2 Chronicles 18:2

And after certain years he went down to Ahab to Samaria. And Ahab killed sheep and oxen for him in abundance, and for the people that he had with him, and persuaded him to go up with him to Ramoth–gilead.

Cross-reference

In 2 Chronicles 19:2, Jehu the seer rebukes Jehoshaphat for allying with Ahab, directly responding to the feast and alliance of 18:2.

1 Kings 22:2-28 is the parallel account of Ahab's feast and Jehoshaphat's alliance, with the same narrative details.

1 Kings 22:4 is the direct parallel where Ahab persuades Jehoshaphat to join battle, continuing the same scene.

1 Kings 22:20-22 reveals the heavenly deception that led to Ahab's invitation to battle, connected to the feast in 18:2.