C43 Breakthrough in Bitter Cultivation

Old Man Chu Yun looked at Jiang Nan who was standing in front of the white rock with a serious face. He was training his arm with a serious expression and continuously hitting the rock with his fists, which produced a dull sound.

Jiang Nan only used his fists to hit the hard as iron stone. Every hit increased the praise in the old man's eyes, making Old Man Chu Yun extremely satisfied