Demon Slayer Manga Chapter 31
In Demon Slayer Chapter 31, titled “The Boar Bares Its Fangs, Zenitsu Sleeps,” the action escalates inside the Drum Demon’s mansion. Inosuke Hashibira, a mysterious fighter wearing a boar’s head, bursts into the scene using his self-taught Beast Breathing technique. Meanwhile, Zenitsu Agatsuma, terrified but protective, faints—and while unconscious, unleashes a powerful Thunder Breathing First Form to defeat a demon instantly. The chapter showcases both characters’ surprising strength and sets the stage for an intense showdown with the Drum Demon.