1 Kings 20:10, 27-29

And Ben-hadad sent unto him, and said, The gods do so unto me, and more also, if the dust of Samaria shall suffice for handfuls for all the people that follow me.

And the children of Israel were mustered, and were victualled, and went against them: and the children of Israel encamped before them like two little flocks of kids; but the Syrians filled the country. And a man of God came near and spake unto the king of Israel, and said, Thus saith Jehovah, Because the Syrians have said, Jehovah is a god of the hills, but he is not a god of the valleys; therefore will I deliver all this great multitude into thy hand, and ye shall know that I am Jehovah. And they encamped one over against the other seven days. And so it was, that in the seventh day the battle was joined; and the children of Israel slew of the Syrians a hundred thousand footmen in one day.