C77 Grandmother Green

Shea Hao finally arrived in front of everyone under their pessimistic gazes. He signaled the waiter to place the raw stone and said:

"How fast do I choose the raw stone? I estimate it will only take ten minutes. Unlike these two masters, it took more than an hour to choose a broken stone. What a waste of time."

"Look at this raw stone. It is my final choice, the strongest weapon to win the bet