This was a good challenge for me because the scene has around 65 million polys .
The render time for all the passes was 8 minutes in 1920 x 1080, I use blender for rough shapes and then I send them to zbrush and I start to do the concept for the dragon and the mountains, after this step I moved to blender to retopo all the scene dragon and mountain for the trees Blender has a wonderful system to do pines, oaks, etc.
I use cycles render engine to make lighting, shaders and rendering and AO in blender internal.
Composite was in different softwares blender, and affinity photo with some touches
