Critical Mastery

Combat

Your critical hits cause two additional effects.

Prerequisite: Critical Focus, any two critical feats, 14th- level fighter.

Benefit: When you score a critical hit, you can apply the effects of two critical feats in addition to the damage dealt.

Normal: You can only apply the effects of one critical feat to a given critical hit in addition to the damage dealt.

Source: Pathfinder Core Rulebook