What are Mystiques?
Mystiques are digitigrade humanoids with magical abilities gained from the air they breathe. Like humans, Mystiques inhale oxygen to create and, hypothetically, exhale carbon dioxide. However, a magical element in their body splits the carbon dioxide's two oxygen atoms, and then clings to the carbon monoxide molecule to create myst to be exhaled through their vents.

For a healthy Mystique, their magic nullifies the toxicity of the carbon monoxide myst. For an unhealthy Mystique, be it physically or mentally, their toxicity levels can rise, becoming a threat to anyone's health who comes within breathing distance of their myst.

A female-dentifying Mystique is called a Mystress.
A male-identifying Mystqiue is called a Myster.
All other nonbinary-identifying Mystiques are simply called Mystiques.

(Under construction...)