However, Kaigaku betrays his former master and the Demon Slayers, and aligns with the demons, being made Upper Rank 6 during ...
Demon Slayer's Tanjiro never achieved one milestone fans were expecting him to, but it was actually never his goal at all.
Who Is Kaigaku in Demon Slayer? As for Kaigaku, he’s a very integral part of the Infinity Castle Arc. Although he might be a replacement for Gyutaro following the Entertainment District Arc ...