A brave polar bear clad in a complete winter military uniform, gripping a carbine rifle with precision, portrayed in an anthropomorphic form, showcasing extraordinary detail and ultra-high definition, 8k resolution, with a lifelike appearance. The scene is captured with maximum facial detail and styled with cinematic lighting, tall aspect ratio, striking a pose in a snowy, windswept arctic landscape, evoking a sense of determination and stoic elegance amidst a stark yet beautiful winter environment.