Merry Lytton, or Merlin as he was once known, has been waiting for the return of his friend King Arthur for centuries. It's an eventful wait: only weeks ago, he stopped a wicked plot to magically erupt a nearby volcano. Merry's latest worry is the revelation of his immortality-his modern-day friends are a little too curious. They do not need to know he has a history that could fill a library.Unknown to Merlin, the organization Potestas is furious at his geologic meddling, and an enraged member of the group is determined to wreak vengeance. For the first time in Merlin's ancient life, he must confront an enemy vastly more powerful than himself. Battling high in the skies and over mountain peaks, will Merlin's foe leave him breathless-forever?