Ooh, two in one
Ah, this one could be a skull... or a torso that appears to be burning and the folded arms lurch into the greens, with the head rising above it. Brilliant that you've managed to cram some shapes in there which leave a liberal route for interpretation out there :)
Either of these two interpretations of a face looks quite angry and sinister, so that creates a nice dark ambience to the piece, completed with the colour scale that you've chosen and the night sky in the background. Perhaps a few less stars there would have been better utilised.
I think that on the lower side of the image, harder lines could have been used, take something from Picasso and even go for the strong black outlines, to emphasise these parts. Maybe they will make more of an impression?
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