2 Chronicles 20:22-26

When they began singing and praising, the LORD set ambushes against the sons of Ammon, Moab and Mount Seir, who had come against Judah; so they were routed. For the sons of Ammon and Moab rose up against the inhabitants of Mount Seir destroying them completely; and when they had finished with the inhabitants of Seir, they helped to destroy one another. When Judah came to the lookout of the wilderness, they looked toward the multitude, and behold, they were corpses lying on the ground, and no one had escaped. When Jehoshaphat and his people came to take their spoil, they found much among them, including goods, garments and valuable things which they took for themselves, more than they could carry. And they were three days taking the spoil because there was so much. Then on the fourth day they assembled in the valley of Beracah, for there they blessed the LORD. Therefore they have named that place “The Valley of Beracah” until today.