C791 Refining a Chariot

When the white smoke dissipated, what appeared was a dark iron hammer.

Yuan Ge pinched it with his hand and felt that it was still a little hot. He smiled and said, "Not bad, this is the iron hammer! It is a real iron weapon."

"But why do you need to make a hammer?" Qing Shi was puzzled.

Yuan Ge shook the stone hammer in his hand and replied