Extreme close-up of a massive 3D heraldic heater shield, heavy volumetric metal construction. The shield has a deep concave 3D shape with thick protruding gold edges. The core is made of dark, scorched, grainy chocolate steel. A tall, ultra-thin needle-like silver letter "K" is deeply embossed and integrated into the steel, spanning 95% of the vertical space. Dramatic side lighting, heavy shadows, realistic brushed metal textures, glints of light on polished silver and gold. Photorealistic, 8k, Unreal Engine 5 render style. Isolated on white.