angular submarine spaceship underwater concept art, sharp angular shape, huge engines, canons, navy and black tones, black tones, dark tones, blank background, 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))

((Signature, out of frame, hanging on wall, (white bars), floating buildings, unrealistic, round shape, cars, wake, mountains in the background, low quality, lowest quality, spikes, spiky, round, random lines, wiry, bad drawing, low detail, blurry, smudgy, , text, cartoon, high contrast, bad proportions, plastic, American flag, anime, spikey, pointy, scary, black and white, colorless,))