Wow, this is great work! I am a high fantasy author looking for a concept artist for a few of my characters. These concepts wont be for commercial use but be for my own person use to keep with all my other documents. If you are interested please email me at TheElderForest@gmail.com. Again, great work!
I don't know how much realism you want here. I think it looks awesome, but I noticed the tips of the bow. The bowstring is wrapped around them, whereas the string ought to be looped around each tip, gripping a nock, like this: [link]