Your precise strikes and sneak attacks deal additional damage.
Prerequisites
Ability to use Action Points, Heroic Precision, base attack bonus +9.
Benefit
When you spend an action point to activate your Heroic Precision feat, choose one type of precision damage you are using with the attack (such as a Rogue’s Sneak Attack). Roll your action dice and add the total result to the precision damage. This follows all the normal rules for precision damage of the chosen type.