A large category of items for a map device.
They can be used to open portals to the most difficult and rare bosses. Usually consists of four items.

Using one of the fragments with the map increases the quantity of items found.
The current fragment sets:

  • Sacrifice
  • Mortal
  • Pale Court
  • Key to the Crucible
  • Key to Decay
  • Maddening Object

Each one consists of four unique pieces, obtained through prophecies, on maps or from bosses.