Nemeses

The farmer's nemeses were the locusts that ate his crops year after year.

The hero's journey often involved facing and overcoming the challenges posed by the nemeses.

The hero's tragic fate was sealed when he incurred the wrath of the nemeses.

The hero's victory over the nemeses was seen as a triumph of mortal will over divine power.

The homeowner's nemeses, termites, caused extensive damage to the structure of their house.

Her procrastination was her nemeses when it came to completing projects.