I'm part of a build team. Its brilliant. Here, how to make it better: 1, depth. Add parts that may look slightly run down with moss blocks. Or just depth like a constant window pattern. 2. Windows I can't really see any there. So try to but in a medieval way. And light behind that window up. 3. Threatening, if your going for the threatening look, try this: Tower spikes. Make the top of a tower look like debris has fallen off, and crumbled into spikes. Tower weapons Defense measures