C438 Yin yang palace

In fact, Ling Tianfei had never fired a shot before either, but the cannon he fired often was from the Ling Xiao Er, and that was purely natural, only capable of being taught by others. The cannon he was facing now was a technological product from the machinery of the Industrial Revolution. If he aimed incorrectly and calculated inaccurately, it would be a waste of the cannon bow list