Incredibly hot, yet incredibly evil women where the evilness outweighs the hotness?

Chat, this is a difficult one, but we need to tackle it. At what point does the villainy get so bad that "aight, hear me out" or "would" will just not cut it anymore. Is there even such a thing? Let's find out.

From the top of my head, any time she's an evil vampire, It's a pass for me. Being undead is already a downside. Having to deal with odd late night houres, cold skin and blood breath is bad enough, you're telling me I have to put up with her murderous tendencies and world domination plans too? Pass.