C550 New Idea
Very quickly, under the admiring gazes of the group of blacksmiths, Ning Xiao forged three two meter long straight barrels. However, the riflemen inside were the most important. It was relatively difficult to precisely make the riflemen with forging techniques.
Ning Xiao could only use some of the techniques in the 'Vibrating Symbol Art' to forge the foundation of the Yin Yang Rifle. After that