A colossal mecha bull, towering like a skyscraper, adorned in dark metallic armor with hints of purple and gold. Its glowing neon blue eyes and massive round horns give it a fierce presence, ready to charge with a legendary sword that emits a vibrant neon green and yellow light. The scene is set in a futuristic cyberpunk rendition of the New York financial district, under a bright sun, enhancing the epic and highly detailed nature of the robotic beast.