A close up of a giant octopus with tentacles in the water

ultra-realistic depiction, mythical sea creature, Kraken, elongated tentacles, ominous aura, dark green color, glowing red eyes, facing the viewer, ocean backdrop, detailed armored shell, cinematic lighting, dramatic underwater setting, 4K resolution, high dynamic range, cinestill 800 tungsten, hyper-realistic texture, rich colors, detailed skin texture with barnacles and algae, sharp focus, RAW image, high quality, high resolution, fine detail, masterful artistry.