A wealth of new content for the Underdark.

The Ogre Fist Trading Company is established at a new Trading Post in the Upperdark.

New Wilderness Areas in the Upper Underdark, extending travel to the surface.

Stonehold connection to Underdark has been caved in.

The Boreal Keep, a new Arcane Tower for the Underdark, has finished its construction in Andunor