Your critical hits cause opponents to become stunned.

Prerequisites: Base attack bonus +17, Critical Focus, Staggering Critical.

Benefit: Whenever you score a critical hit, your opponent becomes stunned for 1d4 rounds. A successful Fortitude save reduces this to staggered for 1d4 rounds.

Special: You can only apply the effects of one critical feat to a given critical hit unless you possess Critical Mastery.