The Other Side of Oblivion
There are many nations and races in the Nexus. They vary in every way imaginable form one another. But above all else, they vary in whether they are from the Nexus or from outside the Nexus. Some people grew up in the Nexus and know it only for what it is; others come from beyond the Nexus and find it an alien and unknown world. Because of this we divide the People of the Nexus into two distinct groupings before we ever begin to identify races and such.
Native races are people from anywhere in the Nexus who have been born within the confines of the Nexus and know only the Nexus as their home. They may know worlds exist beyond the Nexus, but if so they still do not call any of those other worlds home.
Outworlders are people from any world other than the Nexus who have been cast into the Nexus for the first time and are experiencing it as a foreign outsider. There are two kinds of Outworlders known to exist.
The Unscathed are Outworlders who have been transported from their home world to the Nexus without suffering any adverse or beneficial transformations to their person.
The Unyielding are Outworlders who have been transported from their home world to the Nexus, but have only maintained a physical shape and spiritual consciousness through absolute, unwavering force of will.