d eloquently: “We have conducted tests, and once this device explodes, over a hundred steel balls inside will be dispersed in a circular shape. Within ten steps, it can pierce through two soldiers wea...."Okay."Wu Qingcang waved his hand and said, "Let's save the reminiscing for another time. I came here today on business."After finishing his words, Wu Qingcang took out a tightly wrapped yellow cloth...