Epic cinematic 8k wallpaper featuring Ellen Ripley from the Alien movie, her face resolute and serious, dressed in a white battered and dirty tank top. The shot captures her in a dynamic action pose with a half-body composition, her forehead and cheeks glistening with sweat in a photorealistic style. The scene boasts cinematic movie quality with meticulous VFX post-production, including RTX ray tracing lighting. The ultra-realistic portrayal is hyper-detailed, utilizing HD, HDR, 4k, and 8k technology, shot on a Mitchell BNC camera using an octane render, maintaining the essence while adding a subtle futuristic touch with ambient neon reflections.