The Mysterious Letter That Unraveled Zenitsu's Hidden Power - The Creative Blog
Weba user asks about zenitsu's letter and his grandfather's death in the manga series kimetsu no yaiba.
Jun 10, 2026
Weba user asks about zenitsu's letter and his grandfather's death in the manga series kimetsu no yaiba. Another user replies that the letter was from a bird and that kaigaku became. Webas revealed in demon slayer chapter 144, titled successors, zenitsu’s letter brought him news about the sudden death of his master and former thunder.