Gack the Mindwrecker

Description
Gack Mindwrecker is a powerful boss found in the swamps of the Black Curtain. He is the brother of Frash the Cold.

Gack is one of six bosses that the Krytan Herald at the Temple of the Ages warns about. They are all much higher in level than the rest of the creatures in the area.

Location

 * The Black Curtain: Gack, spawns in two places. The first is east of the exit to Talmark Wilderness in the swamps, the second is just west outside of the Temple of Ages. If Gack spawns in one of these places, then his brother Frash will spawn at the other location.