With this, the "Record of the Great Peace" explains that the reason why the Imperial family saw the decline of their power after the Jokyu War and the rise of the warrior class is that the sacred sword sank in the deep sea, and continues that the Sun goddess had the sacred sword washed up on the coast of Ise by providing her decree to Ryugu.
これを受けて『太平記』では、承久の乱以降に武家の権力が強く皇室の威光が衰えたのは宝剣が海底に沈んでいたからであるとし、天照大神が龍宮に神勅を下して、伊勢の浜に宝剣を打ち上げさせたとしている。