A stunning 8k ultra-realistic image of a samurai warrior in a full-body pose, draped with a striking yellow war flag banner. The warrior is clad in intricately designed yellow and black armor, enriched with ornate cinematic lighting that highlights high definition clarity and vibrant illumination. The scene is inspired by trending artworks on platforms like ArtStation, exhibiting hyperrealistic and meticulously detailed craftsmanship. Set within Unreal Engine 5, the setting casts a dark mood through lumen reflections and enhanced depth of field, akin to fine photography. The background is a rich reddish war-torn environment, filled with swirling smoke and glowing embers, creating an intensely cinematic atmosphere. The armor features faint traces of red to contrast with the darkness, amplifying the epic nature of the scene.