The Pandemonium Fortress is A great an ancient fortress in [[Pandemonium ]] that once containd contained The World Stone,It was [[Worldstone]].[[Archangel]] [[Tyrael]] that saw its construction & (source needed), and since then the fortress changed owners many times - some times under [[Angels]] control & , some times under [[Demons]]control with each . Each of them adding added to its fortifications.The fortress is known to change in appearance according to who control controls it , but according to [[Tyrael]] it has never been like this in its current state while under any [[Angel]] ic control before.

In [[Reaper of Souls]],Pandemonium Fortress is a 3-levels level dungeon & it . It is the last area before facing [[Malthael]] you enter . The player enters it from The Ram after completing the quest [[Breaching the Fortress]], the quest. The map of the area is separated into various disconnected segments that you travel between through red . Red gateways known as [[Death Gate]]s sometimes connect paths that are not directly attached,and throughout the area there is are archways that at regular intervals become filled with electrical field that stun & (and possibly freeze) as well as damage you players if you pass passed through it.