Cinematic Horror Scene: Hallway Figure Encounter

one-take cinematic horror scene, [old apartment hallway] at night, one [young woman] holding a [phone light], slow tracking shot, tense silence. first step: ceiling light suddenly goes out, brief blackout, light returns, hallway seems normal. second step: light goes out again, slightly longer blackout, faint strange sound, light returns, bathroom door is now more open, her breathing becomes faster. third step: she hesitates in fear, then takes one more step, longest blackout, eerie low laugh in darkness, light snaps back on, a [pale inhuman figure] is suddenly standing motionless directly in front of her face, intense dread, cut to black. realistic, oppressive, restrained, psychological horror, [cold green and dirty yellow] lighting, shallow depth of field, film grain, high-end horror movie quality.