Zenitsu was often a coward and once hid in a tree to avoid training, only to be struck by lightning, which turned his hair yellow.
Zenitsu was only able to learn the First Form of Thunder Breathing. His master taught him that if he could only do one thing, he should "hone it to perfection" until it becomes a supreme strike. Kimetsu no Yaiba Episode 17
The episode features a pivotal flashback to Zenitsu’s training under his master, whom he calls "Gramps". Zenitsu was often a coward and once hid
In a moment of extreme fear, Zenitsu falls into a deep sleep/trance and unleashes Thunder Breathing, First Form: Thunderclap and Flash, Six Fold , decapitating the demon in an instant. The episode features a pivotal flashback to Zenitsu’s
While Tanjiro and Inosuke push deeper into the forest, Zenitsu finds himself alone and surrounded by smaller spiders with human heads. He eventually encounters the "Son" of the Spider Family, a demon with a giant spider body and a human head, who reveals that Zenitsu has been bitten and will transform into a spider in 30 minutes. Key Backstory & Power