In Japan, there is a legend which relates that when Emperor Reigen had a high priest named Reiku search for the scripture having the most remarkably miraculous effects, Reiku selected Jikku Kannongyo.
日本では、霊元天皇が最も霊験あらたかな経典を霊空和尚に探させた結果、これに行き着いたという伝説がある。