Lightning Mace

(Complete Warrior, page 113, DnD 3.5)

[Style]

You are a master of fighting with two maces at the same time, and have learned to strike your foes with lightning speed.

Prerequisite

Combat Reflexes, Two-Weapon Fighting, Weapon Focus (light mace)

Benefit

Whenever you roll a threat on an attack roll while using a light mace in each hand, you gain an additional attack at the same attack bonus.