Lightning Surge

Acquisition
Signet of Capture:
 * Prophecies
 * Facet of Elements (The Dragon's Lair)
 * Factions
 * Tahmu (Nahpui Quarter mission)
 * Sarss, Stormscale (Maishang Hills)
 * Nightfall
 * Zepyhr Hedger (Arkjok Ward) (possibly only during the Koss's Elixir quest)
 * Birhneh Skybringer (Sunward Marches)
 * Setikor Fireflower (Holdings of Chokhin)

Related skills

 * Backbreaker (Elite)
 * Devastating Hammer (Elite)
 * Hammer Bash
 * Bane Signet
 * Signet of Judgment (Elite)
 * Wastrel's Worry
 * Earthquake
 * Incendiary Bonds
 * Meteor
 * Meteor Shower
 * Mind Shock (Elite)
 * Shock
 * Thunderclap (Elite)
 * Water Trident (Elite)
 * Whirlwind