The seaweed fields of the Sargasso Sea suffocate the hopes of sailors who fall into their grasp. They stifle the dreams of merchants, the pride of naval soldiers, and the courage of shark hunters. Over the centuries, the greed of this realm of no return has also accumulated some treasures that ignite desire. This siren call even resonates in spheres whose inhabitants are enemies of all gods. The sixth task of their race demands that Asleif Phileasson and Beorn the Blinder retrieve something from this place that is more precious than mundane treasures. But only one of them will succeed...