When you cast Healing Wave, Greater Healing Wave, or Healing Surge, allies within the Healing Rain share healing equal to 30% of the initial healing done.
If your Lightning Bolt, Chain Lightning, Earth Shock, or Stormstrike damages an enemy, allies within the Healing Rain share healing equal to 50% of the initial damage done.
When you cast Healing Wave, Greater Healing Wave, or Healing Surge, allies within the Healing Rain share healing equal to 30% of the initial healing done.
If your Lightning Bolt, Chain Lightning, Earth Shock, or Stormstrike damages an enemy, allies within the Healing Rain share healing equal to 50% of the initial damage done.
Conductivity is a passive shaman talent available at level 75.
Patch Changes
Patch 5.2.0 (5-Mar-2013): Conductivity no longer requires that the target be within the area of effect of Healing Rain.; Conductivity now shares 30% (was 20%) of the healing received from Healing Wave, Greater Healing Wave, or Healing Surge.