If any of the mages of Melderyn have visited this world, they have not told of their experiences.
Aýderi seems to have a special relationship with Terra, but its exact nature remains a mystery. Divination has suggested that Aýderi may, perhaps, be the place where the magic and magical creatures of Terra went when they were driven out by science and technology. If this is the case, Aýderi would be a strange place indeed, populated by the creatures of Terran legend, somehow living together in an uneasy (?) magic-rich balance...