realistic detailed image of a smart octopus lecturing a human snorkeling at night, rich deep colors. masterpiece, intricate artwork, very coherent symmetrical artwork, cinematic, hyper realism, high detail, octane render, unreal engine, 8k, Vibrant colors, Smooth gradients, High contrast, depth of field. full body character drawing, clean ink detailed line drawing, intricate detail, extremely detailed, 8k.