Chapter 1379-'Black Dragon'

took a cold breath!Yuan Gang's mouth rose slightly, and his voice echoed in the training ground again:"since you are not convinced, I will give you a chance, a chance to recognize yourself, a chance... a pen and metal is paper. He is like an artist immersed in his own world. With amazing speed and accuracy, he carves complex and magnificent lines on the surface of the metal block, which makes the s...