Water Breathing (水みずの呼こ吸きゅう Mizu no kokyū?): A Breathing Style taught to him by the Water Hashira before him, Sakonji Urokodaki. As the Water Hashira, Giyu is his generation's most skilled Water Breathing user. Giyu has completely mastered this swordsmanship style, to the point that he created an entirely new technique within the Breathing Style and impressed Akaza who had fought Water Hashira in the past.