(A photorealistic depiction of a young adult mermaid deep underwater in the dark deep sea:1.4), with floating purple hair floats in the depths of the dark ocean, (perfect darkness:1.2), (perfect mermaid:1.1), (she holds an ancient book with yellowed parchment pages:1.3), In one hand, she holds a round, bulky deep-sea fish with a wide head and large teeth, featuring a fine long rod-like appendage from its forehead ending in a fine glowing orb, (glowing orb slightly lit the pages and her beautiful face:1.5), (The lighting design of the image calls for a completely black frame with a single small light source in the center provided by the fish:1.5), (the mermaid’s skin, scales, and facial features are rendered in exquisite detail, capturing every texture and nuance, She casts an incredibly seductive, loving gaze upon the viewer, accompanied by a faint smile, The image should be in high resolution and photorealistic quality), (the dark background features a mystical glowing underwater landscape, with shimmering corals, gentle sea plants, and curious glowing marine life:1.8), the mermaid’s skin, scales, and facial features are rendered in exquisite detail, capturing every texture and nuance. The image should be in high resolution and photorealistic quality