Kimetsu No Yaiba Episode 17 -

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

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. Kimetsu no Yaiba Episode 17

The episode features a pivotal flashback to Zenitsu’s training under his master, whom he calls "Gramps". While Tanjiro and Inosuke push deeper into the

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. The episode features a pivotal flashback to Zenitsu’s