Recognized races are races whose linage can be traced back to ancient times, they find it extremely difficult to breed with impure races, and recognized race interbreeding is nearly impossible, and can only be acheived through assistive science and Magic.

Impure races are races that have had their bloodline tampered with along the way, and while Pellials, Scarda and Plumaries can often have recognized sub-races and pure-bred trees, it is impossible to tell with any certainty where their ancestors bred and reproduced with other races or sub-races, thus they fall under the category Impure.