Kougaiji had to do his stepmother's bidding in order to save his hahawe* who was cursed in by Gyokumen Kyoshu to remain as a stone statue on the pillar. Gyokumen has questioned Kougaiji's capability of obtaining Sanzo's kyomon* which was vital in reviving Gyuumoao. Gyokumen threatens that if Kou is not capable of obtaining the kyomon, his hahawe will be stuck on the pillar forever.