As for martial arts, he learned swordplay and the art of spearmanship from Kagekane HIKITA, and also learned swordplay from Munenobu HASEGAWA and Hisayasu KATAYAMA, and thus had the ability of kaishaku (to assist someone in committing seppuku by beheading him) during the act of seppuku.
武術については、疋田景兼より剣術と槍術を学んだほか、長谷川宗喜や片山久安からも剣術を学んだとされ、切腹の際の介錯ができるだけの腕前があったという。