1 Kings 22:30
King James Version
“And the king of Israel said unto Jehoshaphat, I will disguise myself, and enter into the battle; but put thou on thy robes. And the king of Israel disguised himself, and went into the battle.”
Context
27And say, Thus saith the king, Put this in the prison, and feed him with bread of affliction and with water of affliction, until I come in peace.
28And Micaiah said, If thou return at all in peace, the LORD hath not spoken by me. And he said, Hearken, O people, every one of you.
29So the king of Israel and Jehoshaphat the king of Judah went up to Ramoth-gilead.
30And the king of Israel said unto Jehoshaphat, I will disguise myself, and enter into the battle; but put thou on thy robes. And the king of Israel disguised himself, and went into the battle.
31But the king of Syria commanded his thirty and two captains that had rule over his chariots, saying, Fight neither with small nor great, save only with the king of Israel.
32And it came to pass, when the captains of the chariots saw Jehoshaphat, that they said, Surely it the king of Israel. And they turned aside to fight against him: and Jehoshaphat cried out.
33And it came to pass, when the captains of the chariots perceived that it not the king of Israel, that they turned back from pursuing him.