Roblox avatar, 3D cartoon style, bright colors, shimmering effects, customizable, futuristic cyberpunk cityscape, neon lights, towering skyscrapers, busy streets, holographic advertisements, avatar standing heroically, confident pose, vibrant blue hair, glowing red eyes, metallic silver armor, intricate circuitry details, dynamic cape flowing behind, detailed textures, high-tech gadgets, robotic limbs, bold shading, dramatic lighting, cinematic composition.