C51 An Extremely Expensive Raw Stone

Wang Cheng followed Ann Lingrong's gaze and saw a stone the size of a human head. It was placed on the table quietly.

"These raw stones that are about to be auctioned can't be seen. It has greatly increased the uncertainty." At this time, Ann Lingrong said again.

Wang Cheng nodded in understanding and looked at the raw stone.

Using the Qi Observing Secret Technique