Cobolt Critical
( Magic of Incarnum, p. 35)[Incarnum]
You can focus your spirit into your melee weapon attacks, dealing more damage with successful critical strikes.
Prerequisite
CON 13,
Benefit
Once per day, you can invest essentia into this feat. You gain an insight bonus equal to the invested essentia on melee attack rolls made to confi rm a critical threat. You also gain an insight bonus equal to the invested essentia on melee damage rolls made as part of a critical hit. (This extra damage is added before damage is multiplied for the critical hit.) Once the amount of essentia invested is chosen, it cannot be altered and remains invested for 24 hours. You gain 1 point of essentia.