You overpower weaker and more vulnerable minds with your voice alone.

Prerequisite(s): Voice of the Sibyl.

Benefit: You gain a +1 bonus on all Bluff, Diplomacy, and Perform (oratory) skill checks for every 3 tiers you possess. This bonus stacks with the bonus from Voice of the Sibyl. If you have 10 or more ranks in at least two of these skills, gain a +2 bonus to the DC of any language-dependent spell you cast.