Thunderclap

Summary
For 8-18 seconds, the next time target foe is struck for lightning damage, that foe and adjacent foes are knocked down, and you lose 15-9 energy or Thunderclap ends.
 * This is an elite skill.

Where to Aquire

 * Chrysos The Magnetic (Thunderhead Keep)
 * Maida the Ill Tempered (Ring of Fire)
 * Kratos the Foul (Iron Mines of Moladune)
 * The Inquisitor (Iron Mines of Moladune)