With that, Lu Changsheng took off his upper-body garment and began hammering a piece of iron. He would have to strike it again and again until it was truly tempered. He had to put just enough force into it. It was not too much or too little. 0

This fundamental skill required persistence and precise control. The best result came when each strike was delivered with nearly identical force.0

Being a Divine Strength martial artist, Lu Changsheng could control his strength better than anyone else. His strikes were almost identical, as though he were a machine. 0

Moreover, having gone through marrow transformation and blood replacement six times, his stamina was far greater than that of the apprentices. He could keep hammering away for three days straight without getting tired. 0

Blacksmith Ou also kept a close eye on Zhuang Shisan...0