Nemeses

The main character's nemeses in the movie were the gang of thieves who had taken over her neighborhood.

Eating too much junk food can be a nemeses to your waistline.

The princess and the evil queen were nemeses in the fairy tale.

Harry Potter and Voldemort were nemeses in the wizarding world.

King Agamemnon's arrogance led to his downfall at the hands of the nemeses.

Sherlock Holmes and Professor Moriarty were nemeses in the detective story.

The hero's nemeses were the villains who sought to destroy the city.