Chapter Summaries

Izuna accepted Akaza’s challenge and killed the Upper Rank Three with a devastating Flame Breathing strike infused with natural energy. The others witnessed the display, while Izuna returned to Tetsuya after Akaza vanished.

• Akaza abandoned his mission to challenge Izuna, and Tetsuya stopped Kyojuro from joining their fight.
• Izuna asked Akaza about Kokushibo and learned that Upper Rank One was far stronger than him.
• Akaza activated Destructive Death-Compass Needle and charged at Izuna.
• Izuna used Flame Breathing: Heaven-Burning, creating a vast blaze that left a bottomless ravine and erased Akaza.
• Kyojuro and the awakened train passengers reacted to Izuna’s overwhelming power, and Izuna reported back to Tetsuya.

After the Mugen Train battle, Kagaya learned that Izuna had slain Upper Rank Three Akaza with a new Flame Breathing technique aided by Tetsuya’s illusion. At the Butterfly Mansion, Tetsuya visited the recovering Tanjiro and asked to see the Hinokami Kagura Dance.

• Kyojuro asked Izuna about his sky-filling Flame Breathing attack, and Tetsuya explained that the flames were an illusion but Izuna had truly killed Akaza with one slash.
• The passengers were rescued after sunrise, and Kagaya told Amane that Tanjiro had killed Lower Rank One and Izuna had slain Upper Rank Three.
• Tanjiro returned to the Butterfly Mansion with Kyojuro, Izuna, and Tetsuya, where Shinobu welcomed the three Hashira.
• Tetsuya teased Tanjiro by poking his wound, then chatted with him while Kyojuro asked Izuna about his new technique.
• Tetsuya asked Tanjiro to show him the Hinokami Kagura Dance passed down by the Kamado family.

Tetsuya watched Tanjiro perform Hinokami Kagura and used genjutsu to let him relive a childhood memory of dancing before his family. After Tetsuya and Kyojuro left the Butterfly Mansion, Muzan learned of Akaza’s death and was shaken by the news.

• Tetsuya asked Tanjiro to demonstrate Hinokami Kagura after Tanjiro said he could dance despite his injuries.
• Tetsuya used genjutsu to ease Tanjiro’s nerves, and Tanjiro danced while reliving a memory of his father approving his performance.
• Tetsuya praised Tanjiro and encouraged him to keep practicing in hopes of developing Fire Breathing.
• Tetsuya and Izuna left, and Kyojuro told Tanjiro he could call him his big brother before departing as well.
• Tanjiro focused on recovering at the Butterfly Mansion, while Muzan learned that Akaza had been killed and was shaken.

After Muzan ordered a search for Akaza’s killer, Tetsuya hunted demons across Japan while refining his Flame Breathing and Izuna guarded Corps Headquarters. Tetsuya then entrusted Tanjiro with his research on Sun Breathing, leaving Tanjiro to develop it further as he returned to headquarters.

• Muzan ordered demons, including the Upper Ranks, to investigate Akaza’s death and identify his killer.
• Tetsuya traveled across Japan hunting demons to test his new Breathing Style, while Izuna stayed at Corps Headquarters as Kagaya Ubuyashiki’s hidden protector.
• Tetsuya demonstrated his improved Flame Breathing to Tanjiro and encouraged him to practice it during future missions.
• Tanjiro left the Butterfly Mansion with Nezuko to resume hunting demons after recovering from his injuries.
• Tetsuya told Izuna he had given Tanjiro his theories and research on Sun Breathing, leaving the specialized work of developing it to him.

Tanjiro’s growing mastery of Fire Breathing drew Muzan’s attention, prompting an attack by Daki and Gyutaro in the Entertainment District. As Tanjiro and his companions struggled, Kyojuro Rengoku arrived to help, and both sides charged into battle.

• Tanjiro mastered the first twelve forms of Fire Breathing but had not yet discovered its final form.
• Muzan recognized Tanjiro’s earrings and Fire Breathing, then ordered his demons to kill him.
• Daki and Gyutaro attacked Tanjiro, his companions, and Nezuko in the Entertainment District, overwhelming them.
• Kyojuro Rengoku arrived and rescued the group with Flame Breathing: Heaven-Burning.
• Tanjiro warned Rengoku that Daki and Gyutaro had to be beheaded within a short interval, and Rengoku engaged Gyutaro as Tanjiro and the others attacked Daki.

After recovering at the Butterfly Mansion, Tanjiro learned that the Upper Rank demons had been defeated and that his Nichirin Blade was broken again. He left for the Swordsmith Village to apologize to Hotaru Haganezuka, while Tetsuya arrived at the mansion and tried to stay for a meal.

• Tanjiro woke at the Butterfly Mansion, and Kyojuro Rengoku told him that the demons had been killed but his Nichirin Blade was broken.
• Tanjiro and Kyojuro exchanged combat insights until Shinobu Kocho sent Kyojuro away.
• Tanjiro received a letter from Hotaru Haganezuka refusing to forge him another blade, so he set out for the Swordsmith Village to apologize in person.
• Tetsuya arrived at the Butterfly Mansion, guessed that Tanjiro had gone to the Swordsmith Village, and asked to stay for a meal.
• Shinobu Kocho refused Tetsuya's request, saying the mansion did not have enough food to spare.

After Gyokko and Hantengu attacked the Swordsmith Village and were killed, Nezuko overcame sunlight. Kagaya Ubuyashiki began preparing the Corps for the approaching final battle by announcing Hashira Training, while Tetsuya agreed to help and headed for headquarters; Muzan focused on capturing Nezuko.

• Muzan convened the Upper Rank demons, approved Gyokko’s plan to attack the Swordsmith Village, and sent Gyokko and Hantengu there.
• Muichiro killed Gyokko, while Tanjiro killed Hantengu after a battle that lasted until dawn; Nezuko overcame sunlight.
• Kagaya Ubuyashiki announced Hashira Training and resolved to prepare the swordsmen for a possible confrontation with Muzan.
• Tetsuya reluctantly agreed to help train the Corps and set out for headquarters, concerned Kagaya might sacrifice himself.
• Muzan learned that Nezuko had overcome sunlight and resolved to get his hands on her.

Tetsuya visited the ailing Kagaya Ubuyashiki and transferred the curse afflicting Kagaya and his son Kiriya onto himself. The curse was devoured by the Evil God Space, allowing Tetsuya to pull Muzan's consciousness before him and offer him power as Khorne.

• Tetsuya used a genjutsu to get past Nichika and entered Kagaya Ubuyashiki's room, where he learned Kagaya's curse had worsened.
• Tetsuya promised to break the curse and discovered it connected Kagaya to his son, Kiriya Ubuyashiki, through their bloodline.
• Tetsuya extracted the curses from Kagaya and Kiriya and transferred them onto himself.
• The Evil God Space's counterattack devoured the curse and formed a connection between Tetsuya and Muzan.
• Tetsuya dragged Muzan's consciousness from the Infinity Castle into the Evil God Space and introduced himself as Khorne, offering Muzan eternal life and the power to overcome sunlight.

Tetsuya removed the curse from the Ubuyashiki family and joined the Hashira Training, where he used tailored genjutsu to push Tanjiro, Inosuke, Zenitsu, and Murata toward becoming stronger. The four entered illusions designed around their greatest griefs and fears, with Murata’s illusion casting him as the Demon Slayer Corps’ last hope.

• Tetsuya tempted Muzan with a promise of eternal life and power, then damaged Muzan’s soul when he resisted; Muzan summoned Nakime after waking in the Infinity Castle.
• Tetsuya told Amane that Kagaya’s curse was gone and showed her that Kagaya’s face had returned to normal, though he still needed time and care to recover.
• The Hashira Training began, and Tanjiro, Inosuke, Zenitsu, and Murata were the only ones to reach Tetsuya’s training ground.
• Tetsuya recognized Murata as “Good Friend Ice Room,” then promised to guide the four and make them stronger.
• Tetsuya trapped the four in tailored genjutsu: Zenitsu relived betrayal and loss, Inosuke confronted the truth about his mother, Tanjiro faced Kyojuro’s death, and Murata witnessed Muzan defeat the Corps and spare him as a failure.

Tetsuya noticed Nakime’s search had led Muzan to the Ubuyashiki estate, where Kagaya confronted the Demon King. Izuna emerged from hiding and attacked Muzan, beginning their fight.

• Sanemi Shinazugawa challenged Sabito to a sparring match, and Tetsuya stopped Tanjiro from interrupting it.
• Tetsuya spotted a flying eyeball created by Nakime and realized Muzan had found the Demon Slayer Corps’ location.
• Muzan arrived at the Ubuyashiki estate and found Kagaya waiting for him, apparently free of the Ubuyashiki family curse.
• Kagaya revealed that Izuna would kill Muzan, and Izuna emerged from behind a screen and attacked him with his Nichirin Blade.

Muzan escaped Izuna’s attack and pulled most of the Demon Slayer Corps into the Infinity Castle, where the final battles began. Tetsuya and Izuna stayed behind with Kagaya, while Tanjiro faced Muzan inside the castle with Nezuko at his side.

• Muzan escaped into the Infinity Castle after Izuna cut off half his head, then ordered Nakime to pull the Demon Slayer Corps swordsmen inside.
• Tetsuya told Kagaya that the Corps had been taken to another space, and reassured him that the fighters could defeat Muzan, though they might pay a price.
• Tetsuya teased Kagaya and joked with Izuna about slashing their way into the Infinity Castle before admitting he was only joking.
• Giyu and Sabito faced Doma as Shinobu searched for them, while the Flame and Mist Hashira faced Kokushibo.
• Zenitsu and Sanemi encountered Kaigaku, and Tanjiro appeared before Muzan with Nezuko beside him.

Tanjiro and Nezuko confronted Muzan as he tried to seize Nezuko and conquer sunlight, while Tetsuya entered Infinity Castle and found Murata protecting trapped Demon Slayer Corps members. Murata cut through the demons blocking both ends of the passage, leaving his group a chance to escape.

• Tanjiro severed Muzan’s Nine Tubes with Hinokami Kagura to protect Nezuko, who attacked Muzan with her Blood Demon Art.
• Tetsuya opened a gateway into Infinity Castle and headed toward Murata, sensing the scattered battles inside.
• Murata led junior swordsmen and wounded Corps members through the castle, killing pursuing demons with plain-looking slashes.
• Murata’s group became trapped between packs of demons, and Murata rallied the swordsmen to fight back.
• Murata unleashed two powerful slashes that annihilated the demons blocking both ends of the passage.

Chiba Tetsuya entered the Infinity Castle through a doorway he cut himself, sent the wounded swordsmen out, and gathered Murata and other fighters to aid the Hashira. They joined Giyu and Sabito against Doma, and with Tetsuya’s unseen assistance, Shinobu decapitated the demon.

• Chiba Tetsuya entered the Infinity Castle through a doorway he had cut and used genjutsu to lead the wounded swordsmen out.
• Tetsuya gathered Murata and the uninjured swordsmen to help the other Hashira, then encountered Shinobu Kocho and invited her to join them.
• Tetsuya’s group reached Giyu and Sabito’s battle with Doma, where the two swordsmen wounded the demon during a coordinated attack.
• Shinobu struck Doma’s neck, and Tetsuya’s invisible hands helped guide her blade as she cut off his head.

After defeating Doma and Kaigaku, Tetsuya led the Hashira to join the fight against Kokushibo, while Tanjiro and Nezuko struggled against Muzan. Tengen Uzui and Inosuke arrived to help Tanjiro, as Tetsuya awakened Sun Breathing in the battle against Kokushibo.

• Doma crumbled to ash, and Shinobu Kocho found a moment of peace as Tetsuya led Sabito and Giyu away to continue toward the other battles.
• Zenitsu beheaded Kaigaku with Thunder Breathing: Flaming Thunder God, then rushed off after learning Tanjiro and Nezuko were facing Muzan.
• Tetsuya led the Hashira to Kokushibo, where ten Hashira joined the fight and Tetsuya unleashed Sun Breathing.
• Muzan overwhelmed the exhausted Tanjiro and attacked him and Nezuko with his whips, but Tengen Uzui burst in and cut them apart.
• Inosuke crashed through a wall and charged at Muzan with his chipped Nichirin Blades.

After Tetsuya helped defeat Kokushibo, the demon slayers faced Muzan, who tried to reach Nezuko and escape the rising sun. Tetsuya took control of Nakime and brought the Infinity Castle to the surface, where Tanjiro delivered the final blow to Muzan.

• Tetsuya killed Kokushibo with Sun Breathing and led the others to join the fight against Muzan.
• Tanjiro, Tengen Uzui, Inosuke, Nezuko, and Zenitsu attacked Muzan, while Muzan tried to devour Nezuko before the Sun Breathing user arrived.
• The Hashira reached the battle, and Tetsuya opened a Space-Time Gate to confront Nakime while Kyojuro went to help the others.
• Tetsuya used genjutsu to make Nakime bring the Infinity Castle to the surface, where sunlight turned ordinary demons to ash and forced Muzan to shield himself inside a gigantic demon infant.
• The demon slayers tore apart Muzan's infant form, and Tanjiro cleaved Muzan's exposed body in two with Hinokami Kagura.

After Muzan crumbled to ash, Tanjiro collapsed from exhaustion, and Tetsuya received a golden Virtual Key that let him travel back to the Shinobi World. He spoke with Kagaya Ubuyashiki about the Demon Slayer Corps’ future, which would remain active until they confirmed that no demons survived.

• Muzan died in the sunlight, and Tanjiro passed out after dropping his sword.
• Husky returned, explained that he had been busy writing reports, and gave Tetsuya permission to open the door between worlds with a golden Virtual Key.
• Tetsuya chose to stay for now so he could say goodbye to the people he had come to know.
• Kagaya Ubuyashiki thanked Tetsuya and Izuna for helping him witness Muzan’s defeat.
• Kagaya said he would increase patrols and disband the Demon Slayer Corps only after confirming that no demons remained.

After Muzan's defeat, Tetsuya and Izuna said farewell to the Demon Slayer Corps and prepared to leave the world. They made their final stop at Mount Sagiri, where they exchanged keepsakes with Sakonji Urokodaki before departing into the sunset.

• Kagaya spoke with Tetsuya and Izuna about their plans to leave now that Muzan had been eliminated.
• Three days after Muzan's defeat, the Demon Slayer Corps held a victory feast, and Yoya later announced plans to patrol for remaining demons before disbanding the Corps.
• Tetsuya and Izuna visited Mount Sagiri to say goodbye to Sakonji Urokodaki and Hotaru Haganezuka.
• Urokodaki gave Tetsuya and Izuna handmade fox masks, and Tetsuya left Urokodaki a storehouse key and property documents.
• Tetsuya and Izuna said their final farewells and left as Urokodaki and Hotaru Haganezuka watched them disappear into the sunset.

Tetsuya, Izuna, Madara, and Hashirama traveled to a timeline where Hagoromo and Hamura had advanced society without founding Ninshu. After Madara confronted Hagoromo about treating Indra and Asura fairly, this timeline’s Kaguya joined Tetsuya’s Ōtsutsuki hunting squad, and the group set off for Ōtsutsuki Qi.

• Tetsuya and his companions traveled through a Space-Time Gate to the Shinobi World of over a thousand years ago.
• Hagoromo and Hamura welcomed Tetsuya as their teacher, then explained how his farming knowledge and seeds had helped the world prosper.
• Hagoromo introduced Indra and Asura, and Madara warned him not to favor either child before Hashirama eased the tension.
• Tetsuya invited this timeline’s Kaguya to join the Ōtsutsuki hunt, and she agreed after hearing they had already defeated an Ōtsutsuki.
• Tetsuya, Kaguya, Madara, Hashirama, and the others headed for the Star Sea to find Ōtsutsuki Qi.

Tetsuya and his companions traveled to a planet in the distant past to hunt Ōtsutsuki Qi, while the two Kaguyas and Jigen fought him. After Tetsuya began refining pills from Qi and the God Tree, the planet sent him a surge of natural energy as a gift.

• Tetsuya opened a Space-Time Gate to bring Jigen and the others to the planet where Ōtsutsuki Qi was stationed.
• The two Kaguyas and Jigen volunteered to fight Qi, while Tetsuya and the rest stayed behind to guard against trouble and prevent his escape.
• The two Kaguyas dragged Qi into Amenominaka Space, where Jigen joined the battle, and Tetsuya's group examined the God Tree Fruit.
• Hashirama and Tetsuya heard the planet's plea through their Senjutsu, so they decided to refine the fruit into pills rather than wait for it to ripen.
• After Jigen returned with Qi's corpse, Tetsuya put it into the Pill Furnace and began refining pills as the planet poured natural energy toward him.

Tetsuya refined Golden Pills from Shiki’s corpse and led the group on another hunt, killing an Ōtsutsuki and its God Tree on a planet that had not yet become a Dead Star. He recruited Kaguya to scout further targets as the hunting operation expanded.

• Tetsuya refined Golden Pills from Shiki’s corpse and distributed them to the group, keeping none for himself.
• Izuna suggested revisiting a planet they had found drained by a God Tree in their own time, and Tetsuya agreed to hunt there in the past.
• Tetsuya sent Kaguya and Jigen back to their timeline, then led the others to the planet, where the two Kaguyas killed an unknown Ōtsutsuki and its God Tree.
• Tetsuya gave Kaguya a Star Map and asked her to scout its Ōtsutsuki coordinates, then provided her with a phone to contact the hunting group.
• Tetsuya opened a Space-Time Gate to lead the group toward another world and reopened the Wish Order Platform to find more targets.