Earthquake

Summary
You invoke an earthquake at target foe's location. All foes near this location are knocked down and are struck for 26-85 earth damage.
 * This spell causes exhaustion.

Usage notes
You can further increase Earthquake's damage by casting Aftershock right after the knockdown effect.

Where To Acquire

 * Bartoch: Droknar's Forge
 * Capture Signet: Forgotten Sorcerer on Thirsty River Mission