Sable is another character in a small "harem" comedy I'm working on.
She is a former mage, whom, after much study, discovered a method of exploiting loopholes in demonic contracts.
This enables her to keep her soul intact while still commanding immense demonic power.
Her method involves a lot of ritualistic sacrifice, however.

The obligation, in a harem comedy, is that she is only able to sacrifice males, and thus, the main character is always in danger. That's a rule.

She fills a lot of roles that are normally seen in harem comedies.
The original comedy will be to introduce the characters, and after the introduction of the last character, I will begin writing a much more serious story for these characters.

A few more things...
She has no pet demons, minions, or familiars to speak of, mostly because she doesn't want to give anything up to obtain them. Controlling demons usually involves a hefty contract. She' uncompromising when it comes to this.

Her title, "Mistress of the Lashing Dark," is purely self-made. It has no relevance to any adventurer of consequence, but the male lead is impressed by it.

Lastly, I'll be introducing the Male Lead last. He'll be a Priest. It's fitting that a male lead in serious stories is usually a ranger or warrior.
But since this is a harem comedy, the Priest was the role I thought would be best.