Neon Cyberpunk Turtle in an Underwater Cave

An ultra-detailed cyberpunk turtle with a gleaming chrome shell etched with glowing circuitry, reinforced metallic limbs, and a visor over one eye. It glides through a dim underwater cave filled with bioluminescent coral, neon algae, and stalactites. Neon magenta, cyan, and electric blue light pours through the water, creating dramatic volumetric glow, light rays, and floating particles. The cave walls twist with rusted pipes, submerged cables, and subtle holographic graffiti hinting at a sunken megacity. The turtle leaves a faint, data-like trail of light as bubbles rise and water ripples distort the neon reflections around its chrome shell.