Chapter 1757: Unworthy of His Identity

uring difficulty.After understanding, Song Yingxing said: "Your servant dares not disobey your command, but the development of gunpowder requires a large number of experiments, and the application for....The darkness grew deeper, but it was already the last darkness before dawn.Only the heavy rain continued, its sound a clattering like jade falling on a porcelain dish. The whole world was soaked in d...