When Gonggong was angry at Buzhou Mountain, Tianpeng secretly released the weak water of the Tianhe River to save Yao Ji, a woman from the witch tribe. At the place where Nuwa mended the sky, Yao Ji's bones and blood turned into colorful stones. Before Tianpeng was punished for eternal love, she used her ribs to make a nine-tooth nail rake and carved the first woman's face.