climax

End, especially to reach a final or climactic stage.

The moment of most intense pleasure in sexual intercourse.

The highest point of anything conceived of as growing or developing or unfolding.

“the climax of the artist's career”

The decisive moment in a novel or play.

“the deathbed scene is the climax of the play”

Arrangement of clauses in ascending order of forcefulness.

The most severe stage of a disease.