Hazing Strike

 
Prerequisite(s): Improved Unarmed Strike, Stunning Fist, Base Attack Bonus 2+, Dex 13+, Wis 13+
 
Benefit: Victims of your successful stunning attack can't maintain nonmagical altered mental states, including combat focus, dreamtouched, frenzy, psionic focus, and rage. Affected creatures can't regain these states for 1 round following the round when they are stunned.
 
Special: A fighter can select Hazing Strike as one of his fighter bonus feats. Creatures immune to stunning attacks are immune to the effect of this feat.
 
Source: Secrets of Sarlona