. After a grueling battle with an Upper Rank demon that left him with a permanent leg injury, he stepped down from active duty to become a Cultivator
To understand the weight of the name, we must look at the Japanese roots. literally translates to "Heavenly Thunder" or "Divine Lightning." In the context of Demon Slayer , names are never accidental. -Tenrai-Sensei- Demon Slayer- Kimetsu no Yaiba ...
While we know seven forms of Thunder Breathing (including Zenitsu's creator-exclusive seventh form), Tenrai-Sensei is often linked to "lost forms" that were too volatile for the human body to sustain. Why the Character Resonates with the Fandom -Tenrai-Sensei- Demon Slayer- Kimetsu no Yaiba ...