There Is Something Wrong with This Immortal Cultivation

Many years later, Lu Yun, a successful practitioner, still remembered the night when he started practicing. "Sister Fairy, my spiritual power is so dark, is it really okay?" "You practiced according to the Tao Te Ching, so there must be no problem." At that time, Lu Yun believed in Sister Xianzi's words and had no idea what he would encounter in the future. There is something wrong with this immortal's cultivation!