C916 The Dao Lecture

This kind of stone was mostly used to develop the source and the rules, especially to evolve certain objects. It was the best choice to use this kind of stone. Although it did not have a wide range of use, its rarity made it so precious. Yun Buhui asked in embarrassment. After all, this kind of material was not cheap in his opinion.

"How much do you want?"

When the other party said this