At the age of seven, the story continues, while playing in the Nine Bays River in front of the Dragon Palace, residence of the ruler of the seas, Nacha struck dead the son and heir to the throne of the Dragon King, and even pulled out the muscles and tendons of the dragon to present to his father.
七歲時，哪吒在龍宮上頭的九灣河戲水時，打死了龍王太子，還抽下龍筋要獻給父親，就此和東海龍王結下不解之怨。