Place it at the handover point in an edit, right where one person stops and another takes over. Lead into it with a fail sound for the abandoned attempt, then follow it with a bass drop as the replacement gets straight to work.
Über diesen Sound
A single spoken line, 'I will finish what you started,' presented as a short voice clip lasting just under five seconds. The clip feels tense and ominous, like a promise made with no intention of backing down, which makes even a small task sound like a serious vow.