Nice work with the texturing, made the drawing look like it was made with real paint!
You also did a good job with proportions, but I can't really criticize the proportions of a monster I don't know about...:P
The only thing I can suggest changing/looking over is the area above monster's collar bone. The texturing just looks a tiny bit smudged and goes above the spikes. This could also be an intentional effect, so I could just be mistaken.
Overall good work!
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