Snake, detailed snake skin, black scales, silver rune-like markings, long black horns, glowing blue eyes, silver tail with sapphire gem, this creature is ancient evil, masterpiece, best quality

(nsfw:1.5),(Worst quality, bad quality:1.3), jpeg artifacts, normal quality, lowres, (Easynegative:0.8), ((blurry)), cropped, human, white background, simple background, (watermark), (artist name), (painting by bad-artist), (((ugly()), (bad anatomy), cross-eyed, ((multiple tails)), web address, signature, particles, happy, letterboxed, floating debris, ((extra limbs)), open mouth, freckles, realistic, ((blue eyes)), cat, paws,, ((appendages)), arms, extra eyes, ears, legs, extra heads, fur, hair, arthropod limbs, limbs, ((2d))