Trope Eater has it - it's a very obvious bit of visual symbolism in regards to evil being a tempting, seductive force.
It's essentially the inverse of Beauty Equals Goodness
, which was quite a healthy trope when I last checked (not that I'm saying Evil Is Sexy
is a healthy trope at present, just that it might, theoretically, be made into one).
edited 20th Oct '12 5:51:52 AM by Iaculus
Freedom of speech includes the freedom for other people to call you out on your bullshit.