Jigoro was unwaveringly devoted to his students and to his strict training. Despite his status as a powerful mentor and experience as the previous Hashira, he had a weak point and an unwavering commitment to raising his next. Jigoro was the instructor of Zenitsu and Kaigaku as the former Thunder Hashira. Kaigaku managed to master all of the Thunder Breathing Forms except for the first Form, meanwhile Zenitsu had only managed to master the first Form and none of the others due to his inexperience