Far north in the icy tundra, the battle drums roll forth the call of war. During the harshest winter in decades, the barbarian tribes have united under a new chieftain and are threatening their neighbors.
At first, they were just words -- rumors of things barely understood. Words without any connection to the magical world you know, but heavy with mystery.
The story centers around the demon Na-Krul, one of Diablo's cronies who is tired of being an underling and wants to branch out into his own brand of tyranny over the poor besieged town of Tristram.