Cockatrice Strike (Combat)Modifier
With a single strike, you transmute flesh to stone.
Benefit: As a full-round action, you can make a single unarmed strike against a dazed, flat-footed, paralyzed, staggered, stunned, or unconscious foe. If that attack is a critical hit, the target is petrified unless it succeeds on a Fortitude saving throw with a DC of 10 + 1/2 your character level + your Wisdom modifier. This is a supernatural polymorph effect. If the save is succesful the attack deal damage as a confirmed critical hits
Essentia: The DC increase by +1 / Essentia and the damage increase by +2 / Essentia