Azure Wild Shape

(Magic of Incarnum, page 35, DnD 3.5)

[Incarnum]

You can channel incarnum to enhance your combat prowess while wild shaped. Whenever you deal damage with a natural weapon while this feat is active, a flash of blue light bursts from the natural weapon that delivered the strike.

Prerequisite

CON 13, wild shape class feature

Benefit

Once per day, you can invest essentia into this feat. While wild shaped, you gain an insight bonus on damage rolls made with natural weapons equal to the invested essentia. Once the amount of essentia invested is chosen, it cannot be altered and remains invested for 24 hours. You gain 1 point of essentia