Chapter Summaries

Summary

Kashima Taro declines Tetsu no Sosuke’s offer to rest at the Hammer Hut, explaining that he has another mission and has only stopped by on the way. He expects his new blade to be ready when he returns. Tetsu briefly considers asking to accompany him, but recognizes that Taro’s mission and life are his own to face. He watches him leave, then returns to the forge and begins working on the blade.
That evening, Tetsu tells his wife, Kanae, about the encounter. Kanae reflects that everyone’s lives have changed over time: Tetsu has become a Pillar and a swordsmith, she has become his wife, and Shinobu has grown close to him. Taro’s return made those changes feel sudden because Tetsu had not seen him in a long while. Her insight prompts Tetsu to enter Meditation.
The chapter then jumps to the next morning. Shinobu is left holding a broken half-blade after Tetsu’s strike and asks what is happening; the excerpt ends before she receives an explanation.

Character developments and interactions

• Tetsu no Sosuke recognizes that caring for someone does not mean he can take over their struggles. He also begins to understand how time and change have reshaped his relationships and identity.
• Kashima Taro remains independent and focused on his mission, while looking forward to the blade Tetsu is making for him.
• Kanae offers a calm, perceptive perspective that helps Tetsu make sense of his feelings.
• Tetsu and Shinobu are shown together in an unexplained morning encounter, setting up a new development.

Significant themes

• Independence and responsibility: People must face their own lives; others can offer support, but cannot live for them.
• Change over time: Relationships and identities evolve continuously, even when the changes go unnoticed.
• Absence and reunion: Seeing someone after a long separation makes accumulated change especially vivid.

Key plot points and events

• Tetsu no Sosuke tests a newly developed Sword Form with Shinobu Kocho, who is curious despite her resentment toward him for taking her older sister away the previous night.
• Sosuke gives Shinobu a practice sword rather than her Nichirin Blade. He cuts through three of her blades in succession, demonstrating the new technique.
• He explains that the form was born from an insight during meditation: everything is constantly changing, including an opponent’s movements and weaknesses. To succeed, he must catch that instant of change, perceive it, and break through it.
• Sosuke names the Sixth Form Endless Years. With its completion, he has finished all seven forms of his Log Breathing.

Character developments

• Tetsu no Sosuke has resolved a flaw in the technique he had been struggling to complete. His realization that change itself must be accounted for allows him to develop a more adaptable and powerful form.
• Shinobu Kocho shifts from hostility to keen interest when Sosuke mentions a new Sword Form, though she remains on guard as she tests it.

Significant themes

• Change and impermanence: Nothing—not even an opponent’s weakness—stays fixed.
• Perception and timing: Sosuke’s technique depends on catching a fleeting moment, understanding it, and acting decisively.
• Completion through insight: A breakthrough in understanding allows Sosuke to finish the set of forms he has been developing.

Character interactions

• Shinobu’s personal resentment contrasts with her professional curiosity about Sosuke’s technique.
• Sosuke demonstrates the form directly against her, using repeated blade-breaking clashes to show its effectiveness.
• The chapter lists all seven Log Breathing forms and notes that the Fifth and Sixth may be considered Arcane Skills.

Key plot points and events

• Tetsu no Sosuke reflects on the seven Sword Forms he created through years of dangerous battles, feeling proud of the effort behind them.
• He demonstrates his newly perfected form, Endless Years. A light touch from the blade shatters a large stone.
• He explains that the technique is not limited to destroying weapons, despite Shinobu’s doubts that it would help against unarmed demons such as Akaza.
• Tetsu tries the technique on a tree. His first attempt fails, but a second strike splits the tree and brings down part of a courtyard wall.
• Shinobu stops him before he can test the move on her house. The fallen tree and damaged wall draw Koizumi Reiko and others outside, and the courtyard descends into confusion.

Character developments

• Tetsu no Sosuke shows pride in the hard-won Sword Forms he developed, and confidence that Endless Years will change future battles. His enthusiasm also makes him careless about the damage his demonstrations cause.
• Shinobu Kocho is impressed by the technique’s power but remains practical, questioning its usefulness and stepping in when Tetsu’s demonstration threatens the house.

Significant themes

• Hardship and mastery: Tetsu’s techniques embody knowledge gained through repeated life-threatening battles.
• Power and responsibility: A formidable skill can cause unintended harm when demonstrated without restraint.
• Pride tempered by humor: Tetsu’s triumph is undercut by his awkward attempts to explain—and control—the technique.

Character interactions

• Shinobu challenges Tetsu’s claims and asks what Endless Years can do beyond breaking weapons.
• Tetsu answers with demonstrations, while Shinobu alternates between astonishment and exasperation.
• Shinobu physically restrains him to protect the house; the others arrive afterward, worried by the apparent disturbance.

• Aftermath of the test: Kanae and Kiyo Terauchi arrive to investigate the fallen tree. Tetsu no Sosuke grabs them and hurries back to his courtyard, leaving Shinobu Kocho to explain the damage. He admits he had tested his newly completed Sword Form on Shinobu; her reaction suggests she now understands its power. Kanae sends Kiyo to help clean up and make use of the timber.
• Limits of the new Sword Form: Kanae asks whether the technique could defeat Muzan. Sosuke concludes it is still insufficient: Endless Years can shatter what it strikes, but Muzan’s regeneration may overcome it. Sosuke believes sunlight remains the surest way to kill Muzan, making Nakime’s death—and progress on related research—important.
• Character development and relationships: Sosuke is proud of his new technique but realistic about its limits and determined to keep improving. Kanae responds with calm encouragement, urging him to take things one step at a time. Their familiar, affectionate dynamic contrasts with Sosuke’s sheepish escape from the trouble he caused. He later avoids facing Shinobu and rushes to the Sword Forging Shed to compete with Yuichiro for its use.
• New development: Two days later, Sosuke finishes shaping a Nichirin Blade for Kashima Taro. It is shorter than a standard blade, narrow, and keen-edged.
• Themes: The chapter emphasizes gradual progress against an overwhelming enemy, the need to match strength with strategy, and the personal consequences of experimentation.

Plot points and events

• Tetsu no Sosuke finishes a Nichirin Blade for Kashima Taro. Its sharpness is much like his own blade’s, while most other qualities have improved slightly; Sunblaze is the exception.
• Yuichiro studies the finished weapon, comparing its construction with his own work. Seeing his enthusiasm, Tetsu lets him use the Sword Forging Shed and arranges a second workstation.
• Tetsu worries when Taro does not return for several days, but Taro eventually comes back with additional wounds and a smile.
• Tetsu tells Taro the blade is ready and urges him to value his life above the weapon. He offers to make or repair another blade if needed.

Character developments and interactions

• Yuichiro shows growing skill and intense curiosity about forging, learning from Tetsu’s methods and results.
• Tetsu no Sosuke proves both generous as a mentor and deeply concerned for those he cares about. He makes room for Yuichiro in the workshop and speaks candidly to Taro as a friend.
• Kashima Taro returns from danger wounded but upbeat. He waits respectfully for Tetsu to explain his hesitation before taking the sword.

Significant themes

• Mentorship and craft: Yuichiro learns through close observation, while Tetsu supports his development.
• Friendship and concern: Tetsu’s warnings reveal how strongly he fears losing Taro.
• Survival over possessions: The blade matters, but Tetsu insists that Taro’s life matters more.

Chapter summary

• Kashima Taro leaves the Hammer Hut: Tetsu no Sosuke regrets not knowing of Kotani Tetsuya’s death sooner, though he recognizes that attending the funeral would not have changed what happened. Kashima listens, promises to be careful, and accepts Sosuke’s offer to stay or ask for help. He then takes his Nichirin Blade and departs.
• An uncertain parting: Sosuke wonders when—and under what circumstances—he might see Kashima again. Kashima never writes, and Sosuke deliberately avoids asking about him, hoping that leaving him unobserved may allow him to live safely.
• Sosuke returns to his routine: He continues life as a swordsmith, diligently honing his craft. Some time passes.
• A new mystery—and a sudden threat: Sosuke notices that Shinobu Kocho has been leaving early and returning late. He speculates that she may be involved in a plot or may have fallen in love. Just as he reassures himself that she would not attack him, a rush of wind comes from behind.

Character developments and interactions

• Tetsu no Sosuke shows regret over Kotani’s death and concern for Kashima, but chooses to respect Kashima’s distance. Later, his thoughts turn to Shinobu’s unusual schedule, revealing his wary, comical suspicion of her.
• Kashima Taro accepts Sosuke’s support and leaves with renewed composure, though his future remains unknown.
• Sosuke and Kashima share a quiet, respectful farewell: Sosuke offers help without demanding contact, while Kashima thanks him and departs.

Significant themes

• Loss and regret: Sosuke reflects on the limits of what he could have done after Kotani’s death.
• Respectful distance and hope: Sosuke avoids prying into Kashima’s life, believing silence may help him stay safe.
• Uncertainty and change: Their future reunion is left unresolved.
• Tonal shift: The reflective farewell gives way to lighthearted suspicion and a sudden cliffhanger.

Chapter 336: “Let’s Begin”

• Plot: Tetsu no Sosuke is ambushed at home by Sanemi Shinazugawa, the Wind Pillar. Sanemi attacks without explanation, forcing Sosuke to dodge and defend himself. Sosuke demands to know what is going on, but before the conflict can be clarified, Kyojuro Rengoku appears and warns him to watch out as flames flare around them.
• Character developments: Sosuke’s battle instincts kick in despite his shock, and he skillfully evades Sanemi’s strikes. Sanemi is shown as suddenly aggressive and relentless, though he briefly reacts to Sosuke’s protest.
• Interactions: Sosuke and Sanemi clash directly, with Sosuke questioning the reason for the attack. Rengoku joins the scene, suggesting the confrontation is about to escalate.
• Themes: The chapter emphasizes sudden danger, mistrust, and the tension between personal relationships and the demands of conflict. The reason for Sanemi’s attack remains unresolved.

Plot points and events

• Tetsu no Sosuke defends himself against Kyojuro Rengoku’s Flame Tiger attack with two Sun Breathing forms, and the three swordfighters clash in a brief, evenly matched exchange.
• Though their blades tear up each other’s clothing, all three deliberately avoid injuring one another.
• Rengoku suddenly demands, “Pay up!” Sosuke assumes the Pillars have come to rob him, but Sanemi explains that they are the ones who will pay.
• Before Sosuke can make sense of this, Rengoku and Sanemi press him with a fierce two-on-one attack, keeping him on the defensive.
• Sosuke finally unleashes his sword form Endless Years. It shears both Pillars’ Nichirin Blades down to half-length. The pair stop fighting and acknowledge the form’s danger.

Character developments and interactions

• Sosuke shows strong defensive skill and restraint, but loses patience under the combined assault and reveals the full cutting power of Endless Years.
• Rengoku is enthusiastic and direct, rushing back into the fight to demand payment; despite his forceful style, he avoids harming Sosuke.
• Sanemi joins the attack and offers a cryptic clarification that he and Rengoku intend to pay Sosuke, not collect from him.
• Rengoku and Sanemi coordinate their pressure on Sosuke, then recognize that the Insect Pillar’s warning about his sword form was justified.

Significant themes

• Restraint amid conflict: The fighters exchange powerful attacks but intentionally avoid drawing blood.
• Miscommunication and humor: Sosuke interprets “pay up” as a robbery, even though the Pillars mean they owe him money.
• Power and respect: Endless Years abruptly shifts the balance of the fight and earns the Pillars’ recognition.

Key plot points and events

• The Flame Pillar, Kyojuro Rengoku, and the Wind Pillar, Sanemi Shinazugawa, decide to “pay” Tetsu no Sosuke for forging their Nichirin Blades by giving him a beating.
• They explain that Master Ubuyashiki said they should offer something in return for his work. Shinobu Kocho suggested the beating after telling them Sosuke had created a powerful new Sword Form and seemed overconfident about facing Muzan.
• Sosuke realizes Shinobu is behind the misunderstanding and calls out her name, but Rengoku discourages him from confronting her, saying she would be upset to watch.
• The two Pillars begin fighting Sosuke. After roughly two hours, Shinobu listens from nearby and grows anxious that they may injure him or provoke his anger.

Character developments

• Sosuke is presented as powerful and confident, but also quick to recognize that something has gone wrong—and furious when he learns Shinobu instigated the attack.
• Rengoku is cheerful and well-meaning, treating the beating as friendly guidance.
• Sanemi is blunt and confrontational, convinced Sosuke’s confidence needs correcting.
• Shinobu initially sets the plan in motion partly to vent her frustration, but soon regrets it and worries about the consequences.

Character interactions

• Rengoku and Sanemi unite in trying to humble Sosuke, while Sosuke protests that they should clarify their purpose first.
• The explanation reveals Shinobu’s role in portraying Sosuke as dangerously arrogant.
• Shinobu remains at a distance, listening as the fight continues and fretting about Sosuke’s safety and possible reaction.

Significant themes

• Good intentions and miscommunication: A promised payment becomes an unwanted beating because the Pillars interpret “repayment” in an unconventional way.
• Pride and responsibility: The Pillars fear Sosuke’s confidence could endanger him on missions.
• Regret and consequences: Shinobu’s attempt to exploit an opportunity for payback turns into a source of genuine worry.

• Key events: The Master asks the Pillars to visit blacksmith Tetsu no Sosuke and reforge their Nichirin Blades, offering training or shared techniques as payment. Shinobu arranges for the Wind and Flame Pillars to train Sosuke in fighting multiple opponents and dealing with surprise attacks. Worried the training will hurt him, she rushes to stop it—but Sosuke grabs her by the ankle and swings her around as a weapon. Shinobu becomes violently dizzy and vomits, forcing the other two Pillars to retreat. The Wind Pillar concedes defeat, and Sosuke ends the bout with the advantage.
• Character developments: Shinobu’s attempt to help becomes an unexpectedly disastrous intervention. Sosuke shows he can fight resourcefully and unpredictably, though his ferocity makes him seem liable to forget who is on his side. The Wind and Flame Pillars are startled by his unconventional tactic.
• Character interactions: Shinobu sets up the training, then tries to interrupt it out of concern for Sosuke. Sosuke uses her against the two Pillars; the Wind and Flame Pillars avoid her and ultimately call the match.
• Themes and tone: The chapter plays the idea of mutual training and cooperation for laughs, turning an earnest exchange of skills into chaotic slapstick. It also highlights improvisation in combat—and the risks of training that gets out of hand.

Key plot points and events

• Shinobu Kocho is left dizzy after the earlier confrontation. She tries to find Tetsu no Sosuke, vomits, and discovers that he has already left with the Wind and Flame Pillars.
• The Flame Pillar explains to Tetsu that Shinobu meant well. The Wind Pillar adds that Tetsu should appreciate having her as a sister-in-law.
• The Wind and Flame Pillars have come to ask Tetsu to forge new Nichirin Blades, with the same requirements as before.
• When the Wind Pillar implies their previous encounter counts as payment, Tetsu refuses. Instead, he proposes forging their blades in exchange for daily training together.

Character developments

• Tetsu no Sosuke reflects on how much he still needs to improve after facing Kibutsuji Muzan. He turns the blade-making request into an opportunity for all three men to grow stronger.
• Shinobu Kocho is embarrassed and furious at being left behind, but the others regard her actions as well-intentioned.
• The Wind and Flame Pillars agree to train with Tetsu, though their contrasting reactions—one hearty and one reserved—remain evident.

Significant themes

• Growth through cooperation: Training with skilled peers can help each person address weaknesses and improve.
• Reciprocity and fairness: Tetsu rejects inadequate payment and proposes a mutual exchange of labor and training.
• Good intentions and teasing: Shinobu’s meddling is treated as misguided but caring, while the group’s banter softens the tension.

Character interactions

• Shinobu angrily vows to confront Tetsu, but he has already escaped with the two Pillars.
• The Flame Pillar defends Shinobu’s intentions, while the Wind Pillar teases Tetsu about her being his sister-in-law.
• Tetsu jokes about the Pillars’ synchronized answers, then negotiates an arrangement: he will forge their blades, and they will train together daily.

Key plot points and events

• After seeing the value of their earlier fight, Tetsu no Sosuke proposes replacing the two-against-one training with a three-person free-for-all.
• He explains that the combat should be guided by chaos and changing targets: fighters attack one another in shifting patterns, while any exposed opening can prompt the other two to team up. Once the target survives the combined attack, the fight returns to a shifting three-way contest.
• The Wind and Flame Pillars recognize that the method could improve their swordsmanship, adaptability, defense, and ability to spot and exploit openings. They agree to try it.
• Shinobu Kocho arrives and asks to join. Sosuke teases her about having stopped throwing up and reminds her that she still owes him an explanation for what happened earlier. Despite their bickering, he lets her participate, provided her injuries can withstand the training.

Character developments

• Tetsu no Sosuke shows strategic creativity, turning lessons from the previous fight into a training system aimed at broad combat skills. He also reveals concern for Shinobu’s health.
• The Wind and Flame Pillars are initially curious, then enthusiastic as they understand the training’s potential.
• Shinobu insists on joining and deflects Sosuke’s teasing with playful confidence, but privately wonders why he seems concerned about her.

Significant themes

• Adaptability amid uncertainty: Shifting targets and alliances force fighters to respond rather than rely on fixed patterns.
• Learning through conflict: Fighting one another can reveal weaknesses and build practical skill.
• Care beneath rivalry: Sosuke and Shinobu trade barbs, but his warning not to push herself suggests concern beneath their antagonism.

Character interactions

• Sosuke explains his training plan to the Wind and Flame Pillars, who question it and then agree.
• Shinobu and Sosuke exchange teasing accusations over her earlier actions; she claims she helped him, while he demands an explanation.
• Their banter ends with Sosuke allowing her to join, though he cautions her to respect her injuries.

• After spending time with the Flame and Wind Pillars, Tetsu no Sosuke hosts a small welcome feast. The Wind Pillar’s earlier resentment gives way to respect after hearing how decisively Sosuke ordered the mine evacuated on incomplete information—an order vindicated when Muzan appeared.
• The gathering is warm and cheerful, with Kanae glad to see her former colleagues. Sosuke and Kanae return to their room late, and Kanae—unusually energetic—keeps him up chatting.
• Kanae brings up Shinobu’s attempt to have people hit Sosuke. He wonders whether being too casual as her brother-in-law has encouraged her and asks if he should act more sternly toward her.
  Character developments and interactions: The Wind Pillar shifts from envy and irritation toward admiration for Sosuke’s courage and decisiveness. Sosuke and Kanae share an affectionate, easy intimacy; Kanae also shows that she’s attentive to Shinobu’s behavior and teases Sosuke about it.
  Themes: Respect earned through decisive action; the importance—and difficulty—of defining family relationships; and the comfort found in warm companionship.

• Key events: The chapter opens with Tetsu no Sosuke and Kanae talking about raising their future child—and joking that the child should not take after a fierce, unruly aunt. The next morning, Sosuke resumes work on two Nichirin Blades, then trains with the Flame Pillar, Wind Pillar, and Shinobu. Their sparring demolishes the courtyard, so Reiko sends them to the mountain, where they spend the day fighting. Sosuke proposes using the Combat Automatons in the next day’s training.
• Character development: Sosuke’s knowledge from another era emerges as he gives Kanae an unusually detailed account of child-rearing, briefly making her wonder whether he has raised a child before. His immense stamina, strength, and seven Sword Forms are also on display. Shinobu shows how her speed and skill at exploiting openings compensate for her lack of strength and stamina. The Flame and Wind Pillars discover that their styles work especially well together.
• Character interactions: Sosuke and Kanae share affectionate, playful conversation about family and parenting. In training, Shinobu, Sosuke, and the two Pillars test one another’s abilities; Reiko interrupts when their sparring wrecks the courtyard. Though the Pillars had previously doubted the usefulness of Combat Automatons, they readily agree to try Sosuke’s proposed joint training.
• Significant themes: The chapter contrasts domestic hopes and humor with intense combat training. It also highlights teamwork, learning through challenge, and adapting familiar skills by training against unfamiliar opponents.

Plot points and events

• The group continues testing the Combat Automatons in battles on the Back Mountain. Tetsu no Sosuke quickly improves at using his automaton, while the Wind and Flame Pillars initially struggle with theirs.
• Tetsu and his automaton dominate the second day’s sparring, forcing the others—including Shinobu Kocho—onto the defensive. Even when the opponents begin to understand their machines, they make little headway against him.
• By the third day, the Wind and Flame Pillars have finished their weapons but are more focused on preparing to redeem themselves. They customize their automatons: the Flame Pillar gives his a flame-patterned outfit, while the Wind Pillar carves its head to resemble his own scarred appearance.
• Shinobu declines to fight and instead referees. When she calls the start, everyone holds back briefly, waiting for an opening.
• The Wind Pillar’s automaton then launches a surprise attack on Tetsu, while the Flame Pillar charges the Wind Pillar. Tetsu’s automaton intervenes, and the match rapidly becomes a chaotic chain of attacks.

Character developments and interactions

• Tetsu no Sosuke grows more capable with the automaton and begins considering how it might help on future missions.
• The Wind and Flame Pillars adapt to their machines and personalize them, showing both their commitment to the contest and their distinct temperaments. Their earlier humiliation motivates their preparations.
• Shinobu Kocho shifts from fighter to observer and referee, watching the others’ disorderly tactics with weary resignation.
• The sparring partners constantly provoke and challenge one another; Tetsu’s advantage frustrates them, while the Pillars’ coordinated attacks turn the third day’s fight into a complicated, shifting contest.

Significant themes

• Learning through practice: The characters improve by experimenting with the automatons in combat.
• Ingenuity and adaptation: Tetsu’s familiarity with the machines gives him an edge, while the Pillars develop their own ways of using and customizing them.
• Rivalry and perseverance: The others keep pressing Tetsu despite repeated setbacks.
• Order versus chaos: The fighters wait strategically for openings, but once combat begins, the battle quickly descends into confusion.

Key events

• The group continues an exhausting three-way “free-for-all” battle, with fighters managing their own condition, watching for ambushes, and coordinating with Combat Automatons.
• Shinobu Kocho, mentally drained from both fighting and dreaming about it, sits out but studies the match.
• Tetsu no Sosuke, Kyojuro Rengoku, and Sanemi Shinazugawa attack and defend in shifting combinations. Their Automatons add hidden projectiles, coordinated strikes, and surprise counters.
• Rengoku and Sanemi have improved markedly at controlling their Automatons, forcing Sosuke to fight them on more even terms. The match ends at night with no winner.
• Still excitedly discussing the Automatons over dinner, the group realizes that three days have passed when Sosuke presents the reforged Nichirin Blades.

Character developments and interactions

• Shinobu recognizes the battle’s value as training in awareness and quick reactions, but acknowledges its mental strain.
• Sosuke, Rengoku, and Sanemi grow more coordinated with their Automatons and adapt to one another’s tactics. Their shifting alliances in the fight repeatedly turn into fresh attacks on each other.
• Rengoku is eager to keep training, while Sosuke redirects attention to the completed blades.

Themes

• Adaptability and awareness: A chaotic fight rewards rapid decisions and constant attention.
• Learning through pressure: The combatants improve by confronting unpredictable, changing threats.
• Time and progress: Three days pass almost unnoticed as the group immerses itself in training and their new equipment.

Plot points

• The Flame and Wind Pillars’ training with Tetsu no Sosuke has advanced their understanding of combat: they are learning to read the wider flow of a fight, set traps, and shape an opponent’s choices rather than merely trade attacks.
• Their three-way sparring has thwarted every attempted finishing move, while giving each fighter new ideas.
• The two Pillars decide to stay for two more days, and Sosuke welcomes the extra training.
• The next morning, Tengen Uzui arrives expecting it to be his turn to receive a blade. He is surprised to find the other two Pillars still there.

Character developments and interactions

• Sosuke is eager to continue training and agrees to extend the visit.
• The Flame and Wind Pillars recognize the value of Sosuke’s training and choose to remain despite their duties.
• Tengen arrives in his usual self-assured, flamboyant manner, joking that the others might have stayed to admire him. The Wind Pillar bristles; the Flame Pillar laughs and invites Tengen to join their training.

Significant themes

• Strategic growth: Combat becomes a matter of controlling the battle’s direction, not just reacting to individual attacks.
• Learning through exchange: Failed tactics still benefit everyone by inspiring new approaches.
• Camaraderie and commitment: The Pillars willingly extend their time together, balancing their duties with the opportunity to improve.

Summary

Tengen Uzui decides to join the group’s training as well as get a new Nichirin Blade, forcing Tetsu no Sosuke back to his usual routine: forging in his spare time and training after work. Shinobu continues to join when she feels ready, taking breaks when she needs to process what she has learned.
Two days later, the Wind and Flame Pillars leave, and the Serpent and Love Pillars arrive. Before letting them try Sosuke’s free-for-all training, he asks what happened on the night they last saw each other. The escape plan had sent the Serpent and Love Pillars ahead with Noro Kira, while the others split up to mislead their pursuers. The Serpent Pillar had also taken Tamayo and Yushiro, distrustful of the Demons despite Sosuke’s confidence in them. When the predicted pursuit arrived, he recognized the wisdom of Sosuke’s plan: staying together would have made escape much harder.
With dawn near, the group hoped to delay the hostile Demons until everyone could get away. But Noro Kira could not safely be left behind, leaving the Serpent and Love Pillars facing a difficult choice: fight together, or take Kira away and leave Tamayo and Yushiro to confront the pursuers. The chapter ends before they decide.

Character developments and interactions

• Tetsu no Sosuke balances forging and training, and his accurate prediction earns the Serpent Pillar’s trust in his judgment.
• The Serpent Pillar admits, through his actions and account, that his initial doubts about Sosuke’s plan were overcome by its success. His distrust of Tamayo and Yushiro still shapes his choices.
• The Love Pillar is involved in the plan and its unresolved dilemma alongside the Serpent Pillar.
• Tengen Uzui enthusiastically wants both new equipment and training; Sosuke gently redirects attention to the blade.
• Shinobu Kocho continues learning at her own pace, balancing participation with rest.

Significant themes

The chapter emphasizes trust earned through sound judgment, the strain of making choices under danger, and cooperation across divisions—even between humans and Demons. It also contrasts the group’s serious life-or-death decisions with the ongoing, practical demands of training and work.

Plot points and events

• Tetsu no Sosuke learns why the Serpent Pillar agreed to trust Tamayo and Yushiro: they were the only demons among the group, so keeping them close during a fight would have been dangerous if they were secretly allied with the enemy. Sending them away with Noro Kira was a calculated gamble—either Noro would be protected, or the demons would be out of position to betray the humans.
• The Serpent Pillar acknowledges that Sosuke’s plan to mislead their pursuers worked, but warns that it was reckless and could have jeopardized everything. Sosuke accepts that he would have taken responsibility if it had failed.
• The Love Pillar describes her group’s encounters: they fought several Upper and Lower Moons, but those demons were far weaker than their predecessors. She also recalls being trapped in a maze-like house by a cunning enemy, who eventually withdrew.
• After comparing their experiences, the group discusses the Nichirin Blades they need. The Serpent Pillar provides detailed, practical specifications. The Love Pillar has no particular requests, leaving Sosuke with the harder task of deciding what would suit her best.

Character developments and interactions

• The Serpent Pillar’s caution is revealed as pragmatic rather than a lack of trust in Sosuke: he weighed the risks and chose the option most likely to protect the group.
• Sosuke shows confidence in his judgment and willingness to bear the consequences of risky decisions.
• The Love Pillar is excited to reunite with Sosuke and Kanae, while remaining uncertain about what kind of blade she wants.
• The conversation builds mutual understanding as the characters share their reasoning and experiences.

Significant themes

• Trust and risk: Trust is important, but the Serpent Pillar tempers it with careful contingency planning.
• Responsibility: Sosuke accepts accountability for decisions made under uncertainty.
• Craftsmanship and care: The Serpent Pillar’s precise requirements are easier for Sosuke to fulfill than the Love Pillar’s open-ended needs; doing one’s best requires understanding what the recipient truly needs.

Plot points and events

• Tetsu no Sosuke’s training goes smoothly, but forging the Love Pillar’s unusual flexible Nichirin Blade proves difficult. He spends days experimenting in the Sword Forging Shed, with no fixed standard to guide him.
• The Serpent Pillar and Love Pillar eventually leave because their duties cannot wait. Sosuke remains behind, free to concentrate on the weapon.
• After reaching an impasse, Sosuke changes his approach and studies a large collection of secret manuals from Kawahara Chintetsu. By combining their insights, he advances his Sunblaze technique beyond its previous limit of 100 to 120.
• The blade is finally completed. It is flexible as silk yet fearsomely sharp. The successful forging raises its sharpness to Level 7 and grants Sosuke the Advanced Forging guide, along with a major boost to his physical attributes.

Character developments

• Sosuke shows intense dedication and persistence, continuing to work through repeated setbacks.
• His ability to adapt and connect knowledge from different sources lets him break through a technical limit and achieve a breakthrough in forging.

Character interactions

• The Serpent Pillar suspects Sosuke is delaying the work because he has designs on the Love Pillar, but eventually leaves.
• Both Pillars’ departure reflects the clash between Sosuke’s freedom to focus on forging and the others’ obligations.
• Kawahara Chintetsu contributes indirectly by sending Sosuke the manuals that help him succeed.

Significant themes

• Persistence and obsession: sustained, focused effort makes an ambitious achievement possible.
• Adaptability and innovation: changing methods can turn a dead end into progress.
• Mastery through synthesis: breakthrough skill comes from drawing connections across accumulated knowledge.