Chapter 523 See the light through the clouds IX

　　If one were to ask who in this world knows Xia Yuxi best, it's neither her disciples nor Li Tianqiong. The one who understands her the most is the fox demon Bai Cheng.　　Zhou Ge had been gone and come back after three days. Bai Cheng had already anticipated that Xia Yuxi would take matters into her own hands upon hearing his news, so he made an early escape. It wasn't until half a day into their flight that Bai Shengxue realized.　　Zhou Ge and Bai Shengxue met up. They exchanged their recent experiences and then flew up to Yinluo Peak, striving to uncover any clues.　　The cave had been renovated, with an upper level for people to live in and a lower level housing a secret chamber for refining sand.　　Zhou Ge lit up the lamps to inspect. The black sand grains left on the stones looked eerily familiar. He gently touched them with his hand, and they were still warm.　　"It seems I've seen this somewhere before... Where was it?"　　"I have something to say, but I'm not sure if I should," Bai Shengxue remarked.　　"Go ahead and speak your mind."　　"This sand is definitely not ordinar