At the end of his practice, Masatoshi YURI disclosed to him, a certain method from his family tradition, which had been handed down to MINAMOTO no Yoshitsune, and Ietoshi acquired the skill to fly freely through believing the Atago-shinko faith and was thought to have skills causing superhuman feat.
修行の末に由利正俊より源義経以来の家伝の法を伝えられ、愛宕信仰を信仰して飛行自由を得、その技は神業とされるほどであった。