I Have a Sword That Can Break the Nine Heavens

At the beginning of chaos, heaven and earth were not separated, yin and yang floated and fell, the yin energy was thick and formed the earth, the yang energy was light and formed the sky, the earth's yin turned into a python, the sky and yang turned into a dragon, the yin and yang merged into one, and became Tai. The stem that unified the sky was the holy emperor Fuxi, and the evil spirit that united the earth was the ancestor Nuwa. Only Yang is lacking, Yin is lacking and Yang will die. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.