Cthulhu, mythical creature, tentacles, deep sea, darkness, mysterious, ancient, ruins, mystical symbols, mysterious glow, underwater palace,illustration,oil painting,highres,masterpiece:1.2,ultra-detailed, HDR,studio lighting,extreme detail description,professional,horror,realistic,vivid colors,deep blue tones, mysterious lighting
Cthulhu, mythical creature, tentacles, deep sea, darkness, mysterious