shifting from an easy smile to the concentration associated with Sword Saint. (Chapters 4, 147, 263, 373)

He is modest in material habits, uncomfortable with exaggerated praise, and instinctively courteous. Those qualities do not make him passive: cruelty can make him ask to confront an enemy personally, and a choice he regards as right rarely requires prolonged calculation. His occasional romantic density and difficulty interpreting Chae Nayun's feelings provide a mundane counterweight to the clarity he brings to moral and martial decisions. (Chapters 3, 67, 147, 264, 291)

Suho's defining trait is perseverance grounded in responsibility. Repeated defeat by the Demon King produces pain and despair, but not surrender, because he connects winning to preventing a second Demon Realm Transformation. Later revelations refine that responsibility rather than breaking it. Learning that he was written as a main character does not make other lives seem fictional to him, and losing Hajin from memory does not erase the habits of service that their friendship helped strengthen. (Chapters 249, 252, 256, 361–362, 366–377)

Gifts and abilities

Suho's swordsmanship combines the weapon-class Gift Sword Saint, two enlightenments, personal technique, and the evolving divine weapon Misteltein. The Gift establishes an extraordinary relationship with swords; the weapon expands the kinds of targets his sword can affect; and experience teaches him that his own assumptions can restrict an otherwise broader capability. (Chapters 5, 79–86, 140, 249, 261–266, 356)

Sword Saint

Suho first awakens Sword Saint as a child in Akatrina and again understands it through enlightenment on Earth. The Gift grants what the narration calls the world's protection concerning swords. At its early demonstrated level, his blade can cut water, fire, wind, hostile magic power, and beings that ordinary physical attacks cannot affect. It also strengthens his intuitive handling of swords and the sword magic through which he attacks and defends. His curved strike, developed after observing Hajin's bullets, shows that the Gift does not replace learning or experimentation. (Chapters 5, 12, 86, 105, 140, 249)

Sword Saint develops through use and through Suho's second enlightenment. Fighting the Demon King teaches him to target fear, doubt, souls, and eventually abstract events rather than only physical matter. The later title “Authority of the Sword Saint” reflects the transcendent scale of this cutting, but the story continues to show it through sword actions rather than explaining a separate power source. Misteltein acts as the usual focus, especially for techniques learned from its secret sword, while Suho remains a formidable swordsman when a superior Authority suppresses the Gift. (Chapters 244, 252–263, 356, 363–364)

The Gift has contextual limits rather than a simple promise of automatic victory. Demon King Authorities can stand above Gifts and force Suho to rely on pure technique. Orden identifies that Suho can cut magic already emitted into the world but cannot simply intercept power kept inside an enemy's body. Baal's protected barrier and will also resist his attempt to cut the action collapsing reality. These failures establish that “cut anything” depends on what Suho can meaningfully target, the opponent's state, and protections above his current reach. (Chapters 244, 300, 356, 363)

Misteltein and the Wish Sword

Misteltein begins as the branch left after the Swordsman of Destruction falls. Butterfly Seedling Dust triggers its first awakening, turning the branch black and revealing a divine weapon associated with killing a god. It absorbs hostile spirits and demonic existences, purifies their power, and can return energy to Suho. The Jar of Greed later adds the Greed of Accomplishment, strengthening Misteltein as its wielder overcomes difficulty and changing its form in accordance with Suho's overwhelmingly righteous character. (Chapters 79–86, 105, 135, 143, 244)

When Suho cuts away the Tower of Wish's shell, Misteltein absorbs its divine essence and completes its awakening as the pinnacle-grade Wish Sword. The awakened form carries fighting, light, and holy attributes and can generate sword qi and reinforcement without drawing on Suho's magic power. Together with Sword Saint it can cut space and time. Suho hides these gains from the Association, even cutting an investigator's lie-detection Gift so that his deliberately limited answer becomes true, because official interest in the Tower reward is coercive rather than protective. (Chapters 264–266)

Misteltein remains a weapon rather than an unlimited solution. Its absorption requires suitable evil or spiritual targets, its growth is tied to difficulties actually overcome, and even its final form cannot make Suho's conceptual cuts succeed against every transcendent defense. It nevertheless remains his constant focus after the Tower, channels the secret technique associated with his second enlightenment, erases Baal's demonic wave, and later makes him feel that something important has been forgotten after Hajin's erasure. (Chapters 266, 294, 356, 363, 366, 374)

Conceptual and factual cutting

Suho's conceptual cutting grows from the literal breadth of Sword Saint and the realization that his mindset had confined it to physical targets. He first demonstrates the broader principle at decisive scale by cutting the shell that defines the Tower as a Tower. He later cuts a lie-detection Gift and makes his answer factually true, then erases Baal's released demonic energy by cutting the fact of its release. These uses affect an established condition or event through a sword stroke; the source does not define them as unrestricted reality rewriting. (Chapters 261, 264, 266, 356)

Against Baal, the technique becomes both shield and battlefield control. Suho nullifies the Devil's waves and newly raised defenses, allowing allies to attack without every gain being reversed. Yet when he tries to cut Baal's ongoing action, will, or world-protected barrier, the stroke cannot reach the desired result. The contrast is crucial: Suho can negate many manifested facts, but a target anchored by transcendent protection or an intact will can exceed what his current Authority can sever. (Chapters 356, 361–364)

Power progression

Relationships

• Kim Hajin: Suho moves from friendly classmate to one of the few people trusted with Hajin's interventions and Suho's Akatrina origin. Hajin guides him to Misteltein, strengthens the sword, supports him through the Tower, and ultimately relies on Suho to suppress Baal. Suho rejects Baal's invitation to turn the god-slaying sword against Hajin, although evanescence later removes his conscious memory of that friendship. (Chapters 12–14, 79–86, 135–143, 249, 361–366)
• Chae Nayun: Nayun is Suho's friend, training rival, and frequent comrade from Cube through Baal's defeat. He recognizes her determination and distress but is consistently poor at reading the romantic and personal tensions around her. Their complementary sword styles later place them together at the center of the final coalition. (Chapters 4, 12, 67, 147, 300, 347–364)
• Shin Jonghak: Jonghak begins as Suho's competitive opposite at Cube. Their rivalry matures into cooperation, and by the Baal crisis they can use banter to steady themselves before entering battle together. (Chapters 2, 5, 9, 36–44, 279, 343, 356)
• Yun Seung-Ah: As Creator's Sacred Grace's leader, Seung-Ah gives Suho a guild home whose fortunes become closely tied to his achievements. Suho remains loyal while retaining his own moral judgment, and she later accepts that succession to the Nine Stars will eventually take him beyond guild membership. (Chapters 72–78, 147–171, 265–266, 368, 377)
• Jin Sahyuk: Sahyuk is tied to Prihi, the Akatrina king Suho failed to protect and later killed. That past makes them enemies and uneasy mirrors before circumstances force cooperation against Baal. Suho cannot fully restore or repair the old relationship, but he refuses to let its guilt override the present world's survival. (Chapters 238–249, 300, 340–347, 350–366, 374, 377)
• Baal: Baal destroys worlds through Demon Realm Transformation and tries to turn Suho's role as main character against Hajin. Suho answers the revelation through action, using the same sword Baal identifies as a god-killing weapon to defend his companions and deny the Devil's attacks. (Chapters 249, 331, 339–364)

Items

• Misteltein — Suho's god-slaying divine weapon, acquired as a branch, awakened with Butterfly Seedling Dust, strengthened through the Greed of Accomplishment, and completed as the Wish Sword after absorbing the Tower of Wish's shell. It is his principal weapon and the focus of his most advanced cutting techniques. (Chapters 84–86, 105, 135, 143, 244, 264–266, 356, 363–366)
• Refined Misteltein Bullets — Misteltein sheds the leaf from which Hajin's ammunition is made, but Suho never owns or fires the bullets. His association is solely as the owner of their source weapon. (Chapters 84–86 and 118)