Greater Multiweapon Fighting
( Epic Level Handbook, p. 69)[General]
A creature with three or more hands can fight with a weapon in each hand. The creature can make up to three attacks per round with each extra weapon.
Prerequisite
Improved Multiweapon Fighting (EL) , Multiweapon Fighting (MM) , Multidexterity (MM) , DEX 19, Base attack bonus +15, three or more hands,
Benefit
You may make up to three extra attacks with each extra weapon you wield, albeit at a -10 penalty.
Special
This feat replaces the Greater Two-Weapon Fighting feat (originally presented in Masters of the Wild) for creatures with more than two arms (and functions identically to that feat if you have fewer than three arms).