They're hunting down the demon train in an underground expedition. Webin this letter is a notice that zenitsu’s instructor, jigoro kuwajima, has killed himself through seppuku to atone for the acts of one of his students. Webin his fights against demons, we see that zenitsu can generate flashes of lightning when performing exceptionally powerful attacks. Zenitsu also uses a nichirin. Webzenitsu agatsuma, the blonde swordsman known for his flashy techniques and sleepy demeanor, faces a new challenge in demon slayer season 4 episode 7. Webjigoro kuwajima (桑 (くわ) 島 (じま) 慈 (じ) 悟 (ご) 郎 (ろう) kuwajima jigorō?) is the man who trained zenitsu agatsuma and kaigaku. He was formerly the thunder hashira (鳴 (. Webyet again, zenitsu managed to tap into his true power by falling asleep on a mission. When daki lays a trap for the swordsmen with her ribbons, inosuke is taken off. Weba swordsman in the demon slayer corps and one of tanjiro’s peers. Wielder of the thunder breathing technique. He is very timid and when he’s extremely terrified, he. Is there anywhere they explain why he needs to be asleep? I've caught up on the manga after watching the anime, and i didn't catch why zenitsu needed to be asleep to.