Ahab could feast; Elijah could not, or would not. Ascending Carmel not quite to the highest elevation 1 Kings 18:43, but to a point, a little below the highest, from where the sea was not visible, he proceeded to pray earnestly for rain, as he had prayed formerly that it might not rain.
Related Commentaries of 1 Kings 18:42
1 Kings 18:42
42 So Ahab went up to eat and to drink. And Elijah went up to the top of Carmel; and he cast himself down upon the earth, and put his face between his knees,