Prompt: An ancient sea serpent, twisting and coiling, emerges from dark ocean depths, scales shimmering greens and blues, eyes glowing amber, in the style of Bakst, Blake, Erte, and Mucha, Art Nouveau illustration, dreamlike atmosphere, moonlit water, long writhing form, flowing yet tense muscular movements, razor sharp focus on serpent's face and eyes, hyperrealistic intricate scales and skin textures, 16K ultra HD resolution, cinematic perspective, atmosphere and lighting blend of artists, masterpiece artwork.