Create a stunning 8k photograph of an ultra-realistic samurai warrior, depicted in full-body shot, showcasing intricate red and black armor. The scene is enhanced with a war flag banner and enveloped in ornate cinematic lighting. The image is high definition, with vibrant illumination that makes it pop, trending on platforms like ArtStation. The hyperrealistic details are captured meticulously, providing an intense focus akin to the Unreal Engine 5 graphics. Set in a dark, red war-torn environment, the atmosphere is alive with smoke, embers, and subtle blur effects, creating a sense of depth of field. The composition is cinematic, maintaining the warrior's centered presence in a 9:16 aspect ratio.