Feudal Japan samurai warrior cinematic poster

Ultra-realistic cinematic poster of a powerful modern samurai warrior with a beard and short styled hair, wearing black sunglasses and a dark traditional robe, holding a katana. Dual composition with a large intense portrait above and a full-body stance below. Japanese ink painting (sumi-e) style mixed with modern digital art. Background features a dramatic feudal Japan landscape with pagodas, torii gates, bamboo, mountains, and a glowing full moon. Swirling smoke, ink splashes, and fiery energy effects surrounding the character. Subtle battlefield silhouettes in the distance. Warm sepia and gold color palette, textured paper background, high detail, sharp focus, cinematic lighting, epic mood, poster design, 4K resolution.