There’s a somewhat common trope, largely in movies, where the hero fights a horde of henchmen and defeats them all. All but a single weak one that is left shivering and eventually runs away (the hero allows). Typically done for comedy, though its comedic value can be disputed due to its overuse.
An example can be found in Kill Bill vol. 1 when The Bride defeats the Crazy 88’s, right before fighting Johnny Mo:
Is there a name for this trope?