You always make good on your threats.
Prerequisites: Str 13, Power Attack, Cleave.
Benefit: You must expend your psionic focus to use this feat. Whenever you threaten a living foe with a critical hit on a melee attack, you can choose to automatically confirm the critical hit.
Normal: All hits that threaten a critical hit must be confirmed with an additional successful attack roll.
Source: Complete Psionic, page 55.