Indigo Strike
( Magic of Incarnum, p. 38)[Incarnum]
INDIGO STRIKE [INCARNUM] You can channel incarnum to enhance your ability to deal damage with your skirmish attack, sneak attack, or sudden strike. When you do so, your eyes turn dark blue.
Prerequisite
CON 13, or sudden strike class feature, sneak attack,
Benefit
Once per day, you can invest essentia into this feat. You gain an insight bonus on damage rolls made when delivering attacks with the skirmish, sneak attack, or sudden strike class feature equal to twice the invested essentia. Once the amount of essentia invested is chosen, it cannot be altered and remains invested for 24 hours. If you have more than one of the listed class features, the bonus applies only once on any given attack. You gain 1 point of essentia.