I Am an Ancestor in the World of Cultivation

In the college entrance examination room, an ordinary girl, Lu Wanqing, mutated due to an ancestral jade pendant, and traveled through time to become the "ancestor of the Immortal Palace" who has been sleeping for thousands of years in the world of cultivation. ——I didn't expect that this ancestor and the world-destroying demon Ling Jiuxiao would have a bad relationship as master and disciple for seven generations. What's even more frightening is that the blood jade in her heart contains broken memories: "The day the ancestor returns is the time when the Fairy Palace changes its owner"...