anticlimax
Anticlimax is a narrative or rhetorical device in which a sequence of events builds toward a peak of expectation, only to be followed by a disappointing, trivial, or understated conclusion. The effect can be humorous, ironic, or critical, depending on how the setup and payoff are framed. The term combines anti- with climax; climactic derives from Greek klimá, meaning ladder or step, used metaphorically for rising action.
In literature, rhetoric, and media, anticlimax can occur when a scene or plot reaches a high point
Anticlimax appears across genres, including drama, prose, poetry, film, and television. It can function to deflate