Kim Hyun-Seok

Kim Hyun-Seok is the Master of the Raven Knights Order, the Republic of Korea's foremost Highest Tier Knight, and the father of Kim Yu-Rin. His belief that command must remain impartial creates years of distance between them, but shared crises, battlefield instruction, and his growing willingness to express pride gradually turn their superior-subordinate relationship back toward one between father and daughter.

Biography

Red Moon and unstable evolution

Kim Hyun-Seok establishes emotional distance as a condition of Yu-Rin's Knight career. When she enters the Raven Order as a high-school freshman, he removes her from the family home despite her pleas and thereafter treats her more harshly than a stranger in official matters. After nearly four years without summoning her to his office, he assigns her to navigate the international struggle over access to an Athany doll because her connection to Sae-Jin makes her the most suitable representative. Yu-Rin interprets the assignment as complete professional trust and almost calls him “father,” but corrects herself to “Master,” showing that his confidence has not yet repaired the familial divide created by a decade of enforced discipline. (Chapter 63)

During the Red Moon, Hyun-Seok's command responsibilities make that divide consequential. He issues the resolute order that begins the defensive battle, then continues directing the first line when a collapse and hostile isolation magic make Yu-Rin and dozens of Knights disappear. Although he is the person with the strongest personal reason to search for them, he refuses to sacrifice the remaining formation to that desire. He orders a retreat to the final defensive line because the first can no longer be held, stating only that Yu-Rin has endured hardship throughout her life and will somehow return. The decision preserves military readiness while revealing how completely he suppresses visible fear beneath confidence in her resilience. (Chapters 76 and 78)

That restraint softens once all thirty-seven missing Knights return safely. Hyun-Seok meets Yu-Rin with a smile, praises her despite his usual miserliness with approval, pats her shoulders, and thanks her for working hard. His words are brief, but they move her to tears precisely because affirmation from him has been so rare. By inviting her to go home, he permits paternal relief and professional recognition to occupy the same moment. Their established hierarchy remains—she still answers him as “sir”—yet his open pride begins to undo the premise that being an impartial Order Master requires behaving as though she is not his daughter. (Chapter 80)

Vampire schemes and Jin Seh-Hahn

As escalating Monster incidents test Korea's leading Knights, the Raven Order acquires Gram at auction and loans it to Hyun-Seok for ten years. Its first documented battle is the emergency defense against a Flesh Golem moving toward Busan. Hyun-Seok rejects the hope of Hero Orc aid because the creature's route is different from earlier attacks, coordinates Raven and military forces, orders the Golem drawn onto the beach, and limits the tanks to a single volley before withdrawal so that they do not obstruct the Knights. Even while preparing to fight, he notices damage to Yu-Rin's thirty-year-old sword and urges her to ask Sae-Jin for a replacement. His conspicuous pride in Gram is comic, but the advice is practical: he wants her equipment to match the danger and her standing rather than merely remain usable through Mana. (Chapters 88 and 109)

When an unknown water Titan attacks the Flesh Golem, Hyun-Seok does not remain paralyzed by its appearance. He identifies the opening, orders every Knight to charge, advances personally, and fires a powerful flame from Gram that cuts deeply into the Golem's arm. The Titan and gathered Knights then destroy the target with unusually low casualties, after which Hyun-Seok immediately orders the exhausted force to clear its remains. The battle displays decisive command and the offensive value of his new sword, but it does not support claiming that he defeated the Boss alone: Sae-Jin's concealed Leviathan form creates the Titan, dominates the central clash, and gives Hyun-Seok's force the opportunity to concentrate its attack. (Chapters 109–110)

Hyun-Seok's advice leads Yu-Rin to commission Gungnir from Kim Sae-Jin, linking his mentorship to the smith whose work already armed him. At its conferment ceremony, he is sincerely pleased for her despite visible envy, asks how its light arrows interact with her Trait, and recognizes that it was tailored specifically for her. His joking concern over whether Gungnir or Gram is the superior legendary weapon makes the once severe parent appear almost boyish to Yu-Rin. He also greets Sae-Jin first, calls meeting the accomplished younger man an honor, and participates in the Raven Order's extensive publicity around both weapons. The episode completes a quieter evolution: Hyun-Seok still evaluates Yu-Rin as a commander concerned with combat readiness, but now does so as a father able to celebrate her obtaining a weapon that may surpass his own. (Chapters 120–121)

Exhibition, Fissure war, and aftermath

In the final defense, Hyun-Seok serves as supreme commander of the gathered forces while covered in blood and dirt after five continuous days without rest. New Monsters emerge from the Fissure, existing Monsters run wild under the Dimensional Devourer's influence, soldiers are destroyed in a single blow, and exhausted Knights begin losing their composure. Hyun-Seok asks whether the defenders have enough freedom to direct all attacks at the Devourer, but the report from the line confirms that their full capacity is already required merely to contain the other threats. His command is therefore reduced to an impossible allocation problem: the force can protect the battlefield from collapse or watch the main enemy, but cannot meaningfully do both. (Chapter 172)

Hyun-Seok nevertheless refuses retreat because the Knights and military are the civilians' psychological last line of defense. He believes abandoning the position would destroy the faith on which the country and world depend, and chooses to repay the public's trust by holding even when he can see deserters and feels the inadequacy of his own power for the first time. Gripping his sword and maintaining the line cannot defeat the Devourer, but it keeps organized resistance in place until Bahamut arrives and destroys the creature. His final portrayal thus reconciles the values that once competed in his family life: discipline is no longer emotional denial for its own sake, but the means by which a protector remains at his post for people whose lives and confidence depend upon him. (Chapter 172)

Appearance and personality

The supplied chapters do not describe Hyun-Seok's hair, eyes, height, or ordinary clothing. Yu-Rin publicly calls him a man in his fifties during a joking argument, and her internal view describes him as capable of looking extremely stern. His only detailed battlefield appearance comes after five days of final combat, when unidentified blood and dirt cover him from head to toe. These details establish his approximate age, habitual severity, and exhausted condition, but do not support a fuller physical portrait. (Chapters 120–121 and 172)

Hyun-Seok is disciplined, controlled, and willing to make personally painful decisions in order to preserve command impartiality. He removes Yu-Rin from home when she joins Raven, treats her especially harshly on official matters, and retreats from a position where she is missing because the surviving force must prepare for the next battle. His severity is not indifference: he entrusts her with sensitive work, believes she can survive when others doubt it, and visibly relaxes into praise and physical affection once she returns. (Chapters 63, 78, and 80)

His public reserve coexists with competitiveness and understated humor. He reacts bitterly when the rival Dawn Order receives attention, proudly shows off Gram to Yu-Rin during an emergency, and wants reassurance that his weapon outranks her Gungnir. He can also make an unintentionally cutting observation about her age, then laugh rather than engage her outrage. These moments make him less emotionally remote as their relationship improves, while his conduct toward Sae-Jin remains formally respectful and institutionally minded. (Chapters 109 and 120–121)

At his core, Hyun-Seok treats authority as an obligation to other people. He keeps giving clear orders after casualties, directs exhausted Knights through cleanup, and remains at the final line when fear and fatigue cause others to flee. The final battle also exposes the limit of this self-command: he openly groans at the tactical impossibility and recognizes that his strength is inadequate against the Devourer. He persists without pretending that resolve alone can supply the missing power. (Chapters 78, 110, and 172)

Traits and abilities

Hyun-Seok is identified as the Raven Order's Highest Tier Master, the second-ranked Knight in the world, and the highest-regarded Highest Tier Knight in the Republic of Korea. Those titles establish exceptional combat standing, but the supplied chapters show only a narrow sample of his direct fighting. They do not provide numerical attributes, a complete technique list, a progression history, or the name and mechanics of his Trait. (Chapters 63 and 74)

Trait and the Hyunseo Sect

Hyun-Seok founded the Hyunseo Sect, an orthodox school of combat described as being based on his Trait. Orthodox warriors follow their school's prescribed guidelines rather than relying wholly on instinct, and Yu-Rin is one of the prominent Knights trained in his system. This gives his Trait influence beyond his own body: whatever its effect, it supplied the foundation for a repeatable martial discipline taught to other Raven Knights. The corpus does not identify the Trait, explain how it changes movement or Mana, or show Hyun-Seok activating it, so no more specific mechanic can be attributed to him. (Chapter 74)

Knight combat and Mana

As a Highest Tier Knight, Hyun-Seok fights at close range with a sword and joins coordinated Mana-based assaults. During the Flesh Golem battle he unsheathes Gram, charges with the other Knights, and fires the sword's flame attack into the target before the formation follows with focused weapon auras. The source does not isolate a named sword technique, describe his Mana Barrier, or show a solo duel from which his speed, endurance, and defensive limits can be measured. His reputation and rank imply broad mastery within the setting's Knight system, but only the charge and Gram-assisted strike are directly demonstrated. (Chapters 109–110)

Gram-assisted offense

Gram can release a powerful fireball from its blade, and Hyun-Seok uses that effect to open a deep wound in the Flesh Golem's arm. The attack works as part of a combined assault rather than ending the fight, and the bundle does not specify whether it consumes Hyun-Seok's Mana, stored power in the sword, or both. It likewise gives no recharge period, maximum range, or frequency limit. Because the flame originates from Gram, it is equipment-derived and should not be treated as proof that Hyun-Seok possesses innate fire magic. (Chapters 88 and 109–110)

Command and battlefield judgment

Hyun-Seok repeatedly commands multi-unit defenses through communication crystals and direct orders. He recognizes when a position has become unrecoverable, preserves the remaining force for a later line, assigns military armor a limited role around Knights, exploits an unexpected ally's attack window, and restores operational discipline after victory. These are trained leadership applications rather than supernatural powers, but they allow a force containing different Orders and military units to respond coherently during rapidly changing Boss encounters. (Chapters 76, 78, and 109–110)

His command has concrete limits. During the Red Moon he cannot retrieve Knights trapped behind hostile isolation magic without sacrificing the defensive posture, and during the final battle five days of attrition leave his forces capable only of holding lesser threats. Against the Dimensional Devourer he cannot create an opening for concentrated attack and admits the inadequacy of his own strength. His latest combat state is therefore one of continued command and resistance, not personal victory. Traits disappear after Bahamut ends the crisis, but the supplied chapters do not return to Hyun-Seok afterward, so they do not establish his post-Trait fighting ability, office, or retirement status. (Chapters 78 and 172)

Relationships

• Kim Yu-Rin: Hyun-Seok is both Yu-Rin's father and her Order Master. He initially insists on a severe hierarchy that leaves her calling him “Master,” but his trust during sensitive assignments, pride after her survival, advice about replacing her sword, and delight in Gungnir gradually restore a paternal dimension to their professional bond. His orthodox Hyunseo Sect also forms the basis of her Knight training.
• Kim Sae-Jin: Hyun-Seok first benefits indirectly from Sae-Jin's work when Raven acquires Gram from the Orc Blacksmith, then advises Yu-Rin to approach Sae-Jin for her own replacement weapon. At Gungnir's ceremony he treats Sae-Jin as an accomplished peer worthy of public respect, although the source does not establish that Hyun-Seok learns the connection between Sae-Jin, the Orc Blacksmith, and the Leviathan that assisted his battles.

Items

Gram

Gram is a Treasure-grade sword forged by the Orc Blacksmith with a long, pure-white mithril blade and golden hilt. The Raven Knights Order wins it at auction for $165 million and loans it to Hyun-Seok for ten years, making him its institutional wielder rather than its stated private owner. The weapon is ranked thirtieth in a contemporary list of the world's hundred best weapons. In its first documented battle, it shines brightly and launches a fireball that deeply wounds a Flesh Golem. The source does not specify its complete ability set, activation mechanism, maintenance needs, or what becomes of the loan after Traits disappear. (Chapters 88, 109–110, and 172)