Prompt: the clash between a Madcat mech and a Gundam in the midst of an urban battleground. The towering, menacing silhouette of the Madcat, with its rugged, industrial design and fierce weaponry, stands in stark contrast to the sleek, futuristic elegance of the Gundam. Sparks fly as their colossal metallic frames collide, showcasing the intensity of their epic confrontation. The backdrop of a war-torn cityscape adds a sense of urgency and scale to the scene, with shattered buildings and billowing smoke emphasizing the high-stakes nature of this colossal showdown between two iconic mechs from different universes.