Demon Slayer Manga Chapter 40

Demon Slayer Chapter 40 reveals the true source of the chaos inside the Tsuzumi Mansion — a former demon named Kyogai, who controls the rooms by beating drums on his body. As the walls and floors twist and shift, Tanjiro struggles to adapt to the constantly changing space. This chapter of the Demon Slayer manga introduces an unusual and dangerous enemy whose powers turn the entire mansion into a deadly trap.