Aftershock

Acquisition
Skill Trainers: Hero Skill Trainers: Signet of Capture:
 * Prophecies
 * Harnil (Marhan's Grotto)
 * Dakk (Ember Light Camp)
 * Tengsao (The Amnoon Oasis)
 * Factions
 * Zhao Di (Shing Jea Monastery)
 * Nightfall
 * Tohn (Kamadan, Jewel of Istan)
 * Nightfall
 * Pikin (Kamadan, Jewel of Istan)
 * Prophecies
 * Splinterquake (Sage Lands)
 * Thornwrath (Bloodstone Fen)
 * Bristlefire (Ettin's Back)
 * Clarion Shinypate (Prophet's Path)
 * Lucid Jewelstone (Prophet's Path)
 * Ghilaparu Stormstone (Diviner's Ascent)
 * Pell Glitterglatter (Vulture Drifts)
 * Facet of Elements (Dragon's Lair)

Trivia

 * Causes the screen to shake when cast.
 * Makes the ground shake as well.