When Tamuramaro -- he had assumed the post of Seii taishogun (literally, "great general who subdues the barbarians") at that time -- later received orders to subjugate Ezo (inhabited area of the Ainu tribe) in Togoku, he could win the battle with the support from a young samurai and an old monk (they are the incarnations of Bishamonten (Vaisravana) and Jizo Bosatsu (Ksitigarbha) respectively, and both of them are messengers of Kannon), and returned to the capital in safety.
後に征夷大将軍となり、東国の蝦夷平定を命じられた田村麻呂は、若武者と老僧（観音の使者である毘沙門天と地蔵菩薩の化身）の加勢を得て戦いに勝利し、無事に都に帰ることができた。