Thematic Bible: Angel attests the call to, by miracle

Then the messenger of Yahweh put forth the end of the staff, that was in his hand, and touched the flesh, and the cakes, - and there came up fire out of the rock, and consumed the flesh, and the cakes, and, the messenger of Yahweh, had departed out of his sight. Then saw Gideon that, the messenger of Yahweh, it was, - so Gideon said - Alas, My Lord Yahweh! forasmuch as I have seen the messenger of Yahweh, face to face! And Yahweh said unto him - Peace be unto thee! Do not fear, - thou shalt not die. read more.
So Gideon built there an altar unto Yahweh, and called it, Yahweh-shalom. Unto this day, it remaineth, in Ophrah of the Abiezrites.