Session 5 is now finished, and all of the scales are now complete. All that remains is coloring for the fire, teeth, tongue, claws, horns, and spikes.
Here is the portion of the dragon on my arm, after session 4:
And here is the same area after session 5:
The scales are for the most part three shades of blue - purple blue, light blue, and a blue-white combination. Darker colors were used in the shaded areas for depth, and the previous black and white shading adds to the effect.
This is a picture of the coloring that was done this session:
This session was 2.5 hours, no breaks. The next session should finish it off.