Volume 3 (Believe in Yourself) introduces one of the most iconic characters of the series—Zenitsu Agatsuma, a fearful yet surprisingly powerful Demon Slayer. As Tanjiro continues his mission, he encounters new allies and faces increasingly dangerous demons with unique and terrifying abilities. The tension builds as teamwork becomes essential for survival. Despite Zenitsu’s cowardly nature, moments of hidden strength and lightning-fast combat leave a strong impression. The volume masterfully blends humor with intense action, offering readers both emotional depth and entertainment. Tanjiro’s unwavering kindness continues to influence those around him, even in the darkest situations. The artwork becomes more dynamic as battle sequences grow more complex and visually striking. The themes of courage, friendship, and self-belief shine strongly throughout the story. Readers witness how fear can coexist with bravery. This volume further strengthens the series’ emotional and action-driven appeal.