The story depicted on the scroll of Engi Kaji no Maki (Exorcism of the Emperor) is that Myoren healed the Emperor Daigo of a disease with the miraculous power of incantation and prayer.
延喜加持の巻で、醍醐天皇の病気を命蓮の加持祈祷の法力で治したという話が語られる。