Full-body ultra-realistic depiction of a samurai warrior, adorned in intricate yellow and black armor, holding a dynamic yellow war flag amidst a war-torn battleground. The scene is illuminated with ornate cinematic lighting that highlights the high-definition details and vibrant colors, making it a trending piece on art-focused platforms. The environment is enveloped in a reddish hue, with smoke and embers adding to the intensity, while lumen reflections create a dramatic depth of field. The use of Unreal Engine 5 enhances the hyperrealism, capturing the focused essence and powerful presence of the samurai in a detailed and evocative photographic style.