You know what really sets apart great pictures from good pictures?
It's what you do with the details really. For example, adding clawed nails to a set of hands that would normally have standard nails, just so it adds a bit more menace. Of you can add a bit more highlighting to an energy effect, just to make it look more natural. You could add an effect to the background so it makes it look like there's a city rising from mist or it's being viewed through frosted glass. You know, little things. The little things make a picture.
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