Dark, eerie atmosphere, abandoned asylum, creepy corridors, flickering fluorescent lights, dimly lit, old medical equipment, rusted wheels, broken wheelchairs, torn curtains, peeling walls, eerie sounds, whispers, creaking doors, haunted portraits, ghostly apparitions, possessed patients, blood-stained floors, operating tables, surgical tools, sinister doctors, nurses with twisted faces, grotesque makeup, tattered clothing, worn-out shoes, eerie silhouettes, ominous shadows, dark corners, macabre medical experiments, creepy dolls, old toys, broken furniture, dusty cobwebs, foreboding atmosphere.