1 Kings 20:13, 38

Then a prophet approached Ahab king of Israel and said, “Thus says the LORD: ‘Have you seen all this great army? Behold, I will hand them over to you, and you shall know [without any doubt] that I am the LORD.’ ”

So the prophet left and waited for King Ahab by the road, and disguised himself [as a wounded soldier] with a bandage over his eyes.