Yahweh said to Gideon, The people are yet too many; bring them down to the water, and I will try them for you there: and it shall be, that of whom I tell you, This shall go with you, the same shall go with you; and of whoever I tell you, This shall not go with you, the same shall not go.
Now Gideon's men just stood there blowing their trumpets and holding up the pitchers. And the Midianites became so startled and so discomfited, they began swinging their swords at each other in the darkness and in the confusion. They began to wipe each other out and they began to run while Gideon and his men were just standing there blowing their trumpets. God has interesting ways of turning the enemy on his heel.