A cinematic 15-second fight sequence inside an abandoned flooded subway station lit by flickering neon ads and emergency red lights. Camera drops from a broken ceiling through floating sparks and dripping cables as two fighters stand ankle-deep in reflective water. Their first clash sends water exploding in slow motion while the camera circles around them in bullet-time. One fighter moves through shattered train windows, each reflection creating delayed ghost copies attacking from different angles. A masked woman slides beneath an incoming blade, katana scraping sparks along the flooded floor with heavy chromatic aberration and glowing reflections. Rapid whip-pans follow brutal close-range exchanges between rusted pillars and derailed subway cars. Both leap onto opposite train roofs while the camera tilts upward through rain leaking from the tunnel ceiling. Final clash freezes mid-air as water droplets suspend around them and a pulse of ripples expands across the flooded station. They land silently on opposite sides of the tracks while flickering neon reflects in the water between them.