Black Dragon from Dungeons&Dragons.
I never played that game... I wish I could! :sigh: Oh well. A friend of mine has the Monster Manual, and I scanned all the dragon pics. Since I want to learn to draw dragons on my own, I started to practice with those. The first one among them I drew is this one. (In the same pose as on the reference pic) Dunno why... My favs were the white and the green dragon
But now I suddenly started to like this one
For full size, download.