Isbjorn is the gigantic polar bear companion of the Tundra Orc, J'akull Ironbones. A monstrous beast with a voracious appetite, J'akull has long kept Isbjorn well away from the settlement of Einsamall. This is a wise move, as the Orc knows that the little control he has over the great bear would fail if the beast was confronted with so much potential prey.

As more and more residents of this remote Northern village are found torn to pieces, the ferocious Isbjorn is identified as the likely source of these killings. It is a logical conclusion, but something even more dangerous than the bear stalks the lonely expanse of the Northlands, and even the mighty Isbjorn will be hard pressed to survive the threat from the Horror of Einsamall.