An ally's efforts are renewed against those you oppose.

Daily   ✦     Martial
Immediate Reaction      Close burst 5

Trigger: An ally in the burst misses all targets with an attack when using an action gained by spending an action point

Target: The triggering ally

Effect: The target gains 1 action point. Spending this action point does not count against the limits on action point expenditures for this encounter. If the target does not spend the action point before the end of the encounter, it is lost.

Published in Dragon Magazine 384, page(s) 55.