Chapter Summaries

With the final battle twelve hours away, Rokuya asked Giyu and Sabito to protect Tanjiro, then attended a strategy meeting at Demon Slayer Corps Headquarters. Kagaya Ubuyashiki assigned Shinjuro and Tengen to guard the rear and trusted Rokuya to adapt freely on the battlefield.

• Rokuya asked Giyu and Sabito to keep Tanjiro alive during the coming battle, and both agreed.
• Rokuya surprised Obanai Iguro and Mitsuri Kanroji by declaring that Obanai seemed to like her, then fled as they stood shocked.
• Kagaya Ubuyashiki explained that Muzan might pull the Corps into the Infinity Castle if the ambush failed, requiring a strong rear guard to protect support teams and provide a retreat route.
• Kagaya assigned Shinjuro Rengoku and Tengen Uzui to defend the rear, and both accepted their roles.
• Rokuya asked what his battlefield role would be, and Kagaya told him to adapt freely and go wherever he was needed most.

Rokuya finished equipping himself and spent the hours before the final battle checking in with the Tokito Brothers and watching Zenitsu demonstrate his new Thunder Breathing form. Zenitsu earned Rokuya’s praise and vowed to confront the traitor in his lineage, while a banquet began with three hours remaining before the battle.

• Rokuya filled all six equipment slots, maxed his four attributes, and recognized that unlimited cooldown resets were his remaining trump card.
• At lunch, Rokuya praised Muichiro and Yuichiro for defeating Gyokko, while Yuichiro angrily challenged him for seeming too relaxed before the coming battle.
• Zenitsu demonstrated his self-created Seventh Form, Fire Thunder God, splitting a thick wooden post with a blazing strike.
• Rokuya told Zenitsu his Thunder Breathing had surpassed Rokuya’s and urged him to purge the traitor; Zenitsu vowed not to disgrace his master or Rokuya’s teachings.
• With three hours until the final battle, a grand evening banquet began at the Demon Slayer Corps Headquarters.

As the final battle against Muzan drew near, Rokuya and the Demon Slayer Corps shared a lavish banquet before returning to their posts. Kagaya Ubuyashiki thanked Rokuya for bringing hope to the Corps, and the chapter ended with the battle still ahead.

• Rokuya arranged a feast to raise morale, and the Corps members ate, laughed, and praised him.
• Kanae Kocho cared for Rokuya while Shinobu Kocho teased him and served him food.
• The swordsmen finished the banquet and returned to patrol and inspect their defense zones as the final battle approached.
• Rokuya visited Kagaya Ubuyashiki, who thanked him for strengthening the Corps and giving them a chance to fight Muzan.

As the Demon Slayer Corps prepared for Muzan’s imminent attack, Rokuya questioned why he kept risking his life to fight demons. Kagaya Ubuyashiki helped him understand that his compassion and belief in protecting humanity gave him his reason, and Rokuya left resolved to prepare for the final battle.

• With the final battle half an hour away, Rokuya reflected on why he fought demons and admitted to Kagaya Ubuyashiki that he mainly wanted to protect those close to him.
• Kagaya Ubuyashiki told Rokuya that his anger at demons came from compassion and a desire to keep humanity safe from their harm.
• Rokuya thanked Kagaya Ubuyashiki, embraced his purpose, and vowed to end the demons’ existence.
• Rokuya drew the Shura Blade, then headed to the temporary Butterfly Mansion to inspect its defenses.
• Kanae and Shinobu met Rokuya in combat uniforms, and Shinobu teased him about complaining of hunger during the battle.

Rokuya and Kagaya faced Muzan at the Ubuyashiki Estate, where Rokuya detonated a magic-infused explosive trap that severely injured Muzan. Rokuya escaped with Kagaya as Muzan began to recover, but Tamayo emerged from the burning ruins and attacked him.

• Rokuya described Muzan to Kagaya, and Muzan threatened to destroy the Demon Slayer Corps and kill the people Rokuya protected.
• Rokuya activated Bright Moon and detonated the explosives buried beneath the Ubuyashiki Estate, shielding himself and Kagaya from the blast.
• The explosion burned off Muzan's limbs and hindered his regeneration with residual magic energy.
• Rokuya carried Kagaya away from the ruined estate while Muzan regrew his legs and prepared to pursue them.
• Tamayo burst from the burning ruins and punched through Muzan's abdomen, leaving him stunned to see her alive.

Tamayo injected Muzan with poison, and the Demon Slayer Corps attacked him before being pulled into Infinity Castle. Rokuya landed there with Tamayo, learned the others had been separated, and burned through a horde of demons as they advanced.

• Tamayo injected Muzan with poison, but he seized her by the throat and dismissed her attempt to kill him.
• Gyomei Himejima smashed Muzan's head with his Meteor Hammer, but Muzan began regenerating because beheading could not kill him.
• The Hashira, Takanashi Rokuno, and Tanjiro Kamado surrounded Muzan, and Rokuya severed Muzan's arm and Tamayo's arm before rescuing her.
• Sliding doors opened beneath the fighters and pulled Rokuya, Tamayo, the Hashira, and Muzan into Infinity Castle.
• Rokuya landed with Tamayo, learned the others had been separated, and heard that Tamayo's poison was already affecting Muzan.
• Rokuya burned a horde of Guard Demons to ashes with Returning Blade: Flame Tiger's Roar and advanced through the corridor.

The Demon Slayers were scattered throughout the shifting Infinity Castle as they fought demons and searched for its controller. Zenitsu followed a familiar sound to Kaigaku, his former senior, who had become Upper Rank Six.

• Sabito caught Tanjiro as he fell, and Giyu joined them as they set out to find the castle's controller.
• Kyojuro cut through demons and opened a path with Flame Breathing.
• Sanemi attacked a swarm of demons while Gyomei fought guards and moved toward the strongest demonic aura.
• Yuichiro searched for Muichiro and used Smoke Breathing to fill the passages with smoke.
• Zenitsu followed a sound through the castle, broke into a room, and confronted Kaigaku, who mocked him.

Zenitsu confronted Kaigaku over his choice to become a demon, while Kaigaku blamed his resentment toward their master and Rokuya for driving him to it. The chapter ended as Kaigaku attacked Zenitsu with a devastating Thunder Breathing technique empowered by demon blood.

• Kaigaku mocked Zenitsu and declared he would take his head as a gift when he joined the upper ranks.
• Zenitsu demanded to know why Kaigaku had become a demon and reminded him of the shame his betrayal brought Master Kuwajima.
• Kaigaku blamed Master Kuwajima’s favoritism and his jealousy of Rokuya and Zenitsu for his resentment and desperation to survive.
• Zenitsu accused Kaigaku of making excuses and recalled how Kaigaku had tried to trap Rokuya, who broke both his arms.
• Kaigaku unleashed black lightning and attacked Zenitsu with Thunder Breathing, Second Form: Rice Spirit, sending thirteen strikes at him from every direction.

Zenitsu used Rokuya's Modified Thunder Breathing to strike Kaigaku with Extreme Blade Flash, but Kaigaku's demonic strength overwhelmed him. The chapter ended with Kaigaku healing his wound and boasting as Zenitsu lay amid the rubble.

• Zenitsu used Thunderclap and Flash, but Kaigaku countered with Third Form: Mosquitoes Gather into Thunder.
• Zenitsu changed direction with Modified Thunder Breathing: Extreme Blade Flash, a technique Rokuya had taught him.
• Zenitsu followed with Double Strike and deeply wounded Kaigaku, whose body began burning from the golden lightning.
• Kaigaku ignored the injury and unleashed Fourth Form: Distant Thunder at point-blank range.
• Kaigaku's attack broke Zenitsu's wrist and smashed him through a pillar, then Kaigaku regenerated and taunted him.

Zenitsu defeated Kaigaku by unveiling Thunder Breathing’s Seventh Form, Fire Thunder God, and beheading him with a single slash. As Kaigaku crumbled, he demanded to know where Zenitsu had learned the technique.

• Kaigaku prepared to kill the wounded Zenitsu with Thunder Breathing, Sixth Form: Rumble and Flash.
• Zenitsu recalled Jigoro Kuwajima and Takanashi Rokuno’s words, then steadied himself and awakened a new lightning power.
• Zenitsu unleashed Thunder Breathing, Seventh Form: Fire Thunder God, cutting through Kaigaku’s attack and severing his head.
• Kaigaku’s head landed on the tatami, and he cursed Zenitsu while his body began to crumble into ash.

Zenitsu explained that he had created Fire Thunder God himself before Kaigaku disintegrated, and the Kasugai Crow announced Zenitsu’s victory over Upper Rank Six across the Infinity Castle. The other Demon Slayers drew strength from the news as Takanashi Rokuno put away his blade beside another demon’s ashes.

• Kaigaku cursed Master Kuwajima and accused him of withholding a Seventh Form, but Zenitsu calmly said the master had taught them only the Six Most Basic Basics.
• Zenitsu revealed that he had created Fire Thunder God himself, and Kaigaku disintegrated in despair.
• A Kasugai Crow announced that Zenitsu Agatsuma had single-handedly slain Upper Rank Six.
• Tanjiro Kamado, Inosuke Hashibira, Kyojuro Rengoku, Sanemi Shinazugawa, Giyu Tomioka, Sabito, and Gyomei Himejima heard the news and renewed their resolve to fight.
• Takanashi Rokuno put away the Shura Blade beside a headless demon corpse turning to ash.

Rokuya searched Infinity Castle for Muzan but sensed Doma and raced toward him, while Kanae, Shinobu, Kanao, and Inosuke encountered the Upper Rank demon. Doma attacked Inosuke with his Blood Demon Art, leaving the group facing a dangerous battle.

• Rokuya failed to locate Muzan in Infinity Castle and changed course toward the powerful presence of Doma.
• Kanae and Shinobu met up with Kanao and Inosuke, and the four searched the shifting corridors together.
• Kanae recognized an ornate door as resembling the leader's room at the Eternal Paradise Cult and warned the others that Doma was behind it.
• Doma emerged and taunted Kanae and the others, prompting Inosuke to charge him despite Kanae's warning.
• Doma used Blood Demon Art: Lotus Leaf Ice, and one ice lotus grazed Inosuke's arm and froze his blood.

Kanae, Shinobu, Kanao, and Inosuke fought Doma, whose power had grown after receiving Muzan’s concentrated blood. Shinobu’s enhanced poison crippled his regeneration, but Doma escaped their coordinated attack behind an ice wall and began recovering slowly.

• Kanae warned the others that Doma’s strength and freezing attacks had become far more dangerous, and the four fighters surrounded him.
• Doma unleashed ice vines, which Kanae and Kanao deflected while Inosuke dodged through them and Shinobu struck at Doma with her poisoned blade.
• Shinobu’s venom, infused with Arcana Power, ravaged Doma’s body and suppressed his regeneration, allowing Kanae, Kanao, and Inosuke to attack his neck.
• Doma summoned three ice puppets that interrupted their assault with concentrated freezing air, then retreated behind a thick ice wall and began slowly healing.
• Inosuke furiously struck the ice wall, but his blades left only shallow marks.

Kanae, Shinobu, Kanao, and Inosuke struggled against Doma’s new Blood Demon Art until Takanashi Rokuno burst into the room. His arrival shattered the ice and blizzard, leaving the battle poised to turn.

• Shinobu gave Kanae, Kanao, and Inosuke a medicine that protected their lungs and restored their ability to use their Breathing Styles.
• Doma emerged from the ice wall healed and unleashed his new Blood Demon Art, Ice Snow Lotus Heaven.
• Doma’s blizzard overwhelmed the four fighters, injuring them and pinning them in a corner as he prepared to finish them off.
• Takanashi Rokuno crashed through the ceiling, broke the ice across the room, and halted Doma’s blizzard.

Rokuya arrived to protect the battered Kanae and Shinobu, then overwhelmed Doma despite the demon’s enhanced power. He trapped Doma in a storm of blades and launched a massive arcana-powered flame tiger at him.

• Rokuya saw Kanae and Shinobu injured and confronted Doma, who recognized him from their previous battle.
• Doma unleashed his Water Lily Bodhisattva and Ice-Snow Lotus Heaven, but Rokuya’s Arcana Armor nullified the attacks.
• Rokuya evaded the Bodhisattva and used Extreme Blade Flash to reach Doma before the demon could escape.
• Rokuya trapped Doma in Blade Tempest · Wind God's Dance, shredding him and his ice lotus in midair.
• Rokuya followed with Returning Blade: Flame Tiger's Roar, sending a giant blue-flame tiger toward Doma.

Rokuya killed Doma with the help of Kanae, Shinobu, Kanao, and Inosuke, then helped treat Kanae and Shinobu’s injuries. Elsewhere in the Infinity Castle, the Demon Slayers heard of Doma’s death, while Tanjiro, Giyu, and Sabito encountered Akaza.

• Rokuya used the Shura Blade to behead Doma, whose body was consumed by deep blue flames.
• Rokuya treated Kanae and Shinobu with Shinobu’s Simplified Medicine after they declined Tamayo’s precious vial.
• A Kasugai Crow announced Doma’s death and credited Takanashi Rokuno, Kanae Kocho, Shinobu Kocho, Kanao Tsuyuri, and Inosuke Hashibira with the kill.
• Sanemi, Gyomei, and Yuichiro heard the announcement and resolved to keep fighting and find their companions.
• Tanjiro, Giyu, and Sabito sensed a powerful martial aura, drew their blades, and found Akaza waiting beyond a shattered door.

Akaza overwhelmed Giyu, Sabito, and Tanjiro with his Compass Needle and destructive techniques until Kyojuro Rengoku arrived to save Tanjiro. Akaza admired Kyojuro’s fighting spirit and invited him to become a demon.

• Akaza used Compass Needle to anticipate Giyu, Sabito, and Tanjiro’s attacks, countering them and inflicting injuries.
• Giyu, Sabito, and Tanjiro launched a coordinated assault, but Akaza unleashed Blue Silver Chaotic Afterglow and shattered their attack.
• Giyu and Sabito used Dead Calm to defend themselves, while Tanjiro struggled to block Akaza’s relentless blasts.
• Kyojuro Rengoku intervened with Rising Scorching Sun and protected Tanjiro from a lethal blow.
• Akaza praised Kyojuro’s fighting spirit and invited him to become a demon so they could fight together forever.

Tanjiro entered the Transparent World and used Akaza’s inability to sense his fighting spirit to behead him. As Akaza’s head fell, memories from before he became a demon returned, including his former name: Hakuji.

• Kyojuro rejected Akaza’s offer to become a demon, and the four Demon Slayers attacked him together.
• Akaza broke Giyu’s sword and nearly killed him, but Sabito shoved Giyu out of the way and was wounded in his place.
• Tanjiro realized Akaza’s Compass Needle detected fighting spirit and entered a state that erased his presence.
• Akaza overwhelmed Kyojuro, Giyu, and Sabito, but Tanjiro approached unseen and cut off his head with Hinokami Kagura: Setting Sun Turn.
• Akaza’s memories returned as his head fell, revealing that his name before becoming a demon was Hakuji.

Hakuji recalled losing his father and falling into violent despair before Keizo took him in at the Soryu Dojo. He began training and caring for Koyuki, who saw his criminal tattoos as signs of his courage in protecting his father.

• Hakuji was beaten and tattooed after stealing money to buy medicine for his sick father.
• Hakuji returned home to find that his father had hanged himself to stop being a burden.
• Hakuji became violent until Keizo defeated him and invited him to the Soryu Dojo.
• Hakuji met Keizo's ill daughter Koyuki and began learning Soryu Fist while caring for her.
• Koyuki touched Hakuji's tattoos and told him they showed the courage he had shown in protecting someone important.

Hakuji remembered his life with Master Keizo and Koyuki, their deaths, and his transformation into Akaza, then understood that Tanjiro had defeated him fairly. When Muzan forced his body to regenerate and attack, Koyuki appeared and helped him reclaim control, and Akaza destroyed his own body to end his life.

• Hakuji trained at the Soryu Dojo for three years, helped Koyuki recover, and accepted Master Keizo’s offer to marry her and inherit the dojo.
• The neighboring swordsmanship dojo poisoned the well, killing Master Keizo and Koyuki, and Hakuji slaughtered its master and dozens of disciples in revenge.
• Muzan found Hakuji and turned him into Akaza, who forgot his past and spent a century pursuing strength.
• After Tanjiro, Giyu Tomioka, Sabito, and Kyojuro Rengoku defeated him, Muzan seized Akaza’s body and commanded him to fight again.
• Koyuki appeared and called Akaza her husband, restoring his resolve and allowing him to resist Muzan’s control.
• Akaza used Destructive Death: Annihilation Style on his own chest, destroyed his body, and vanished into ash as he saw Koyuki, Master Keizo, and his father.