Choose one weapon. You deal extra damage when fighting with this weapon.
Prerequisite: Proficiency with selected weapon, Greater Weapon Focus with weapon, Improved Weapon Specialisation with weapon, base attack bonus 20+.
Benefit: You cause an additional 2 points of damage when using the selected weapon. This bonus stacks with other bonuses to damage for the selected weapon, including the ones from Weapon Specialisation and Improved Weapon Specialisation.
Special: You can gain this feat multiple times. Its effects do not stack.