Two-Weapon Combat

Two-Weapon Combat (General)
You can fight effectively with a weapon in each hand.
Prerequisite: Base attack bonus +1.
Benefit: When you fight with two weapons, you take no penalty to your attack rolls so long as at least one of the weapons is a light weapon. You take only a –4 penalty toall attack rolls if both weapons are one-handed.
Normal: A character who is not proficient in two-weapon combat has a –2 penalty to attack rolls if using a lightor one-handed weapon in his primary hand and a light weapon in his secondary hand, or –6 if using a one-handed weapon in each hand.

Two-Weapon Combat

Glimpses of Hyboria Elfbane