Some time later, the Philistines came back into the hill country and camped in Rephaim Valley.
Later, the prophet went back and warned Ahab, "Benhadad will attack you again next spring. Build up your troops and make sure you have some good plans."
Then David ordered his troops to burn the idols that the Philistines had left behind.
David asked God what he should do, and God answered, "Don't attack them from the front. Circle around behind them where the balsam trees are.
The Philistines had already camped in Rephaim Valley and were raiding the nearby villages.