Sweeping, imaginative, children's book illustration, half mermaid princess, gracefully swimming through an underwater palace with iridescent sea creatures and glittering treasures. Soft pastel watercolors with highlights of gold pencils for a magical touch, curving lines, dreamy landscapes, submerged architecture, mystical luminosity from bioluminescent algae in the depths, serene expression., Self-lighting, Infrared, Doomer, Panorama, Astute detail by: Auguste Toulmouche, Horace Vernet
(Mermaid  Princess:1.5), underwater kingdom.