Daniel 3:19, 25

Then Nebuchadnezzar was filled with fury, and the expression of his face was changed against Shadrach, Meshach, and Abednego. He ordered the furnace heated seven times more than it was usually heated.

He answered and said, “But I see four men unbound, walking in the midst of the fire, and they are not hurt; and the appearance of the fourth is like a son of the gods.”