Choose one type of weapon for which you have already selected Weapon Specialization. You can also choose unarmed strike or grapple as your weapon for purposes of this feat.
Benefit:You gain a +2 bonus on all damage rolls with the selected weapon. This bonus stacks with other bonuses on damage rolls, including the one from Weapon Specialization.
Special:You can take Greater Weapon Specialization multiple times. Its effects do no stack. Each time, it applies to a new type of weapon. Warriors can select Greater Weapon Specialization as one of their warrior bonus feats.