The Lua Spy Vault is a high-tech, intricate structure with a sleek, futuristic design, featuring smooth, metallic surfaces with glowing blue energy lines that pulse rhythmically. The vault's architecture is geometric and symmetrical, with angular edges and a central, circular access point that requires precise interaction to unlock. The surrounding environment is adorned with Orokin-era decorations, including golden embossed patterns and floating holographic displays that provide cryptic clues.