Mermaid Queen in Steampunk Underwater Palace: A mechanical mermaid queen in a Victorian steampunk underwater palace, seated on a bronze and quartz throne with hissing valves. Her upper body is polished brass inlaid with color-changing, programmable pearls, and veins of steam illuminate in amber gold. Her hybrid tail is made of flexible alloys with deployable piston fins and mechanical tentacles that spin like propellers. She wears a crown of Victorian circuitry with energy gems, and her hands, clad in metal mesh gloves, hold a plasma beam scepter. The setting includes cracked glass domes with