He answered, ‘I will go out and be a lying spirit in the mouth of all his prophets.’ Yahweh said, ‘You will lure him, and you will succeed. Go out and do it.’
In context
19And Yahweh said, ‘Who will lure Ahab king of Israel into marching up and falling at Ramoth-gilead?’ One said this and another said that, 20until a spirit came forward, stood before Yahweh and said, ‘I will lure him.’ Yahweh asked him, ‘How?’ 21He answered, ‘I will go out and be a lying spirit in the mouth of all his prophets.’ Yahweh said, ‘You will lure him, and you will succeed. Go out and do it.’ 22So here it is: Yahweh has put a lying spirit in the mouths of these prophets of yours, and Yahweh has pronounced disaster over you.” 23At that Zedekiah son of Chenaanah stepped up and struck Micaiah across the face. “Which way,” he said, “did the spirit of Yahweh cross over from me to speak with you?”