Do You Even Workout Bro?

This feat can be achieved by working out in a gym for the equivalent of 20 downtime days over 1 month. Those days must be spend lifting weights, stretching, doing cardio, resistance training, yoga, and other strength, mobility, and flexibility training.

As a result you can add +1 to either your Strength, Dexterity, or Constitution (not to exceed 20). This feat can only be applied once, and can only be used for 1 ability score.