I'd give it a 6/10 overall. It's not a bad look per se, but it doesn't really make me stop and examine it either. Are the skulls on your legs part of the pants or the boots? If it's not part of the boots, I would try to find a pair with more green or purple to them, as the light blue just reminds me of aquasox I had as a kid. I dig the helm, though I think it would fit better if you could find a darker recolor of it.
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Here is my Demon Hunter. I'm not sure if the current mog is more of a work in progress or a placeholder until I get more gear to pick from. Feedback would be greatly appreciated.