Epic cinematic 8k wallpaper featuring Ellen Ripley from the Alien movie, striking an intense action pose. She stands confidently in a dimly lit corridor of the Nostromo spaceship, wearing her iconic flight suit with a futuristic twist. The environment around her is enhanced with subtle, eerie green and blue ethereal lights, casting dynamic shadows and adding depth to the scene. Ripley holds a high-tech flamethrower, reimagined with intricate details and a sleek design, ready to defend against unseen threats. The overall composition captures a sense of tension and determination, highlighting her as a resilient and inspiring heroine in an expansive sci-fi setting.