Fantastic lineart! I already like your style a lot, your buildings and the decorative border in particular look great. Now that Kisachik brought it up, I do see the point about the mountains' angle, but I can't say it really caught my eye on the first viewing. But it most likely is still a good point to consider.

I'd absolutely love to see this colored and textured, I think it could really bring it to a level of awesomeness.
Great map, please keep 'em coming!