The Raigo's curse did not end with the killing of the prince, but he was transfigured to a giant rat like a bull which had a stone body and iron fangs.
頼豪の恨みは皇子を取り殺してもなおおさまることはなく、その身は石の体と鉄の牙を持つ、ウシのように巨大な大鼠へと変化（へんげ）した。