Zhu Bei'er is a piglet that emerges from the shattered Kunlun Mountain after the battle with Luwu. She is injured and Yu Kai catches her. Luo Yingxue heals her. She later absorbs spiritual liquid meant for Yu Kai, becoming a demon with millennia of cultivation. She can speak and expresses gratitude. She is protective of Yu Kai and serves as a companion. Her origins and true nature remain mysterious.
