Create an image of a towering epic robot with intricately designed optical illusions covering its metallic exterior, as it navigates through a futuristic cityscape of neon lights and holographic displays.
Revised Prompt
Compose a visually engaging spectacle of a titanic robotic structure, covered with meticulously crafted optical illusions on it's metallic skin. Have the mammoth mechanoid manoeuvre through a cutting-edge metropolis filled with neon illuminations and holographic projections.