C100 Underground Competing Field

"Boom!"

A loud sound shook the earth.

When the last cigarette went out, Cui Chengyu used the last of his strength and threw the huge boulder to the side. Cui Chengyu also cried out in response as his belly rose and fell intensely, his clothes were drenched in sweat and stuck tightly to his body. Cui Chengyu looked as if he was on the verge of death, his face ashen