Recaps

Su Chen escaped Gyokko by manipulating him with lessons in art, then killed him and made his way to the Entertainment District. There he rescued Hinatsuru, Makio, and Suma from Daki, while the Corps mobilized to find him.

• Su Chen was taken to the Infinity Castle, where Muzan ordered Gyokko to keep him imprisoned until an Upper Rank could supervise him.
• Su Chen convinced Gyokko that he was an artistic genius, using the demon’s lessons and his own disguise to recover and plan his escape.
• Su Chen purged Gyokko’s poison and killed him with a new Dragon Breathing form, then left to return to Shinobu Kocho.
• In the Entertainment District, Su Chen disguised himself as Shinazugawa and met Hinatsuru, who told him the Butterfly Mansion was safe and gave him a map.
• After Makio and Suma reported demon traces, Hinatsuru encountered Daki, who revealed herself as Upper Rank Six and attacked the women.
• Su Chen rescued Suma, recognized that Daki’s zither notes signaled another Upper Rank, and led the women away from danger.
• Su Chen cut off Daki’s head, but Gyutaro remained hidden as Daki cried, while Hantengu was nearby.
• When the Corps learned Su Chen was in the Entertainment District, Shinobu and Sanemi left to find him, and Lady Amane ordered other available Hashira to follow.

Su Chen fought Daki, Gyutaro, and Hantengu in the Entertainment District, then rescued Tengen Uzui from poison and faced Doma in the forest. Su Chen escaped Doma using a clone, while Shinobu Kocho and Shinazugawa arrived at the Kyogoku House seeking the Oiran.

• Doma sent Daki and Hantengu to search for Su Chen and showed Daki a painting of the Blue Spider Lily, while Su Chen refused Hinatsuru’s jewelry and told the kunoichi that three Upper Ranks were present.
• Su Chen revealed himself to Daki at the Kyogoku House, severed her head, and fought Gyutaro until Daki reconnected her brother’s head with her ribbons.
• Hantengu captured Suma, but Tengen Uzui arrived and rescued her as Su Chen drove Daki, Gyutaro, and Hantengu outside to fight.
• Su Chen fought Zohakuten, adapted to his Blood Demon Arts, and cut off his head, then captured the tiny Hantengu as Tengen completed his Musical Score against Gyutaro.
• Su Chen tricked Hantengu and killed him, then intercepted and killed Gyutaro before saving Tengen from poison with Dragon Breathing, Tenth Form-Dragon-Burning Vital Blood.
• Doma learned that Hantengu, Gyutaro, and Daki had died, while Su Chen recovered and left the Entertainment District after learning Sound Breathing and Musical Score.
• Doma trapped Su Chen in an ice sculpture and mistook a clone for the real Su Chen, while Su Chen escaped by train after recovering the clone’s memories.
• Shinobu Kocho and Shinazugawa reached the Kyogoku House, denied a rumor about Shinazugawa, and waited as the madam announced the Oiran.

Su Chen returned from the Entertainment District and joined Tanjiro, Zenitsu, Inosuke, and Kyojuro aboard the Mugen Train, where he overcame Enmu and helped defeat Akaza. The arc ended with the train reaching its terminal and Kanao awaiting Su Chen’s return to the Butterfly Mansion.

• Hinatsuru told Shinobu and Shinazugawa that Su Chen had survived and defeated three Upper Ranks with Tengen, while Shinobu learned that Su Chen had visited Kyogoku House to gather information and rescue the others.
• The Demon Slayer Corps learned of Su Chen’s victories, while Muzan ordered Doma, Akaza, Enmu, and Kokushibo to search for the Blue Spider Lily and find Su Chen.
• Su Chen met Tanjiro, Zenitsu, Inosuke, and Kyojuro aboard the Mugen Train, taught the younger slayers about the defeated demons, and developed Thunder Dragon Breathing after observing Zenitsu.
• Enmu invaded Su Chen’s dream and tried to destroy his Dream Core, but Su Chen’s Memory Palace and Thunder Dragon trapped and killed Enmu.
• Su Chen dealt with the train conductor, took control of the train, and returned it to the tracks as Akaza attacked Tanjiro and Kyojuro.
• Kyojuro fought Akaza and awakened a Demon Slayer Mark, but Su Chen arrived, protected Tanjiro, and challenged Akaza while the others guarded the passengers.
• Su Chen used the Transparent World to evade Akaza’s attacks, learned his techniques, and cut off his head after identifying himself as the Dragon Hashira.
• Su Chen checked Kyojuro’s condition and got the train moving, then Kyojuro confirmed at the Butterfly Mansion that Su Chen had defeated Akaza and saved him.

Su Chen recruited Akaza to help expose Muzan and Doma, while absorbing Akaza’s blood and developing new abilities. Back at the Butterfly Mansion, he treated Shinobu, uncovered a new Time Domain, and prepared to travel to the Swordsmith Village with Kanao.

• Akaza recovered his human memories and agreed to atone by helping Su Chen locate Muzan and lure out Doma, while Su Chen warned him to follow the plan and stop eating people.
• Akaza’s blood strengthened Su Chen and helped him develop Destructive Asura sword techniques, new Breathing forms, Total Concentration-Thousand-Machine, and Mimicry.
• Su Chen parted from Akaza after instructing him to find Tamayo, while Muzan discovered Akaza had betrayed him and feared Su Chen might resemble Yoriichi Tsugikuni.
• Su Chen returned to the Butterfly Mansion, reunited with Kanao, and learned that Kagaya would hold a special Hashira Meeting as Shinazugawa and Shinobu investigated the Mugen Train.
• Su Chen rescued the exhausted Shinobu and treated her with massages, discovering the severity of her illness as she confessed her plan to die while getting revenge on Doma.
• Su Chen used Reversion State and Transparent World to reconstruct Shinobu and Shinazugawa’s conversation at Kyogoku House, then collapsed from the strain and hid his backpack from Shinobu.
• Su Chen understood the new Time Domain and remembered that Shinobu had lost their wager, while Shinobu puzzled over the black stockings she found in his backpack.
• Su Chen agreed to take Kanao to the Swordsmith Village to forge blades for them, and promised to strengthen her training with a blade suited to her power.