Type: Truename
Source: Tome of Magic
Your utterances have greater effect against a certain type of creature.
Prerequisite: Truespeak 6 ranks, ability to speak utterances
Benefit: When you take this feat, choose a creature type such as aberrations or monstrous humanoids). The DCs of your utterances are increased by 1 whenever you use them against creatures of the chosen type.
Special: You can take this feat more than once. Its effects do not stack. Each time you take this feat, it applies to a new creature type