Chapter Summaries

Sapphire Star fed Tanjiro, Zenitsu, Inosuke, and the Butterfly Mansion residents an enormous meat feast before Tanjiro prepared to travel to the Swordsmith Village and apologize to the swordsmiths. Shinobu Kocho ended the evening by assigning the three boys to wash the dishes.

• Sapphire Star teased Inosuke with the promise of teaching him Demon Mode once he became a Hashira, then Shinobu Kocho sent him back to training.
• Sapphire Star served a lavish meat feast at the Butterfly Mansion, and Tanjiro, Zenitsu, Inosuke, Shinobu Kocho, and the residents ate their fill.
• Sapphire Star asked Tanjiro about his next journey, and he said he was going to the Swordsmith Village to apologize to the swordsmiths and ask about swords.
• Inosuke asked Tanjiro to bring back the village's dirt buns, while Zenitsu argued with him about food.
• Shinobu Kocho told Tanjiro, Zenitsu, and Inosuke to wash the enormous pile of dishes after their meal.

After a period of peace, Japan suffered increasingly frequent earthquakes, and the Demon Slayer Corps discovered that Mount Dayue was moving under an unknown power. Rengoku and Uzui witnessed the mountain open a golden eye, while Muzan was jolted awake by tremors shaking the Infinity Castle.

• Kagaya Ubuyashiki received reports of frequent earthquakes and learned that Mount Dayue had moved more than three hundred zhang in three days.
• Kagaya dispatched Kyojuro Rengoku and Tengen Uzui to investigate the shifting mountain.
• Rengoku and Uzui found enormous trenches and no evidence of demons or a Blood Demon Art.
• Mount Dayue split open to reveal a vast fissure and a glowing golden eye, then hurled boulders at Rengoku and Uzui.
• Rengoku and Uzui escaped the falling rocks and hurried back to report that the mountain had come alive.
• Muzan woke as the Infinity Castle shook and angrily demanded an explanation from Nakime.

Ubuyashiki sent four Hashira to join Rengoku and Uzui after learning the Sapphire Star had gone alone to Mount Dayue. She shattered the mountain’s rocky shell and revealed Shara Ishvalda, and the five Hashira reached the battlefield and joined her fight.

• Ubuyashiki ordered Giyu Tomioka, Sanemi Shinazugawa, and Gyomei Himejima to return to Mount Dayue with Rengoku and Uzui after revealing the Sapphire Star had gone there alone.
• The Sapphire Star struck Mount Dayue with her Fatalis Demolisher, provoking a roar and a massive earthquake.
• The Sapphire Star attacked through the collapsing mountain and forced it backward as its stone armor broke apart.
• Shara Ishvalda emerged from the mountain, revealing its enormous form and destructive power.
• The five Hashira arrived, recoiled at Shara Ishvalda’s size, then followed the Sapphire Star’s warning and charged from different directions.

The Sapphire Star and five Hashira fought Shara Ishvalda, whose roar nearly killed them before she wounded it and drove it away. As they returned to headquarters, she wondered how the Elder Dragon and a resurrected demon had appeared without warning, then offered to teach the Hashira to hunt Elder Dragons.

• Shara Ishvalda's sonic blast severely injured the five Hashira, but the Sapphire Star healed them with Lifepowder.
• The Sapphire Star directed the Hashira to distract Shara Ishvalda, then used her Clutch Claw and Fatalis Demolisher to knock it down.
• Shara Ishvalda vanished before the Sapphire Star could strike its heart, leaving the battlefield transformed into a cratered basin.
• The Sapphire Star identified Shara Ishvalda and questioned how it and the resurrected Hand Demon had appeared without warning.
• The Hashira headed back to headquarters, and the Sapphire Star promised to teach them how to hunt Elder Dragons.

Muzan confronted Nameless Hundred Faces over the destruction of the Infinity Castle and learned its power had replayed a story rather than controlled the dead. After seeing a projection of Xeno'jiiva, Muzan was shaken by its power as Nameless Hundred Faces promised that Sapphire Star would bring him a gift beyond his imagination.

• Muzan raged at Nameless Hundred Faces for the damage caused by the summoned creature and demanded to know why it had awakened in the wilderness.
• Nameless Hundred Faces said it had merely replayed a story and called itself a reader of Miss Sapphire Star's storybook.
• Muzan seized Nameless Hundred Faces by the neck and threatened to send its head to the hunter.
• Nameless Hundred Faces formed a screen showing Sapphire Star's past battles, then revealed Xeno'jiiva.
• Muzan stared in fear and disbelief at Xeno'jiiva's projection as Nameless Hundred Faces described it as true eternity and promised Sapphire Star would bring him a magnificent gift.

After the Hashira recovered from the dragon’s attack, they discovered their Nichirin Blades had been badly damaged. Kagaya Ubuyashiki sent them and the Sapphire Star to the Swordsmith Village to get new blades forged.

• Rengoku discovered that the Sapphire Star’s potion had healed the Hashira’s wounds and restored his missing ear, though it could not cure Himejima’s eye condition.
• Tomioka pointed out that the Hashira’s Nichirin Blades were ruined, and Shinazugawa’s blade broke as he drew it.
• Shinobu returned and admired the Sapphire Star’s armor while Kagaya thanked her for her help.
• The Sapphire Star offered to provide materials from her world to repair or reforge the damaged swords.
• Kagaya ordered the Hashira and the Sapphire Star to head to the Swordsmith Village, where Kanroji and Tanjiro had already arrived.

The Hashira and the Sapphire Star reached the Swordsmith Village and gathered for a meal with Tanjiro and Muichiro. Upper Rank Four Hantengu stumbled into their dinner, recognized the assembled demon slayers, and fled outside, where they immediately pursued him.

• The Kakushi carried the five Hashira and the Sapphire Star up the steep mountain road to the Swordsmith Village.
• At the village entrance, Rengoku asked Himejima about Genya, and Kanroji offered to lead everyone to Tanjiro and Muichiro.
• The group found Tanjiro and Muichiro together, and the Sapphire Star brought out roasted dragon ribs for dinner.
• Hantengu crawled into the room, saw the assembled Hashira, Tanjiro, and the Sapphire Star, then politely backed out and closed the door.
• Sanemi and the others drew their weapons, and the Sapphire Star led the group outside to attack the panicked Hantengu.

Doma reflected on the earthquakes caused by the being at Mount Dayue before Muzan summoned the Upper Ranks to confront Nameless Hundred Faces about his Blood Demon Art. After killing Nameless Hundred Faces, Muzan ordered the Upper Ranks to attack the Swordsmith Village, convinced his plan would cripple the Demon Slayer Corps.

• Doma mused that the earthquakes shaking the Eternal Paradise Cult came from a powerful being at Mount Dayue, whom he imagined becoming strong enough to emulate.
• Akaza struck Doma when the demons gathered in Infinity Castle, and Kokushibo warned him not to start pointless fights.
• Muzan blamed Nameless Hundred Faces for summoning the being that caused the earthquakes and demanded an explanation of his Blood Demon Art.
• Nameless Hundred Faces explained that his ability opened a doorway for lingering wills to replay past actions, but Muzan killed him before he could finish explaining.
• Gyokko reported that he had located the Swordsmith Village, and Muzan ordered the Upper Ranks to destroy it and take Nameless Hundred Faces's body along.
• Muzan remained in Infinity Castle, confident that destroying the Swordsmith Village would throw the Demon Slayer Corps into chaos and advance his quest for immortality.

The Sapphire Star pursued Hantengu through the Swordsmith Village and killed his split forms before tracking down and capturing his true body. Hantengu’s death sent the Nergigante Spike’s pain through Muzan, leaving him unconscious in the Infinity Castle.

• Kokushibo recognized seven Hashira-level presences and another ancient power near the village, while Akaza silently recalled the Sapphire Star.
• The Sapphire Star sent Tanjiro and the Hashira to find replacement Nichirin Blades, then raced after Hantengu alone.
• The Sapphire Star used a Sonic Boom Bomb and her Long Sword to cut Hantengu apart, then killed Sekido and Zohakuten as they formed from his flesh.
• The Sapphire Star tracked Hantengu’s true body with Scoutflies, struck him from the Hate Demon’s heart, and sealed his head with a Nergigante spike.
• The Sapphire Star wrapped Hantengu’s remains for Tanjiro, while Muzan suffered the spike’s pain through their blood link and collapsed before he could finish ordering Nakime to summon the others.

Nameless Hundred Faces revealed his belief that the Sapphire Star was Muzan’s only chance to escape a doomed fate, while the Upper Ranks abandoned him. At the training ground, the Upper Ranks attacked the Hashira and Tanjiro, whose Sun Breathing drew Kokushibo’s attention as Kokushibo prepared a lethal strike.

• Nameless Hundred Faces told the Upper Ranks that Muzan’s future held only oblivion and that the Sapphire Star could change it, but they left him alone on the cliff.
• The Upper Ranks surrounded the Hashira and Tanjiro at the training ground, where their worn swords and training weapons broke under the demons’ attacks.
• Kokushibo destroyed Yoriichi Type Zero, while Akaza, Doma, and Gyokko fought the Hashira and injured Gyomei, Tengen, and others.
• Tanjiro used Hinokami Kagura against Kokushibo, who recognized Sun Breathing and demanded the names of Tanjiro and Muichiro.
• Kokushibo raised his blade and unleashed Moon Breathing, First Form: Dark Moon: Evening Palace, against Tanjiro.

Lady Miraruzu revealed that Nameless Hundred Faces had served as the anchor that brought Sapphire Star into the world, then sent him to retrieve Dire Miralis’s soul. After the encounter, she restored him as Nameless Hunter, leaving him alive but unable to read the stories of the dead.

• Nameless Hundred Faces watched a total eclipse appear and met Lady Miraruzu, who healed him and explained that he had anchored Sapphire Star’s arrival.
• Lady Miraruzu took Hundred Faces to the sea where Dire Miralis lay slain and ordered him to find the dragon’s lost soul.
• Hundred Faces approached Dire Miralis, who awoke and prepared to attack a ship before Lady Miraruzu stopped him.
• Lady Miraruzu returned Hundred Faces to the forest, restored his body, and took back the power that let him read branching paths.
• Lady Miraruzu named him Nameless Hunter, and he found that his heart was empty and his power to read the dead was gone.

After defeating Hantengu, the Sapphire Star became trapped in a strange forest and encountered a mysterious girl in white who knew about Fatalis. The girl overwhelmed her in battle and knocked her unconscious, leaving her to wonder what had happened as darkness closed in.

• The Sapphire Star tried to escape the unchanging forest, but her Scoutflies could not guide her out.
• The girl in white appeared behind the Sapphire Star and caught her sword tip with her bare hand.
• The Sapphire Star attacked with her Long Sword, but the girl dodged her strikes and repeatedly disrupted her movements.
• The Sapphire Star unleashed her Red Sharpness Long Sword, but the girl deflected the attack and pressed a hand to her chest.
• The girl in white sent the Sapphire Star crashing to the ground, saying she had won this time and hoping the Sapphire Star would keep lighting the way forward.

A cat in Strange Armor appeared during the battle against the Upper Ranks, healing and shielding the injured swordsmen. As the cat played its Hunting Horn to strengthen them, the swordsmen rallied to protect it while the boss was expected to arrive.

• Kokushibo's attack on Tanjiro was blocked by the Ochre Strange Shield, which provoked every Upper Rank Demon to attack it.
• Sanemi Shinazugawa touched a Green Bug, and its healing motes restored the swordsmen's wounds and strength.
• A cat wearing Strange Armor emerged behind the shield and frantically defended itself against Kokushibo, Akaza, Doma, and Gyokko.
• Kyojuro Rengoku, Giyu Tomioka, Gyomei Himejima, Tengen Uzui, and Mitsuri Kanroji counterattacked the demons to protect the cat.
• The cat planted its battered shield, played its Hunting Horn, and used an Inspiring Sound Wave to heal and strengthen the swordsmen while awaiting the boss.

The Sapphire Star woke in the Swordsmith Village, learned that Felyne Cart drivers had rescued her and taken a third of her money, then rushed to the battlefield. She defeated Kokushibo, but Muzan stole his severed head; afterward, she reunited with her cat and set aside the mysteries of the rescue and the missing head.

• The Sapphire Star woke in the Swordsmith Village and discovered that a third of her coins was missing from her purse.
• Tetsu gave the Sapphire Star Muichiro Tokito's reforged Nichirin Blade, and she hurried to the training grounds while the cat knocked Akaza unconscious with its club.
• The Sapphire Star broke Kokushibo's Flesh Blade, wounded him, and beheaded him as Tanjiro, Sanemi Shinazugawa, and Giyu Tomioka pursued the fleeing Upper Ranks.
• Muzan ordered Nakime to open a gap and snatched Kokushibo's severed head before the Sapphire Star could retrieve it.
• The cat reunited with the Sapphire Star and admitted that it had paid the Felyne Cart drivers a third of her money for their cross-world rescue.

After the battle, the Sapphire Star reunited with her Palico and the Demon Slayer Corps prepared to return to the village and replace their weapons. The group reconsidered Giyu Tomioka’s awkward remarks, while the Palico eagerly chose Mitsuri Kanroji for the promise of dried fish.

• The Sapphire Star learned that her Palico had brought her to the village and then climbed the mountain to help fight, and it explained that it had been badly battered while protecting everyone.
• Mitsuri Kanroji and Sanemi Shinazugawa tried to pet the Palico, but it fled to the Sapphire Star until Mitsuri offered it dried fish.
• The Sapphire Star returned a Nichirin Blade to Muichiro Tokito, and Purgatory gave Tanjiro Kamado his broken sword’s guard after praising his Hinokami Kagura.
• The Hashira discussed replacing their weapons, and Tanjiro explained that Hinokami Kagura was a family dance he had adapted into sword techniques alongside Water Breathing.
• The Sapphire Star suggested Giyu Tomioka might mean that he himself was weak when he said he was different from everyone else, and the group agreed to ask him about it the next day.
• Mitsuri offered to carry the Palico back with dried fish, and it leaped into her arms while claiming it only wanted to spare the Sapphire Star’s friends’ feelings.

The Sapphire Star helped the Swordsmith Village smiths forge Nichirin Blades from monster materials, then the Hashira discussed the resemblance between Yoriichi Type Zero and Tanjiro. In the Infinity Castle, Muzan ordered the Upper Ranks to stand down, kept Kokushibo barely alive, and promoted Nakime to Upper Rank Four.

• The Sapphire Star showed the swordsmiths how to hammer monster materials into a Blade Blank after they failed to work the materials themselves.
• The Hashira noticed that Yoriichi Type Zero resembled both Tanjiro and Upper Rank One, but the Sapphire Star dismissed their speculation and pulled Tanjiro and Tengen away to eat.
• Muzan questioned Akaza about Nameless Hundred Faces and reprimanded the Upper Ranks for acting without considering the Sapphire Star's power.
• Muzan ordered Doma, Gyokko, and Akaza not to act without permission and told them to keep searching for the Blue Spider Lily.
• Muzan sensed that Kokushibo remained barely alive inside the cocoon, then promoted Nakime to Upper Rank Four and asked her to find him a softer, sturdier bed.

At the Swordsmith Village, the Sapphire Star asked Giyu why he believed he was different, and he revealed that he felt unworthy of being the Water Hashira because Sabito had saved him during Final Selection. Tanjiro reminded him of Sabito and Makomo’s continued support, helping Giyu accept his place among the Hashira and begin reconnecting with his companions.

• The Sapphire Star questioned Giyu about why he repeatedly said he was different, and Giyu explained that he had failed Final Selection while Sabito had saved him.
• Tanjiro told Giyu that Sabito and Makomo had helped him train and urged Giyu to honor their sacrifice by living well and protecting others.
• Giyu broke down quietly as the Hashira offered their support, then thanked Tanjiro and accepted a toast as the Water Hashira.
• After the meal, Giyu helped clear the dishes and thanked Tanjiro again, while the Sapphire Star teased the Palico about her supposedly aloof persona.

The Sapphire Star returned to headquarters after defending the Swordsmith Village, accompanied by a Palico that struggled with the village’s secrecy rules. She asked Oyakata-sama for missions and agreed to hunt the increasingly dangerous lesser demons, leaving the Kakushi to prepare urgent assignments.

• The Sapphire Star said goodbye to Tanjiro, the Hashira, and the others before leaving the Swordsmith Village with Hikigusa and the Palico.
• Hikigusa and another Kakushi member blindfolded and carried the Sapphire Star and Palico, but the Palico wriggled free and caused a commotion before they secured it again.
• At the Ubuyashiki Estate, the Sapphire Star asked Oyakata-sama about demon incidents across the country.
• Oyakata-sama explained that lesser demons were acting more savagely and reports of attacks had spread from coastal fishing villages to mountain villages and castle-town outskirts.
• The Sapphire Star volunteered to take missions against the lesser demons, and Oyakata-sama asked the Kakushi to prepare briefs for the most urgent locations.

The Sapphire Star hunted Nosubera, a winged demon that tried to evade her by flying, and killed it with a boulder and her sword. Afterward, she wondered where Inosuke was, since she had come to find him and Zenitsu as well as help the Demon Slayer Corps.

• Nosubera emerged from its dirt shelter and went looking for food before the Sapphire Star and her Palico tracked it to a tree.
• The Sapphire Star used a Sonic Boom Bomb to flush Nosubera out, but the demon claimed its wings and claws were ordinary travel gear.
• Nosubera flew out of reach and taunted the Sapphire Star after her Clutch Claw and flash-and-sonic attack failed to bring it down.
• The Sapphire Star hurled a huge boulder at Nosubera, crushed it, and finished it with her sword before it could regenerate.
• The Sapphire Star recalled that Inosuke had been sent to hunt Nosubera and wondered where he was after the demon turned to ash.

The Sapphire Star found Inosuke fighting Kaigaku after Kaigaku attacked him and mistreated villagers. She healed Inosuke, confronted Kaigaku, and sent him to headquarters to face punishment.

• The Sapphire Star and her Palico followed clues from Nosubera to Little Stone Village, where they found Inosuke fighting a swordsman.
• Kaigaku used Thunder Breathing to kick Inosuke down, and the Sapphire Star struck Kaigaku and healed Inosuke.
• Inosuke explained that Kaigaku had insulted him, attacked villagers, and ignored his warning that there was no demon in the village.
• The Sapphire Star ordered Kaigaku to go to headquarters for punishment, then returned Inosuke's cracked boar headgear.