Then the angel of the LORD said to Elijah, “Go down with him; do not be afraid of him.” So he arose and went down with him to the king
Here, I. The king issues out a warrant for the apprehending of Elijah. If the God of Ekron had told him he should die, it is probable he would have taken it quietly; but now that a prophet of the Lord tells him so, reproving him for his sin and reminding him of the God of Israel, he cannot bear it.
Commenting on 2 Kings 1:9-18
And the angel of the Lord said unto Elijah, The same as in Kg2 1:3 or "had said" (g), as some render it, before this captain came: go down with him; the captain and his men: and be not afraid of him; of King Ahaziah, whom he might fear, because of the message he had sent him, that he should die of that sickness, and...
he arose, and went down with him--a marvellous instance of faith and obedience. Though he well knew how obnoxious his presence was to the king, yet, on receiving God's command, he goes unhesitatingly, and repeats, with his own lips, the unwelcome tidings conveyed by the messengers.