Dungeon

s are randomly-generated instances disseminated across the Heartland. Each part of the world holds one or several dungeons of the corresponding tier.

Entering a dungeon requires and consumes a Key.

Each dungeon is composed of several rooms, filled with enemies and linked by corridors. One and only room in the dungeon holds the Dungeon Boss which, upon death, drops Weapons, Equipment and Catalysts. A portal to exit the dungeon directly is opened in the boss room when the boss is killed.

Hard Mode (Tier 9)
There is also a hard mode version for dungeons from tier 2 to 8. The entrance for the hard mode dungeons are located inside The World Tree. They also require the corresponding hard mode key to their tier to open.

Raids/Tier 10
Located within The World Tree is the Conduit of Fire, an extremely difficult 'raid' dungeon that requires a Conduit of Fire Key to enter. This is currently the only raid released however there have been place holders for other raids, such as one called Paradise Undone and The Space Between, since alpha.

The Well
Also located in is The Well, the final dungeon where characters can retire to fight Wraiths until they die, earning large amounts of  for a certain death.