Ok, I think I'm at a point where I can start to paint the base!
It feels like a real milestone, and I am looking forward to tackling it. I think I will do it next, even though Sharro and the revenants aren't 100% complete as I can then make sure all of the components come together cohesively.
You can see from this pic that I removed most of the walkway from the top and opened it right up again. I can be so fickle sometimes! I have also attached it to a plasticard box as a plinth to raise it off the ground and give me a place to put some kind of nameplate.