Broke

This would be perfect if the lightning would just be more natural or at least diverse. It's too bleach as it is.

It is awesome as it is but can use some amount of lighting work. The illumination for an interior is a little bright. If you use a custom DNC with dark (more contrasting) setting and then use omni lights to distinguish between the darker and lighter areas, it will bring the terrain to life.
+props for the gargoyle idea (top left)