Epic cinematic 8k wallpaper of Ellen Ripley, her face resolute and intense, from the Alien movie, clad in a distressed and dirt-streaked white tank top. The scene captures her in a dynamic action pose, a half-body shot showcasing her determination. Her forehead and cheeks glisten with sweat, emphasizing the stress of the moment. The composition is close-up and photorealistic, with cinematic quality, enhanced by VFX post-production and RTX ray tracing lighting. It is ultra-realistic and hyper-detailed, shot in 4K and 8K resolution using a Mitchell BNC camera, rendered in Octane for maximum clarity and depth. The atmosphere is tense yet compelling, with shadows expertly playing across her features, capturing the essence of a sci-fi action hero in vibrant detail.