Demon Slayers vs Muzan Kibutsuji: Part 1

Demon Slayers vs Muzan Kibutsuji is a battle that took place in the Dimensional Infinity Fortress that occurred between a number of unnamed Demon Slayers and Tanjiro Kamado, as well as Pillars Giyu Tomioka, Mitsuri Kanroji, Obanai Iguro, Gyomei Himejima,Sanemi Shinazugawa, Kanao Tsuyuri, Zenitsu Agatsuma and Inosuke Hashibira against Demon Lord Muzan Kibutsuji.