You are Cruentus Fate, are you not?
Cruentus Fate, Book 1: Rota Fortunae
Best known as Sheryl, a reaper who wears a cervine skull mask. For the most part, she never removes it and remains almost fully incognito.
It is said that she is responsible for teaching Chi her medicinal ways and that she so excels in potion making and healing that she has been called the First Alchemist.
Likes: herbs, small animals, and controlled experimentation
Dislikes: excuses, whining, and violence
Mortal Birthday: Unknown