Exhausting Critical (Combat, Critical)Modifier
Your critical hits cause opponents to become exhausted.
Benefit: When you score a critical hit on a foe, your target immediately becomes exhausted. This feat has no effect on exhausted creatures.
Essentia: Your Hit deal an additional +2 Damage / Essentia multiply by your Critical Multiplier.
Special: You can only apply the effects of one critical feat to a given critical hit unless you possess the Critical Mastery feat.