Fantastical, surreal, Concept Art illustration, half fish, half human, Cosmic Mermaid : 1.6, serene, ethereal beauty, underwater palace, radiant scales, crystalline structure, bioluminescent sea life, watery depths, dreamlike ambiance, vivid palette, acrylic, airbrushed, otherworldly, magical., Available light, Hypersaturated, Film Noir, Super-Resolution, Extraordinary detail by: El Huervo, Yuumei
(Cosmic  Mermaid:1.6), beneath aquatic crystal grottos. 