masterpiece, best quality, highly detailed, dark horror, gothic, eldritch monster girl, long black hair with deep blue highlights, glowing crimson eyes, pale skin, semi-transparent pink and black tentacles emerging from the shell, coral and bone textures on the shell, black and gold ornate markings, low light, misty underwater shrine background, eerie and seductive expression, subtle bioluminescent glow, alka_style, black_hair_girl, angry_floral_grunge, sharp_upturned_eyes, dark_atmosphere, gradient_black_hair, flower_shadows, subtle_anger, (grunge_effect), novuschroma style, with patterns