The Protoss Fleet Beacon is a towering, futuristic structure with a sleek, metallic exterior adorned with glowing blue Protoss energy conduits. Its design features a central spire surrounded by floating, angular platforms, all constructed from a polished, dark alloy with intricate engravings. The structure emits a soft, pulsating blue glow from its core, highlighting its advanced alien technology and serving as a beacon for Protoss fleets.