Epic cinematic 8k wallpaper featuring Ellen Ripley from the Alien movie, her face showing a mix of determination and fear. She's wearing a classic tank top and poised in an action stance. The half-body shot captures her forehead and cheeks glistening with sweat as she presses her back against the Nostromo space shuttle's cold, metallic walls. The scene unfolds in a dimly lit sci-fi setting, employing advanced ray tracing for dramatic rim lighting and intricate detail. The cinematic composition centers on her, highlighting the stoic intensity of her expression in a moody, high-contrast atmosphere with Rembrandt lighting effects. The use of shallow focus and RTX ray tracing lighting enhances the ultra-realistic feel, all rendered in Octane for unmatched detail at 8K resolution. The scene echoes the tension and grit of cinematic storytelling while incorporating subtle creative twists.