Requirement: Perform 7 ranks
Base effect: All allies within 30 feet that benefit from a morale or enhancement bonus raise the amount of the bonus by +1. This bonus becomes 1 point higher at 10th level and every 5 levels thereafter (maximum +4 at 20th level).
You channel might in the bodies of your allies, granting them an enhancement bonus to one or more ability scores for 1d4+1 rounds.
Weak Refrain: allies within 30 feet gain a +2 enhancement bonus to a single physical ability score of your choice.
Intermediate Refrain: allies within 30 feet gain a +2 enhancement bonus to two physical ability scores of your choice.
Strong refrain: allies within 30 feet gain a +2 enhancement bonus to all their physical ability scores. Alternatively, you can grant them a +4 bonus to one physical ability score, and a +2 bonus to another physical ability score.