This is very well done! You can see that subtle evil in her expression; the kind of look that shows that she perceives herself to be the queen of all that walks, crawls, flies, and swims. It is the look of someone who has both great cruelty and experience in inflicting pain, yet is incredibly naive at the same time, still seeing the path they walk as nothing more than a game where they can only see themselves winning, yet never knowing that they are the one being played for a pawn.