in the darkness, Su Pingbei's military orders are conveyed layer by layer in the form of gestures to ensure that everyone can understand what Su Pingbei means.,as he raised his hand, the already hungry Qin army all cheered up.,the tung oil fell like rain all over the sky, and then the Qin army behind had finished building a bow and shooting an arrow. The front end of the arrow was not a sharp arrow, but a lighted flame.。