"Neon Blade Siren"** 32k ultra-detailed poster of a **cybernetic warrior siren wielding twin neon katanas**. Her sleek, futuristic armor is a mix of **black carbon fiber and glowing purple accents**, and her hair, a cascade of holographic light, flows like liquid crystal. The backdrop is a vibrant **cyberpunk cityscape with rain reflecting neon signage**, while her poised stance hints at her lethal precision.