A Fatal Flaw is a negative trait. Almost every character in The Sims Medieval has one, but certain quests allow a Sim to convert their fatal flaw into a Legendary Trait. The quest summary will say when a Legendary Trait is available through the quest.
Many of the fatal flaws seem to be loosely connected to the Seven Deadly Sins.
Both adults and children have fatal flaws.
- Compulsive Gambler
- Guild Enemy
- Weak Constitution