Epic cinematic high-resolution wallpaper of Ellen Ripley standing amidst a futuristic, dimly lit spaceship interior, clad in her iconic jumpsuit and holding a pulse rifle. The scene is rendered in stunning 8K quality using advanced octane rendering techniques, capturing the intense atmosphere with dramatic lighting and shadows. The background features flickering screens and steam venting from the machinery, adding a sense of urgency and tension. Her expression is determined and focused, highlighting her resilient and fearless nature.