Grasp of Insanity

Description
These are powerful melee attackers which sometimes pop up from the ground.

Location

 * Tyria:
 * Ruins of the Tomb of the Primeval Kings: In all four levels.
 * Cantha:
 * Haiju Lagoon (Mission): Only during the Dragon Festival 2006.
 * Jaya Bluffs (Mission): Only during the Dragon Festival 2006.