Light of the Crimson SunShaman Utility 6
Your spirit erupts in flames, shining with coruscating light that empowers some of your allies' attacks.
Encounter ✦ Primal, Spirit, Zone
Minor Action Close burst spirit 2
Effect: Your spirit companion disappears. The burst creates a zone that lasts until the end of your next turn. While within the zone, your allies gain a +2 power bonus to attack rolls with fire powers and radiant powers. In addition, whenever an ally hits with a fire power or a radiant power while within the zone, he or she gains temporary hit points equal to your Intelligence modifier.
Published in Dark Sun Campaign Setting, page(s) 92.