Here we have, I. The descent which the enemies of Israel made upon them, v. 33. A vast number of Midianites, Amalekites, and Arabians, got together, and came over Jordan, none either caring or daring to guard that important and advantageous pass against them, and they made their headquarters in the valley of Jezreel, in the heart of Manasseh's tribe, not far from Gideon's city. Some think that the notice they had of Gideon's destroying Baal's altar brought them over, and that they came to plead for Baal and to make that a pretence for quarrelling with Israel; but it is more likely that it was now harvest-time, when they had been wont each year to make such a visit as this (v. 3), and that they were expected when Gideon was threshing, v. 11. God raised up Gideon to be ready against this terrible blow came. Their success so many years in these incursions, the little opposition they had met with and the great booty they had carried off, made them now both very eager and very confident. But it proved that the measure of their iniquity was full and the year of recompence had come; they must now make an end to spoil and must be spoiled, and they are gathered as sheaves to the floor (Mic. iv. 12, 13), for Gideon to thresh.