Extras‎ > ‎Custom Creations‎ > ‎Satinder Hawkes's Lab‎ > ‎Flaws‎ > ‎

Frail

You become fatigued when your body is assaulted by magic or poison. 

Prerequisite: Constitution 11 or lower 

Effect: Whenever you fail any Fortitude save you become fatigued, in addition to any other effects you may suffer. This lasts until you get 8 hours of complete rest. Failing a Fortitude save while you are fatigued causes you to become exhausted.