Hey! This looks cool! The only suggestion I have would be to give it more space, the composition is slightly cramped :)
Its nice, like it! I would have added some other material or textures(cracks, rust, holes, colors etc.) on the surfaces. It looks like the whole thing is built from one material and looks too solid...(well its a fortress after all:) hope u see what i mean! Thanks for sharing
Nice man! The trail works really well and the spiky things surrounding it in giving scale. The perspective is also nice and the mountain rising from the center in the background.Some critique then. There could be more values involved in the picture maybe and some variation in the structure. Also the right down spot of the picture seems empty, maybe do some landscape or something there to give it more values. Anyways, good job mate!