this wave of arrows seems to be menacing, but because the Liao army does not know the specific target at all, it only shoots aimlessly, so it does not cause much casualties to the Qin army.,the sudden cry of killing caused a riot in the Liao army, but soon a Liao army went out to support it.,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.。