Belariath

Whisper's Clay:
The duessa can change her form more effectively than any other known race or spell outside of some powerful items of magic. This allows her to become the ideal spy, slave, or to simply hide in plain sight. This ability grants the whisper the power to change their size, weight, and physical characteristics, to that of any playable humanoid race; however, this does NOT include races such as Wolven, Sithian, Minotaur, Centaur, Wembic or any other animal-hybrid race. Duessa have been known to slip into the private chambers of powerful men disguised as a new girl, lover, or simply hidden, in order to plant dark whispers into their powerful lover’s ears.

Mechanics: This racial ability works similarly to change self, but they can do more exact changes with facial features, they can decrease or increase their height, weight, and build up a fifty percent difference. They can cast it at any time at will; the ability costs 4 stamina and lasts until canceled, even throughout the day. This ability takes a relatively low level concentration but if the Duessa is damaged too much, or hurt too deeply, such as down forty percent of their life points, they will lose concentration and the spell will dissipate. The only tell-tale markers of a Duessa under guise is their eyes, which will not change appearing as twin coals- always burning, and the unnatural cold of their body, which they cannot disguise. While this ability is in use, the character’s stats do not change.