Related Clues:
- Cause of one's undoing
- Anathema
- Cause of ruin
- Moriarty, to Holmes
- Spy film poison
- Poison with an odor of bitter almonds
- Thorn in the side
- ___ of one's existence
- Source of harm
- Scourge of one's existence
- Garlic, to a vampire
- ''. . . the __ of my existence''
- Proverbial thorn
- Cause of destruction
- Poison in apple seeds