tall island city landscape concept art, huge gothic  fortess on a mountain peak, large cliff, ancient romania inspiration, (dome structures, dome), coast, ocean, colors, skyline background, storm, rain in distance, black tones, dark tones, deep shadows, fog, myst,((graphic novel sketch, black sketch lines, low-key cinematic lighting, thick ink outlines, digital oil painting, posterized, cel shading, vector illustration, tenebrism, bold brush strokes, subtle colors))