Stone Hashira Gyomei Himejima

Tanjiro reaches Hantengu by using a Thunder Breathing's technique taught to him by Zenitsu, but the demon manifests his resentment, Urami. Genya and Nezuko attack him but Urami and the siblings falls down a cliff. Using the ancient sword provided by Muichiro, Tanjiro decapitates Urami but fails to kill Hantengu. Day breaks and Nezuko begins to burn. Tanjiro attempts to shield her from the sun, but sees civilians being purdued by Urami's headless body. With Tanjiro unsure of whether to save the villagers or Nezuko, she kicks tanjiro away, forcing him to kill the demon. He locates Hantengu hiding inside Urami and kills him, simultaneously saving Mitsuri when Zohakuten disintegrates. Tanjiro grieves Nezuko's death but sees she is no longer burning. Through Hantengu's memories, Muzan realizes his goal to become immortal can be achieved by devouring Nezuko. Once a sickly young man from the Heian period, he killed his doctor in a fit of rage, only realizing after that his treatment had enhanced his physical abilities and saved him, though has left him unable to walk in sunlight. Having failed to find the treatment's last component, the Blue Spider Lily, he resorted to creating demons in the hopes one could conquer the sun. In the aftermath, Muichiro thanks Tanjiro for helping him regain his identity and Mitsuri embraces them for all surviving. As Tanjiro is escorted out of the village, the swordsmiths celebrate him for saving them.