the main force of the Liao army is very large, and it takes a long time to pass through this cramped tiger jumping off a cliff. Su Pingbei is like a patient hunter, waiting quietly.,all Qin troops immediately began to act in accordance with the predetermined battle plan.,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.。