Nemeses

Her lack of self-control when it came to spending was her financial nemeses.

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

Impulsive buying was one of her nemeses that resulted in a financial crisis.

The nemeses of clean energy are the fossil fuel industries that have long dominated the world's energy production.

The chef's nemeses, a lack of fresh ingredients and poor kitchen equipment, limited his culinary creations.

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