Epic cinematic 8k wallpaper featuring Ellen Ripley from the Alien movie in an intense action pose, set against a dimly lit, otherworldly spacecraft interior with flickering lights and colorful atmospheric effects; her determined expression and dynamic stance exude bravery and resilience, as she wields a futuristic weapon, ready to confront unseen dangers; slight enhancements include a subtle glow around her figure, adding a sense of heroism and making her a focal point amidst the detailed, textured environment.