Chapter 312: Gambling on stones

"My dear Xiao, is that really Black Water Gold?" Yi Yun followed Ethan Xiao's footsteps, came up to him and asked in a low voice.
Xiang Rong also showed a look of surprise and curiosity. Based on their understanding of Ethan Xiao, he would definitely not be interested in a piece of third-grade black water gold.
"If it's not Black Water Gold, then what is it?"Ethan Xiao smiled mysteriously.
Yi Yun and Xiang Rong curled their lips, looking as if they would never believe you.
"Okay,...