Chapter Summaries

Kanzaki Kumo struggled to launch the Demon Slayer Corps’ plan to lure Muzan, but the target Doma remained missing. While searching that night, Kanzaki Kumo heard a woman scream from afar.

• Muzan forced Doma to search constantly for Kanzaki Kumo, while Nakime’s eyeball followed him as surveillance.
• Kanzaki Kumo devised a plan with Tamayo and Kagaya to expose irresistible bait to an Upper Rank and draw Muzan out.
• The Corps chose Doma as the target, but Tanjuro and Gyomei searched near the Eternal Paradise Cult for months without finding him.
• Kanzaki Kumo wondered whether Muzan had killed Doma, then heard a woman scream while patrolling with the Transparent World active.

Kanzaki Kumo ambushed Doma in a town and nearly beheaded him, provoking the demon into a fierce fight. Kumo’s attacks failed to kill Doma, leaving him to face the problem of how to finish the battle alone.

• Kanzaki Kumo destroyed Nakime’s eyeball and surprised Doma with a Thunder Breathing attack that cut his neck and made him feel fear and anger.
• Doma summoned the Rime-Water Lily Bodhisattva, forcing Kumo back as the ice statue wrecked nearby houses and sent townspeople fleeing.
• Doma and Kumo exchanged Blood Demon Arts and Thunder Breathing forms, with Kumo destroying Doma’s Crystalline Divine Children and pressing his attack.
• Doma blocked Kumo’s Divine Punishment with his iron fans, and they landed on separate rooftops with Doma’s wounds already healing.
• Kanzaki Kumo realized he could defeat Doma but could not kill him alone with only the Transparent World and a Bright Red Nichirin Sword.

Kanzaki Kumo killed Doma with Thunder Breathing’s final form, Thousand Birds, and Doma died after recognizing a piece of the Blue Spider Lily beneath Kumo’s damaged haori. Through Doma’s eyes, Muzan saw the flower and reacted with excitement and urgency rather than grief, while Kumo confirmed Doma’s death.

• Doma attacked Kanzaki Kumo with four simultaneous Blood Demon Arts, but Kumo’s eyes and markings changed as he prepared to move.
• Kanzaki Kumo used Thunder Breathing’s final form, Thousand Birds, to destroy Doma’s attacks and behead him before Doma could react.
• As Doma’s body turned to ash, he recalled Kotoha Hashibira and recognized part of the Blue Spider Lily beneath Kanzaki Kumo’s haori.
• Muzan saw the flower through Doma’s eyes and felt excitement at the prospect of fulfilling his thousand-year wish, without mourning Doma.
• Kanzaki Kumo confirmed through the Transparent World that Doma was completely dead and quietly chuckled.

Muzan raged after Doma died without bringing him the Blue Spider Lily, then ordered a search for Kanzaki Kumo and the Demon Slayer Corps Headquarters. At the Ubuyashiki Estate, Kagaya explained the Demon Slayer Mark to the gathered Hashira but said the Corps' records did not specify how to activate it.

• Muzan saw the Blue Spider Lily through Doma's dying consciousness, but the image vanished before he could claim it.
• Muzan blamed Nakime for losing the tracking eyeball, knocked her head off, and ordered the demons to find Kanzaki Kumo and the Demon Slayer Corps Headquarters.
• Nakime restored her head and repaired the damaged Infinity Castle after Muzan left.
• At the Ubuyashiki Estate, Giyu explained that Sabito had been considering challenging Upper Rank One, and Sabito rejected Tengen Uzui's teasing.
• Kagaya told the Hashira that Kanzaki Kumo's enhanced state was called the Demon Slayer Mark and that the Corps' records did not explain its activation conditions.

Kanzaki Kumo explained how he awakened his Demon Slayer Mark and reassured the Hashira about its shortened-lifespan side effect. He then revealed that a dyed fake Blue Spider Lily was the bait for luring Muzan, whose centuries-long search might be aimed at overcoming sunlight.

• Kanzaki Kumo described the conditions for awakening the mark, and Giyu’s blunt remark about Sanemi’s simple mind sparked a teasing exchange.
• Kagaya explained that marked swordsmen had never lived past twenty-five, but Tamayo’s treatment of Tanjuro and Michikatsu Tsugikuni’s history suggested the side effect could be reversed.
• Kanzaki Kumo announced that he had prepared the bait for the plan to lure Muzan, prompting Sabito and the others to ask what it was.
• Kanzaki Kumo showed the group a blue spider lily and said Muzan and Upper Rank Two had searched for it for centuries.
• Kanzaki Kumo suggested the Blue Spider Lily might let Muzan overcome sunlight, then clarified that the flower was fake and had been made by dyeing a red spider lily.

Kagaya organized special training for the Demon Slayer Corps to prepare for Muzan’s coming attack, assigning Hashira to different courses. Giyu thought he had no specialty to contribute and declined to train anyone, but after agreeing to spar with the others, he mistakenly took it as a sign that they wanted to communicate with him.

• Kagaya proposed gathering the Swordsmen near the Hashira and setting a training standard based on the abilities of Tsuchinoto Swordsmen.
• Tengen Uzui, Kyojuro, Muichiro, Obanai, Sanemi, and Gyomei took charge of fitness, swordsmanship, footwork, combat, and muscle training.
• Kanzaki Kumo, Makomo, and Kanae planned battlefield first-aid training at the Butterfly Mansion, while Sabito joined Sanemi to teach defensive skills and pressure handling.
• Giyu said he would not participate, and Sabito explained that Giyu believed he had no particular specialty to offer.
• Kanzaki Kumo suggested that Giyu spar with everyone as an apology, and Giyu agreed after deciding that they wanted to communicate with him.
• Sanemi took Giyu away to spar, and Giyu smiled faintly, leaving Sanemi puzzled by his reaction.

After the Hashira Meeting, the Demon Slayer Corps began Hashira training, where Tanjiro, Zenitsu, Yuichiro, and Inosuke stood out for their relentless effort and Kanao sped through the assessments. Kanao completed the stages in under half a month and joined first-aid lessons at the Butterfly Mansion, leaving the slower trainees stunned.

• Giyu joined the training team and taught fundamentals alongside Kyojuro, whose patience helped keep discouraged swordsmen training.
• The swordsmen began training under Tengen Uzui, whose basic exercises became grueling through their extreme quantity.
• Tanjiro, Zenitsu, Yuichiro, and Inosuke took on extra work and earned the nickname the Training Ground Grind King Quartet.
• Kanao exceeded Tengen Uzui's highest physical-training assessment, then quickly passed the later training stages, including swordsmanship, movement, technique correction, combat, and muscle strengthening.
• Kanao finished the training process in under half a month and joined first-aid lessons at the Butterfly Mansion, while Mitsuri was still working on sword technique correction.

Kanao’s outstanding training results left the other Demon Slayer Corps members facing even harder assessments, while Tanjiro’s group continued training to catch up with her. In the Infinity Castle, Muzan devised ten reasons it believed it would defeat the Corps and planned to attack once Nakime found its headquarters, unaware that Kanzaki Kumo mocked its supposed wisdom.

• Kanao’s fast completion of the assessments led the Swordsmen to expect harsher training, and Kanzaki Kumo watched their dismay with amusement.
• Zenitsu, Yuichiro, Tanjiro, and Inosuke left Giyu’s assessment; Tanjiro urged the group to keep training because Kanao had already finished and returned to the Butterfly Mansion.
• Zenitsu explained that Kanao was close to his senior fellow disciple, whom he considered inhuman, and Tanjiro reminded the group that more dangerous battles were coming.
• Muzan compared the Demon King and the Demon Slayer Corps across ten supposed advantages, including immortality, experience, Blood Demon Arts, and destiny.
• Muzan resolved to wait for Nakime to locate the Corps headquarters, then attack, capture Kanzaki Kumo, and obtain the Blue Spider Lily.
• Kanzaki Kumo called Muzan’s wisdom world-shaking, and Muzan demanded to know what he meant.

Kanzaki Kumo was woken at night by Sabito, Sanemi, and Obanai, who had come to challenge him to a spar. He agreed to fight them and dragged Sabito to the courtyard, where the commotion had already woken the girls at the Butterfly Mansion.

• After finishing his training and first-aid lessons, Kanzaki Kumo went to bed, but heard Sabito, Sanemi, and Obanai sneaking into the Butterfly Mansion.
• Sabito repeatedly knocked on Kanzaki Kumo’s door until Kanzaki opened it, while Sabito celebrated finally waking him after years of waiting.
• Sabito told Kanzaki Kumo that he, Sanemi, and Obanai planned to challenge him together, and Kanzaki agreed to meet them at the training grounds.
• Kanzaki Kumo noticed that the three Hashira had broken the front-door lock and told them to pay for its replacement.
• Kanzaki Kumo pointed out that their late-night visit had woken the girls, and Sabito awkwardly pretended to admire the cloud-hidden moon.

Kanzaki Kumo sparred with Sabito, Sanemi, and Obanai after they woke him in the middle of the night, using the Transparent World to control the fight. The exchange ended with Sabito injured again, while the others gained a clearer sense of the Transparent World's pressure and Sabito demanded another round.

• Sabito, Sanemi, and Obanai woke Kanzaki Kumo at the Butterfly Mansion and challenged him to spar.
• Kanzaki Kumo activated the Transparent World and used their coordinated attacks to separate the three and isolate Sabito.
• Kanzaki Kumo launched Sabito into the air and outmaneuvered him, then blocked Sanemi and Obanai as they returned to the fight.
• Kanzaki Kumo used the momentum of their attacks to unleash a lightning strike that slammed Sabito into the ground.
• Sanemi and Obanai forced Kanzaki Kumo to dodge, and Sabito got back up to face him with them.
• The three sensed the pressure of the Transparent World, and Sabito raised his sword and demanded another round.

Kanzaki Kumo fought Sabito, Sanemi, and Obanai, using the Transparent World to anticipate their attacks and escape their encirclement. He focused on beating Sabito, who entered the Transparent World while blocking one of Kanzaki Kumo’s blows.

• Sabito, Sanemi, and Obanai surrounded Kanzaki Kumo and coordinated their attacks, with Obanai’s precise timing making him the most troublesome opponent.
• Makomo, Mitsuri, Kanae, and Kanao watched the fight from the Butterfly Mansion, while Kanao’s sharp eyes kept pace with Kanzaki Kumo’s movements.
• Kanzaki Kumo used Obanai’s attempt to block his escape to deflect an attack and leap out of the encirclement.
• Kanzaki Kumo drove Sabito, Sanemi, and Obanai apart with Thunder Breathing, Second Form: Rice Spirit, then targeted Sabito.
• Sabito blocked Kanzaki Kumo’s strike and entered the Transparent World while taking the beating.

After the three Hashira were defeated in training, Sabito accidentally exhausted himself while practicing the Transparent World and woke to embarrassment. Kagaya Ubuyashiki summoned Gyomei and Kanzaki Kumo to reveal explosives beneath his residence and his plan to begin the final battle against Muzan Kibutsuji, though Kanzaki warned the blast would not seriously harm Muzan.

• Sabito, Sanemi, and Obanai challenged Kanzaki Kumo and were beaten, while Kanzaki was left exhausted and injured.
• Sabito practiced controlling the Transparent World in the infirmary, overextended his perception, and fell into a deep sleep.
• Sanemi and Obanai panicked when Sabito collapsed, but Kanzaki and Shinobu recognized that he only needed rest; Sabito later learned the whole mansion had witnessed the incident and wanted to hide.
• Kagaya Ubuyashiki summoned Gyomei and Kanzaki Kumo, who sensed explosives packed beneath his residence.
• Kagaya explained that he believed Muzan Kibutsuji was close and intended to set off the explosives as the opening move of the final battle.
• Gyomei questioned the cost of Kagaya's sacrifice, and Kanzaki warned that the explosion would not kill or significantly harm Muzan.

Kanzaki Kumo and Gyomei persuaded Kagaya to abandon his plan to die in an explosion and prepared to face Muzan at the Ubuyashiki Estate. On the ninth night after Kumo left the Butterfly Mansion, Muzan arrived, and Kumo revealed the Dyed Spider Lily before Muzan attacked.

• Kanzaki Kumo and Gyomei convinced Kagaya to preserve his life and escorted his family to a safe house.
• Kanzaki Kumo and Gyomei waited at the Ubuyashiki Estate for Muzan, while Kumo sent a letter to the Butterfly Mansion and Gyomei sent instructions to his trainees.
• On the ninth night, Kanzaki Kumo and Gyomei sensed Muzan's arrival, and Gyomei left through the back door as Kumo guarded the entrance.
• Muzan entered the estate and mistook Kumo's presence for a chance to seize him and learn the Blue Spider Lily's location.
• Kanzaki Kumo taunted Muzan and showed him the Dyed Spider Lily, prompting Muzan to attack the flower.

Kanzaki Kumo and Gyomei destroyed the Blue Spider Lily in an explosion, thwarting Muzan’s thousand-year pursuit. As Muzan recovered and went after Kanzaki Kumo, Gyomei attacked him with his Meteor Hammer.

• Kanzaki Kumo threw the Blue Spider Lily into the air, and Muzan lunged to swallow it.
• Kanzaki Kumo used Thousand Birds to strike Muzan’s vital spots along scars left by Yoriichi Tsugikuni, then escaped through the doorway.
• Gyomei ignited the fuse, and the explosion’s flames consumed the Blue Spider Lily as Muzan cried out in despair.
• Kanzaki Kumo recovered outside while Muzan emerged from the ruins and set off to pursue him.
• Gyomei charged Muzan with his Meteor Hammer, and Muzan raised his newly healed arm to meet the blow.

Gyomei and Kanzaki Kumo fought Muzan while Tamayo injected it with a drug that began turning its cells human. The drug unsettled Muzan and prompted it to form a plan, while the Butterfly Mansion responded to the distant battle.

• Gyomei struck Muzan with his meteor hammer, and Muzan smashed away the weapon while regenerating its injuries.
• Tamayo injected Muzan with a demonification-reversal drug, and Kanzaki Kumo cut her free and carried her out of reach.
• Muzan realized the drug was disrupting its body, and Tamayo confirmed she had developed it before Gyomei attacked again with his Bright Red Nichirin Sword.
• Muzan resolved to eliminate the Demon Slayer Corps and obtain the Blue Spider Lily's whereabouts from Kanzaki Kumo.
• At the Butterfly Mansion, Kanae, Makomo, and others rushed toward the distant explosion while Shinobu Kocho and the medical staff prepared and distributed supplies.

Nakime pulled the attacking Hashira and many other Swordsmen into the Infinity Castle, where Muzan withdrew to deal with the drugs in its body. The scattered fighters faced separate enemies as Kanzaki Kumo fled a terrifying presence and Kanae heard a voice telling her to sleep.

• The Hashira joined Kanzaki Kumo and Gyomei against Muzan, but Nakime transported them and many other Swordsmen into the Infinity Castle.
• Muzan retreated into the castle's depths to deal with the drugs in its body while its demons attacked the scattered fighters.
• Kanzaki Kumo sensed a terrifying presence while searching for his teammates and fled with Ink Shadow following him.
• Makomo and Mitsuri fought together against swarming demons, while Tengen Uzui encountered his younger brother bearing the marks of Upper Rank Four.
• Gyomei smashed through rooms toward a teammate, while Sabito and Giyu hurried toward Kanzaki Kumo after sensing his flight.
• Kanae cleared away the demons around her and then heard a gentle voice telling her to sleep.

Kanae broke free from Enmu’s illusion by recognizing that the false Kanzaki Kumo was not real, then entered the Transparent World and killed Enmu. She hurried toward Kanzaki Kumo’s presence, determined to prevent the future the illusion had shown.

• Kanae found herself in a flower field with an apparent Kanzaki Kumo, but grew suspicious when he tried to push aside her drawn blade.
• The false Kanzaki Kumo claimed Muzan had been destroyed and that he intended to merge Kanae and the others into himself.
• Kanae recognized the vision as an illusion and entered the Transparent World as her fury sharpened her focus.
• Kanae beheaded Enmu and cut his head apart before he could finish speaking.
• Kanae sensed Kanzaki Kumo nearby and hurried toward him.

Tengen Uzui fought his demon brother Naraku but was overwhelmed by his poisoned attacks until Kyojuro Rengoku intervened. After Kyojuro joined the battle, the brothers stood together, and Tengen asked Kyojuro to hold Naraku off while he recovered.

• Tengen Uzui struggled against Naraku, who mocked his older brother and revealed his Blood Demon Art.
• Naraku unleashed a frenzied barrage that worsened Tengen's poisoned wounds.
• Kyojuro Rengoku arrived and drove Naraku back with Flame Breathing.
• Tengen took an antidote and bandaged his wounds while Kyojuro fought Naraku.
• Naraku forced Kyojuro back, and Tengen rose to fight beside him.

Kanzaki Kumo confronted Kokushibo in the Infinity Castle and rejected his offer to become a demon, prompting Kokushibo to attack. Elsewhere, Tengen Uzui fought Naraku alone while Kyojuro prepared to awaken his Demon Slayer Mark, and Tengen’s left-eye makeup changed as he met Naraku’s powerful strike.

• Kyojuro held back after fighting Tengen Uzui so he could prepare to awaken his Demon Slayer Mark.
• Kokushibo intercepted the fleeing Kanzaki Kumo and called him a coward for avoiding a fight.
• Kanzaki Kumo challenged Kokushibo’s courage by reminding him that he had once begged for mercy from Yoriichi Tsugikuni.
• Kokushibo tried to persuade Kanzaki Kumo to become a demon, but Kanzaki Kumo revealed that he had overcome the Demon Slayer Mark’s side effects.
• Kokushibo attacked Kanzaki Kumo with Moon Breathing, First Form: Dark Moon-Evening Palace, and Kanzaki Kumo answered with Thunder Breathing, Second Form: Rice Spirit.
• Naraku overwhelmed Tengen Uzui, but Tengen continued fighting, and the makeup around his left eye suddenly became whole and darker as he faced Naraku’s strike.

Tengen Uzui and Kyojuro defeated Naraku, while Yushiro, Makomo, and Mitsuri advanced through the Infinity Castle toward Nakime. Kanzaki Kumo held out against Kokushibo until the other Hashira arrived, and their counterattacks finally wounded the demon.

• Tengen Uzui decapitated Naraku with Kyojuro’s help, then collapsed from his injuries and poison as Kyojuro left to support the others.
• A crowd of demons surrounded Tengen Uzui while he rested alone.
• Yushiro led Makomo and Mitsuri toward Nakime, using the Kasugai Crows’ shared vision to locate the Infinity Castle’s core.
• Kokushibo revealed its full Flesh-Bone Sword and attacked Kanzaki Kumo and the Hashira arriving at the battlefield.
• Gyomei and Giyu blocked Kokushibo’s attacks as the others counterattacked, forcing Kokushibo to retreat with wounds on its body.