When you use your Primal Strike, Stormstrike, or Lava Lash abilities while having Lightning Shield active, you have a X% chance to deal damage equal to a Lightning Shield orb without consuming a charge.
When you use your Primal Strike, Stormstrike, or Lava Lash abilities while having Lightning Shield active, you have a X% chance to deal damage equal to a Lightning Shield orb without consuming a charge.
Static shock is a talent in the Enhancement tree that gives melee attacks and abilities a chance to discharge one of your Lightning Shield orbs.
Edit
Patch 3.0.8 (2009-01-20): Have switched position in the talent tree with Mental Quickness. 
