Wow
Wow I have to say this was amazing you really touched on the deep colors and deep lighting to really make it come out well the drawing itself is always mezmrizing with beautiful detail no as a small form of improvment I would love to see a green frame and not a black one it looks like you have a black one there just an idea I'm throwing at you so try it out
~~THINGS TO IMPROVE ON~~
Ad a deep texture green frame or border
~X~