Frost dragon from Skyrim.
This awesome guy took me about 3 hours to sketch and more than 1 hour to colour.
And, he has a very strange coloring, I'm not sure I got it perfectly right, specially on the wings :/
I used a lot of references taken from my own screenshots and some Internet images.
Frost dragons (c) Bethesda
Art (c) me
Feel free to use it for your own sketches.
To do list:
Blood dragon > [link]