"Fay-blooded" or "Children of the Fay."  The five Fay-born races representing the five Elements of existence.  Legends say that it was the fay mingling with humans that spawned these races.

Earth, Water, Air, Fire, Spirit

Mountain, Wave, Wind, Flame, Tree

Solid, Liquid, Gas, Energy, Essence

Dwarf, Dunidae, Seylif, Chein'as, Elf

One each of these races is sacrificed in order to create Magiere the Dhampir by having Bryen Massing consume their combined blood and then rape Magelia.