Brutal Strike

Brutal Strike
Type of Feat: General, Fighter Prerequisite: Power Attack, Strength 13, Base attack bonus +6 Use: Selected.

If you use your Power Attack feat to increase your damage with a bludgeoning weapon, you can attempt a brutal strike. You must declare your intention before making your attack. If the attack hits and your opponent takes damage, he must make a Fortitude save (DC 10 + your extra damage from the Power Attack feat on the attack) or be sickened for 1 round. You can use this feat once per round during your attack action. Special: This feat cannot be used against a creature that is not subject to extra damage from critical hits. A fighter can select Brutal Strike as one of his fighter bonus feats.