Unlike Zenitsu, Kaigaku was able to learn almost all ... As a demon, Kaigaku's body adapted to enhance his combat style and his Thunder Breathing also became more lethal. Because he was now ...

They were responsible for all the chaos caused during the Entertainment District Arc and were later defeated by Tengen, Tanjiro,Nezuko, Inouske and Zenitsu ... regenerate a body part and counter ...