Capture the essence of an ultra-realistic samurai warrior in 8k detail, adorned in intricately designed armor featuring a striking yellow and black motif. He holds a majestic yellow war flag banner that sways with authority. The scene is bathed in ornate cinematic lighting, highlighting each high-definition component with vibrant illumination. The environment resonates with the spirit of a war-torn landscape, with reddish hues and scattered embers dancing in the smoky air. The composition, inspired by trending artwork on art platforms, displays an intense hyperrealism with unparalleled detail. Utilizing the capabilities of Unreal Engine 5, the image is infused with dark, dynamic lumen reflections and a profound depth of field reminiscent of masterful photography. The warrior stands poised, his presence amplified by the immersive elements of a chaotic battleground, all set within a 9:16 aspect ratio.