This flickering prism focuses elemental power and converts it to a different element, bathing you in a protective glow.
Wondrous Item 45,000 gp
Power Encounter (Free Action)
Use this power when you make an attack that deals acid, cold, fire, lightning, poison, or thunder damage. Change all your attack's damage to a different type of your choice among those above. You gain resist 15 to your attack's original damage type until the end of your next turn.
Published in Dungeon Magazine 165, page(s) 50.