After saving the whole gamut of Norse Gods and modern Iceland from a supernatural menace and nuclear weapons, what's the best way to relax and celebrate? For Magnus, the reward for a job well done is an assignment to face even more ancient enemies. This time the bad guys have allies. Which makes things even since Magnus has to risk some of the people he cares for the most. Failure to do the job or risk his friends and allies? Just Ragnarok or Armageddon, if you prefer.