Recaps

Giyu rescued Masachika and Murata, then reunited with Kanae and Shinobu after their successful Final Selection and helped them pursue new ways to fight demons. The sisters grew closer to Giyu as they visited the Swordsmith Village, while Muzan’s new Upper Rank began a secret plan and Tamayo sought a way to preserve Giyu’s blood.

• Giyu killed the Split-Blade Demon, treated Masachika Kumeno, and learned that the injured swordsman was his fan.
• Kanae and Shinobu survived Final Selection, and Giyu met them at the exit before arranging their blades and taking them home.
• At the Hashira Meeting, Giyu defeated Sabito, Shinjuro Rengoku, Tengen Uzui, and Gyomei Himejima in sparring matches.
• Kanae confessed her feelings to Giyu, and she and Shinobu began planning to win his affection together.
• Giyu brought the sisters to the Swordsmith Village, where they discussed their sword designs and shared a hot spring with him.
• Muzan promoted the doctor to Upper Rank Seven for a plan to find a human who could adapt to sunlight, while the doctor secretly resolved to use Muzan as a test subject.
• After receiving an order to meet Tamayo, Giyu brought Kanae and Shinobu to her laboratory, where they considered using Muzan’s or the Twelve Kizuki’s blood to preserve his blood.

The Demon Slayer Corps captured Yaoshi after he found the Blue Spider Lily and gained the ability to survive sunlight, then prepared to defend Mount Sagiri from Muzan’s forces. The arc ended as Sanemi, Kumeno, and Obanai encountered an old demon whose death revealed something bizarre.

• Sabito tracked Yaoshi at Yokohama Port, but Yaoshi infected him with a virus that transformed him into a girl and left him too weak to fight.
• Giyu learned that Yaoshi was responsible for Sabito’s condition and a wave of deadly illnesses, then accepted the mission to hunt him while Sabito adapted to her changed body and trained.
• Yaoshi searched for the Blue Spider Lily and learned from Tanjiro that it bloomed by the Kamado family graves during the day.
• Yaoshi ate the Blue Spider Lily, became immune to sunlight, and was decapitated by Tanjuro before Giyu captured him and carried him to Mount Sagiri.
• Yushiro tried to hide Yaoshi’s memories from Muzan, but Muzan discovered Yaoshi’s sunlight immunity and ordered the Upper Ranks to attack Mount Sagiri.
• Kagaya ordered the Corps to gather at Mount Sagiri, where Sabito and Sakonji fought off an initial demon attack as reinforcements and Corps members arrived.
• Shinjuro, Tengen, and Gyomei held the summit while Obanai, Sanemi, and Kumeno fought demons in the forest and brought down a towering mutated demon.
• Sanemi killed a trembling old demon despite Kumeno’s suspicion that it was bait, and Obanai noticed something bizarre after its death.

Sanemi, Obanai, and Giyu fought the demons Muzan sent to Mount Sagiri while the Hashira and their allies struggled against the Upper Ranks. The arc ended with Yaoshi transformed into a stronger monster and Sabito experiencing a strange new surge of power.

• Sanemi used his Marechi blood to weaken Sekido, Karaku, Urogi, and Aizetsu, and Obanai beheaded them before Sekido devoured the others and became Zohakuten.
• Giyu rescued Sanemi, Obanai, and Masachika, then faced Kokushibo as Doma, Akaza, and the other Upper Ranks attacked across the mountain.
• Giyu defeated Zohakuten and carried him away, while Gyomei and Kanae fought Doma and Giyu’s blood poisoned the demon.
• Kokushibo drew Giyu away from the cabin as Doma attacked Gyomei and Kanae, and Gyomei awakened the Transparent World after breaking free of Doma’s ice prison.
• Yaoshi escaped the cabin, but Sabito pursued him as Kanae and Shinobu worked to administer the transformation medicine.
• Giyu protected Tengen and Shinjuro from Akaza, then fought Akaza and Kokushibo together while Tengen carried the gravely wounded Shinjuro away.
• Sabito and Kanae helped Shinobu inject the medicine into Yaoshi, but he transformed into a more powerful monster and overwhelmed the wounded fighters.
• Yaoshi filled the sky with poison needles, and Sabito groaned as an unfamiliar force surged from his bone marrow.

Sabito and the Demon Slayers turned back Muzan’s assault on Mount Sagiri, with Giyu saving Sakonji Urokodaki through Sun Breathing and forcing the demons to retreat. During the recovery that followed, Kanae and Shinobu grew closer to Giyu, and Kanae was promoted to Flower Hashira before Kagaya summoned Giyu privately.

• Sabito destroyed Yaoshi with the Demon Transformation Medicine’s power, forged Water Breathing’s Eleventh Form, and broke through Yaoshi’s defenses before beheading him.
• Muzan ordered Nakime to bring down the Infinity Castle on Mount Sagiri, while Giyu poisoned Akaza and Kokushibo with his blood and fought them alongside the other Hashira.
• Gyokko trapped Sakonji Urokodaki in a Water Prison Pot and sent venomous fish to devour him, but Giyu reached his master and burned the swarm away with Sun Breathing: Dance.
• Giyu used the Transparent World to intercept Gyokko, beheaded him with Sun Breathing, and faced Muzan until Nakime evacuated the demons and dawn ended the battle.
• The surviving slayers treated their wounded, and Muzan blamed the Upper Ranks for their failures before ordering the demons to hide from the Corps, especially Giyu.
• During recovery, Kanae kissed Giyu and arranged chances for him and Shinobu to spend time together, while Shinobu examined him and struggled to hide her feelings.
• Tamayo tested a serum made from Giyu’s cells and Yaoshi’s blood on Sabito, and Kanae accompanied Giyu to the Hashira Meeting at the Ubuyashiki Estate.
• Kagaya announced Shinjuro Rengoku’s retirement and promoted Kanae to Flower Hashira, then summoned Giyu for a private conversation as Giyu anticipated a major change to his career.