Kurast Undercity is structured similarly to Diablo 3's Greater Rifts. This dungeon is separated into three distinct levels, two of which are timed. Before you move your character,

With the Diablo 4 DLC comes Kurast Undercity, a time-attack dungeon that allows seasoned players to grind for levels and valuable loot.

To play the Undercity: Wail of the Forgotten quest, you need to progress through the main campaign by completing the story missions. Story missions are marked with the yellow waypoint on your map and user interface. You will likely hit level 15 long before you will be able to play the quest, so don’t worry about that.