Epic cinematic 8k wallpaper capturing Ellen Ripley from the Alien movie, her face expressing unyielding determination and steely focus. She wears a white, worn, and dirt-smeared tank top, positioned in a dynamic half-body action pose. Her brow and cheeks glisten with sweat, showcased in a hyper-realistic, close-up shot. The scene is crafted with cinematic movie quality, enhanced by state-of-the-art VFX post-production and RTX ray tracing lighting to highlight every detail. Ultra-realistic and intricately detailed, the image offers HD, HDR, 4k, and 8k resolution clarity, as if captured on a classic Mitchell BNC camera. With Octane render bringing the scene to life, this image encapsulates vivid realism, adding subtle imaginative tweaks while preserving the essence of Ripley's iconic portrayal.