A side low-angle shot captures a colossal bear-shaped mecha, towering over black metallic skyscrapers, as it lunges forward in a powerful charge. The giant robot, constructed from polished obsidian-colored metal with glowing neon accents, grips a massive katana with both mechanical paws, swinging the blade in a wide, aggressive arc. The surrounding urban environment consists of monolithic black metallic buildings that dwarf the city streets below, emphasizing the robot's immense scale. The visual style is a high-contrast anime aesthetic featuring bold halftone dots, scattered graffiti marks, and punchy neon colors. Thick outlines and a pop-graphic composition create a sense of chaotic energy, blending street art and comic book elements with digital noise effects for a vibrant, high-energy atmosphere.