>>100616404Alignment. We've seen "heroes" with positive levels who aren't all that helpful or caring, and we've seen villains who may align themselves as evil, but are also fine with having coffee with heroes, like that cactus guy.
I guess evil acts may raise your levels if you're a villain, but I don't know if you regress levels if you're in the positive zone, or if you switch negative signs if you decide to become evil.