After hearing this, Ning Cheng completely understood. He was sure that the soul-cleansing dew of this seventh-level Xuandan monk also came from him. Ten drops of Spirit Cleansing True Dew is equivalent to one-tenth of the price of one bottle that he sold to Tiangang for auction. It is really pitiful to buy it with two low-grade 'Mist Spirit Pills' and 20,000 spirit stones....