You call out choice verses of prophecy. The knowledge that destiny is on your side renews your ally's vigor.

Encounter
Immediate Reaction      Close burst 5

Trigger: An ally within 5 squares of you spends a healing surge

Effect: The triggering ally gains 3d6 temporary hit points.
Level 21: 3d12 temporary hit points.

Published in Dragon Magazine 385, page(s) 80.