Myst Kagekyo/Tropes

H-P
Lady of Black Magic: As if her being a vampire born of demonic powers wasn't a big enough clue. At the core, she is this, without the usual weakness of being physically weaker than her more masculine allies.

Meaningful Name: Myst is named for one of the Valkyrie, and her name is also Norse for Cloud. Her surname, Kagekyo, is actually a rather common name by the author, and the kanji ascribed to her full name is indeed indicitive of her character.

Q-Z
The Don: A rare female example, Myst runs a crime empire that makes Al Pachino blush, and has been for decades, if not centuries.

The Vamp:

Valkyrie: See Meaningful Name above.

Woman in Black : Despite her vampish ways, she is very much this. Consorting with her is like wagering your very life against her finding use for you.