Millennia ago, a magical disaster caused the fall of a great worldwide civilization, the end of a golden age. New civilizations have fought their way up from the ancient destruction and chaos, knowing little of the lost world that preceded them or the details of its fall.
Corus today is a world of contending countries, of humans, but also of strange animals and supernatural creatures. It is a place of magical powers and of a few people who are talented enough to use them. Alusius, the hero of the story, is one.