Put it just after the reveal in your edit, then follow it with Awkward Crickets Sound Effect for the next beat, or use Shocking Sound Effect first to build up the moment before this clip closes it.
About this sound
This is a very short Vietnamese spoken clip, under a second long, of Khá Bảnh saying “ảo thật đấy” in a blunt, amused voice. It feels like sarcastic disbelief, funny and sharp when a moment looks exaggerated, fake or absurd. The line comes from a Vietnamese internet figure whose direct reactions became widely reused in memes and online edits.