Epic cinematic 8k wallpaper of Ellen Ripley, her expression resolute yet tinged with fear, from the Alien movie. She is donned in a white tank top, positioned in a dynamic action pose for a half-body shot. Her forehead and cheeks glisten with sweat as she presses her back against the wall of the Nostromo space shuttle. The setting is a dimly lit, sci-fi ambiance with expertly crafted ray tracing techniques. The image showcases rim light accentuating her features, with a centered composition in a dark room. The scene is captured with ultra-detailed, movie-quality precision, offering a stoic and moody cinematic atmosphere. High contrast elements paired with shallow focus and RTX ray tracing create ultra-realistic visuals. The artistic style involves ambient lighting inspired by Rembrandt, embodying a high-fashion edge with precise lumen reflections, all rendered to ultra-realistic detail using octane render technology, in glorious 8K resolution.