During the Mongol Invasion, when Emperor Gouda ordered the shrine to pray to fight off the izoku (barbarians), all of the ships of Yuan sank, and the Emperor presented a plaque to the shrine that says "Tenka muteki hisshori un."
元寇の時には後宇多天皇が当社にて夷賊退治の祈祷を行わせたところ元の船がことごとく沈んでしまったので『天下無敵必勝利運』の額を天皇より賜った。