Defending Spirit( Complete Mage, p. 41)
Your watchful spirit helps keep you safe in combat.
Watchful spirit class feature (see the wu jen class in Complete Arcane),
Your watchful spirit helps you defend yourself. If you use an initiative reroll from your watchful spirit class feature, you gain a +2 dodge bonus to your Armor Class for the duration of that encounter. Also, you gain one extra initiative reroll from your watchful spirit class feature.