Alien Terror in Emergency Room

Cinematic sci-fi horror scene in a dimly lit, high-tech hospital emergency room during a heavy storm. An eerie, slender alien entity with dark, symbiotic armor and glowing accents stands tall in the center of the room, surrounded by terrified medical staff in scrubs and white coats. Moody, desaturated teal and charcoal color grading with harsh emergency lighting, dramatic backlighting, volumetric smoke and haze, high-contrast shadows, photorealistic textures, shot on 35mm lens, anamorphic depth of field, suspenseful and chilling atmosphere, 8k resolution. negative_prompt: cartoon, illustration, low resolution, bright cheerful lighting, poorly rendered faces, extra limbs, blurry aspect_ratio: 16:9