space station, Callisto, Jupiter's moon, protagonist, survival, futuristic armor, bloodied, exhausted pose, determined expression, dim lighting, emergency lights, metallic corridors, alien creatures, defeated, weapon in hand, scattered debris, holographic displays, final showdown, high tension, 3/4 view, atmospheric perspective, detailed textures, reflective surfaces, high contrast, cinematic shot, wide-angle lens, dramatic shadows, cold color palette, sci-fi horror theme, climactic moment, immersive environment.