Spirit's Revenge

Heroic Tier
Prerequisite: Shaman, Stalker Spirit class feature, call spirit companion power
Benefit: Whenever an attack against your spirit companion causes the spirit to disappear, one ally adjacent to it gains a +2 bonus to damage rolls against the creature who made the attack until the end of the encounter or until you next use call spirit companion.

Published in Dragon Magazine 387, page(s) 14.