Dangerous

She was normal. Normal as normal could get. And of course, she was the foolish one that gave him her all.

He was evil. Nothing more, nothing less. And of course, he used all she had to get what he wanted.

If you think that it's this simple, you're not even close.

"Hell needed horribly bright, self-centered people like him.
They were much better at being dark then demons could ever imagine."