You Called Me Useless, Now I'm Invincible. Why Are You Crying?

(A brainless villain power fantasy) The female protagonist is not human. A wicked enchantress who wreaks havoc, she is immortal and possesses limitless power. But though her power endures, her body cannot last forever. To obtain a perfect soul that will harmonize with her, the Chaos Ancestor tells her that only a woman with a pure soul can help her transcend life and death. They strike a deal. To complete her reincarnation mission and become the ruler of the future, Ning Yan possesses the body of a girl on the brink of death. Ning Yan doesn't go easy on anyone. Whoever gets in her way, she rolls up her sleeves, grabs a stick, and gets to work.