For it happened, when the flame went up toward the sky from off the altar, that the angel of Yahweh ascended in the flame of the altar: and Manoah and his wife looked on; and they fell on their faces to the ground.
Evidently Manoah also assumed that the Angel of the Lord was a prophet (Judges 13:17). The Angel told Manoah that His name was "wonderful" (Heb. pil’i, Judges 13:18, "beyond understanding," NIV).