So the king of Israel assembled the prophets, about four hundred men, and asked them, "Should I go to war against Ramoth-gilead, or should I refrain?" "Go up," they replied, "and the Lord will deliver it into the hand of the king."

1 Kings 18:19
Now summon all Israel to meet me on Mount Carmel, along with the four hundred and fifty prophets of Baal and the four hundred prophets of Asherah who eat at Jezebel's table."

1 Kings 22:5
But Jehoshaphat also said to the king of Israel, "Please inquire first for the word of the LORD."

1 Kings 22:10
Dressed in royal attire, the king of Israel and Jehoshaphat king of Judah were sitting on their thrones at the threshing floor by the entrance of the gate of Samaria, with all the prophets prophesying before them.

2 Kings 3:13
Elisha, however, said to the king of Israel, "What have we to do with each other? Go to the prophets of your father and of your mother!" "No," replied the king of Israel, "for it is the LORD who has summoned these three kings to deliver them into the hand of Moab."

2 Kings 10:19
Now, therefore, summon to me all the prophets of Baal, all his servants, and all his priests. See that no one is missing, for I have a great sacrifice for Baal. Whoever is missing will not live." But Jehu was acting deceptively in order to destroy the servants of Baal.

Isaiah 36:10
So now, was it apart from the LORD that I have come up against this land to destroy it? The LORD Himself said to me, 'Go up against this land and destroy it.'"

Then the king of Israel gathered the prophets together, about four hundred men, and said to them, Shall I go against Ramothgilead to battle, or shall I forbear? And they said, Go up; for the LORD shall deliver it into the hand of the king.