Place it just before a reveal in a horror edit, then follow it with a scream for the payoff and an oh my god reaction from the person on screen. Keep it as the turning point in the scene, with those reactions doing the work after it lands.
About this sound
This is a brief whispered line, just under two seconds long, delivered in a low, hushed voice as the Preacher. The soft, close delivery feels unsettling and tense, like a warning spoken too quietly to ignore. It comes from The Mandela Catalogue, where the Preacher's whispered presence adds to the series' creeping horror atmosphere.