Nemeses

Superman and Lex Luthor were arch nemeses in the comic book.

His phobia of heights was one of his nemeses that prevented him from enjoying outdoor activities.

The superhero's nemeses were constantly coming up with new plans to defeat him.

His fear of public speaking was his nemeses when it came to advancing his career.

Her fear of public speaking was one of her nemeses in her career advancement.

The superhero and supervillain in the comic book were nemeses.

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

Time management and work overload were his nemeses at the workplace.