Epic Weapon Specialization

 
Prerequisite(s): 21+ Character level, Weapon Focus, Weapon Specialization, Epic Weapon Focus all in chosen weapon.
 
Benefit: Add +4 to all damage the character deals using the selected weapon. If the weapon is a ranged weapon, the damage bonus only applies if the target is within 30 feet.
 
Special: A character can gain this feat multiple times. Its effects do not stack. Each time the character takes the feat, it applies to a different type of weapon.
 
Source: Epic Level Handbook