Earthquake

Acquisition
Skill Quests: Skill Trainers: Signet of Capture:
 * The Lost Princess (Fishermen's Haven)
 * Bartoch (Droknar's Forge)
 * Dakk (Ember Light Camp)
 * Nazeem the Damned (Gates of Kryta (Mission))
 * Gezna Shadowstalker (D'Alessio Seaboard (Mission))
 * Najja Doombringer (Divinity Coast (Mission) or Majesty's Rest)
 * Aziz Rottenscalp (Nebo Terrace)
 * Splinterquake (Sage Lands)
 * Thornwrath (Bloodstone Fen (Mission))
 * Bristlefire (Ettin's Back)

Related skills

 * (duplicate)