Then the angel of Yahweh put forth the end of the staff that was in his hand, and touched the flesh and the unleavened cakes; and there went up fire out of the rock, and consumed the flesh and the unleavened cakes; and the angel of Yahweh departed out of his sight.
God presented Himself to Gideon as the same God who had appeared to the patriarchs and had fulfilled His promises to them (cf. Genesis 18).