After Winning Over the Primordial Demon Venerable, I Got an Overpowered Cheat

A Nüxi had always been an ordinary little fairy in the Celestial Palace, until one day her master, Immortal Venerable Lingyao, gave her the important and arduous task of finding the Nuwa Stone, lost somewhere in the mortal realm. Bearing this glorious mission, she first rescued the Lord of the Mountain Spirits, who had been frozen beneath a lake for a hundred thousand years. Then she seduced Yujingzi, an ancient ferocious serpent living in seclusion on Pan Snake Mountain. Before she knew it, she was raising Xuandu, the son of the Ghost Mother, at her side... In the end, she discovered that everyone around her had been using her, all because she was the very Nuwa Stone coveted by every immortal and demon...