In a divine dream, Hisayasu was supposedly given insight and was said to have attained enlightenment to the mysteries of the art of iai. Using this insight and the teachings received from his uncle he formed his own tradition of swordsmanship.
In a divine dream, Hisayasu was supposedly granted wisdom and attained enlightenment to the secrets of iai swordsmanship. Using this knowledge and teachings from his uncle, he established his own style of swordsmanship.