military Robot concept art, inner mechanics showing, low camera angle, tribal warrior paint decal, torn fabric, brown and white tones, black tones, dark tones, high-tech, subtle scifi features, lab background, rim lighting, deep shadows, ((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, subtle lighting))