Dirty Fighting Feat now grants some Damage Bonus to the owner, based on their levels in certain types of Classes.
The Classes are as follows:
Champion of Torm
Red Dragon Disciple
Purple Dragon Knight
These Classes combined determine the bonus you get, based on the following calculations.
24 Levels and below get 1 Damage Bonus.
25 to 34 Classes get 2 Damage Bonus.
35 to 39 Classes get 3 Damage Bonus.
40 Classes get 4 Damage Bonus.
All Damage Bonuses are in Bludgeoning Damage Type.
These bonuses will apply to any weapon.