Ling Han was only touching as well, and did not choose yet.
He wanted to take a look at all the raw stones in the low-grade area, and only then would he make his choice. With his "ability," he only had to take a look at the raw stones that Niu Buqun chose, and he would be able to accurately know what the latter's gains were. He would be completely able to make adjustments accordingly, and just win that slight bit more than the latter.
Why did he have to do this?
That was because Ling Han felt that tricking him just once would be too boring.
This time, he would be humiliating them in spirit, and next time, he would deliver a severe strike at their finances.
After making a full circle, Ling Han was slightly surprised.