Korean woman in ferrofluid corset on black marble floor

The Hydro-Magnetic Corset[ENVIRONMENT]High-gloss Nero Marquina marble floor, deep-black mirror reflections ($n=1.8$). Single 75-degree high-key spotlight. Matte black void background.[SUBJECT]Tall Korean woman, 20s, lithe hourglass, squared to camera. Porcelain skin, eye contact. High, tight ponytail of Bordeaux red hair. No sashes.[COUTURE & SCIENCE]She wears a "Flux-Field" gown featuring a liquid-metal corset bodice composed of Ferrofluid ($n=1.6$). hidden electromagnets are actively pulsing below the stage.[PHYSICS DIRECTIVE]Render Normal-Field Instability. The liquid-metal surface must be pulled outward along the magnetic field lines, forming thousands of razor-sharp, oily-black, geometric spikes.[MATERIAL LOGIC]The spikes are Fractal and Cohesive—they must not look like "splatter." They are organized, jagged, and reflective, catching the 75-degree spotlight with oily, iridescent sheens. The fluid has No Surface Tension in the presence of the field. The black marble floor reflection must accurately show the jagged, spike-filled silhouette of the corset.