Design a towering, futuristic robot warrior adorned in shimmering metallic armor, wielding a majestic sword with intricate engravings. The robot stands amidst a sprawling, ancient cityscape, with cascading waterfalls and floating islands in the background, creating an epic scene of technological marvel and artistic beauty.

Create an image of a towering, futuristic robot warrior adorned in shimmering metallic armor. The warrior robot brandishes a majestic sword with intricate engravings. The scene around the robot is a sprawling, ancient cityscape, complete with cascading waterfalls and floating islands. The contrast between the futuristic robot and the ancient city enhances the epic nature of the scene, creating a blend of technological innovation and artistic design.