Act IV (The Harrowing) starts in the Pandemonium Fortress, the last safe place before Hell. The player travels there in order to defeat Diablo.
Write here the story of the fourth act.
There are 21 areas in the fourth act.
All Act IV NPCs are in the Pandemonium Fortress, except Hadriel and Izual.
||Location 1, Location 2
- Super Uniques: Name 1, Name 2
All quests are related to the progression of the story, but only the last one is mandatory to finish this act.