Your mastery of preserving allows you to conserve the fleeting vitality of your enemy to invigorate an ally.

Encounter   ✦     Arcane, Healing
Standard Action      Personal

Effect: You can use one of your arcane at-will attack powers as a free action. If you hit, you deal 1d10 extra damage, and you or one ally within 10 squares of you can spend a healing surge.

Published in Dark Sun Campaign Setting, page(s) 68.