Corrupted Critical (3.5e Feat)
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Corrupted Critical [Abyssal Heritor]
Your very presence corrupts the critical protections of your enemies.
Prerequisite: Chaotic alignment, one other Abyssal Heritor feat
Benefit: When you roll a critical hit or sneak attack against a creature immune to critical hits (such as undead, constructs, or characters with fortification) you have a 5% chance per Abyssal Heritor feat you possess for the attack to be a critical/sneak attack.
Special: You are so focused on attacking that your awareness of what is around you suffers. You take a -2 penalty to Reflex saving throws.