Cathlyn is an anime writer with years of experience covering some of the biggest and most popular series of all time. She loves writing listicles, features, and query-based articles about all things ...

The following contains spoilers from the Demon Slayer: Kimetsu no Yaiba manga or anime. Zenitsu and Kaigaku's rivalry stems from past bullying, betrayal, and their shared mentor's influence. Kaigaku ...

This article contains spoilers for the Demon Slayer manga. Zenitsu does not awaken the demon slayer mark, defeating Kaigaku with a new technique instead. To unlock the mark, one must survive ...