Bizarre creatures, so obscurely hidden that most would probably label them monsters or myths rather than true xenians. They reside in the Gengris, a well defended and difficult to reach half-sunk island where they practice horrendous and puissant science-thaumaturgies unknown to other races. They are capricious and alien, but the rare explorers of other races manage to reside amongst them for a time. By all accounts, they are viciously cruel and completely heartless towards the other races and perhaps each other.
Physically, they are amphibious, eel-like humanoids that seem to "swim" as easily in mid air as in water, with great thick tails and "fistfuls" of teeth.