With the War of Vengeance over, the dwarfs of the Old World have begun to rebuild their empire. But they have been drastically weakened by their conflict with the elves, and as great earthquakes tear the mountains asunder, enemies old and new descend upon the dwarf holds. To the west, in the Dragonback Mountains, the dwarfs of Ekrund think themselves safe from the threats faced by their eastern cousins. They are wrong. As greenskins march into their realm in terrifying numbers and war beckons, the Angbok clan and their fellows must fight to save everything they hold dear.