C612
It was something that I found in an underground karst cave. I also saw that it was weirdly shaped, and its material was also hard, so I took it back, but I was unable to open it.
Senior must have a way. With so many things on my display, this stone is the most valuable. Senior truly has a good eye! "
Hearing that Long Tianhao wanted to buy this rock, that young man immediately flattered him