Place this clip at the end of a reveal sequence, after the twist has been shown, then follow it with the JoJo To Be Continued sound to leave the moment hanging, or open with the Za Warudo Time Stop sound before the reveal to set up the payoff.
About this sound
This is a roughly seven-second French voice line from Death Note, delivered as a calm, knowing statement that someone could not have foreseen what just happened. It carries a smug, triumphant edge, as if the speaker had planned the outcome all along, and it works best as a quiet reveal rather than a loud outburst. The French wording gives it a distinctive, dramatic flavour for anime fans.