Place this clip at the exact reveal frame in your edit, preceded by the door knocking sound button to build the approach, then follow it with the dun dun dun sound button if the scene continues into a dramatic aftermath beat for viewers.
關於此聲音
This clip is a short eerie sudden shock sound effect built for an instant scare moment, with a sharp hit that lands without warning. It gives listeners a tense, startled feeling, like the air changed in the room, and it works because the surprise arrives before anyone has time to brace for it at all.