Creating Credible Female Villains -note to self use this for the blue war. Also, borderline personality disorder is rarely done right I books, and is a cop-out. I know people with bpd and they are not villains, just difficult to understand.
How to Write a Book And Get it Published: A Beginner's Guide
This infographic gives brief summaries of the 12 Jungian personality archetypes, for use when building charcaters. As with any writing tools, archetypes are really most useful if you think of them as a starying block - you cannot simply reduce people to 1