8k ultra-realistic photography of a full-body samurai warrior, wielding a war flag banner, dressed in intricate red and black armor with detailed engravings. The scene is illuminated by stunning, ornate cinematic lighting, showcasing high-definition and vibrant colors. The warrior stands in a striking posture, set against a dark, red war-torn environment filled with smoke and embers, creating a dramatic atmosphere. Utilizing the power of Unreal Engine 5, the image boasts hyperrealistic details and sharp focus, with a subtle blur enhancing the depth of field. The artwork channels a sense of intensity and power, trending on art platforms for its dynamic composition and immersive storytelling -- ar 9:16.