Chapter 1261: Compared to Shen Wansan, How Are You?

"Your servant dares not disobey your command, but the development of gunpowder requires a large number of experiments, and the application for materials is afraid that it cannot avoid the eyes and ear...The Emperor of the Imperial Heavens nodded and said, "Not bad. I plan to set off late today and head directly to Changbai Mountain's border pass. As soon as the Qin state allows passage on this side,...