Saison 1 / Episode 17 : Parfaire Une Seule Tech... Here

: A flashback reveals Zenitsu’s training under his master (his "Gramps"). While Zenitsu felt like a failure because he could only learn the First Form of Thunder Breathing, his master taught him that it is better to master one single move to absolute perfection than to know many poorly.

: Separated from Tanjiro and Inosuke, Zenitsu encounters a terrifying spider demon with a human head. Despite being poisoned and paralyzed by fear, he is forced into a fight for survival. Saison 1 / Episode 17 : Parfaire une seule tech...

: Zenitsu enters a trance-like state and unleashes his Thunder Breathing, First Form: Thunderclap and Flash , defeating the demon in a single, lightning-fast strike. Where to Watch You can find this episode on major streaming platforms: Crunchyroll Apple TV Netflix (availability varies by region) : A flashback reveals Zenitsu’s training under his