Quick Guide: This article has a quick guide that shows you how to complete the acts in the fastest possible manner along with the most suitable leveling gear.
Acts divide Path of Exile's storyline into sections. Each act has its own quests, town, NPCs and an act boss at the end.
Since The Fall of Oriath expansion, there have been ten acts broken into twoparts, each part spanning a large arc within the storyline. New acts were generally added to the game with every major expansion until the release of the ten-act system.