Druid Utility 6Blood Frenzy Howl
Observing your allies’ ferocity, you let lose a long howl. Your ululation awakens dormant primal spirits to invigorate your allies.
Encounter Beast Form, Primal
Immediate Reaction Close burst 10
Trigger: An ally in the burst scores a critical hit
Target: Each ally in the burst
Effect: Each target gains temporary hit points equal to 5 + your Constitution modifier.
Published in Dragon Magazine 389.