Dark Soul Crystal

The Dark Soul Crystal is the end result of 22 quests in the Kuua and Discord Themes.

The parts

In addition to the above items you need to purchase Discordant Crystal Repair Kit, a 6 slot container, from the herald in Bloodfields or Korafax(you'll need apprehensive faction).

The combinations

Combine the 3-4 pieces of each type of crystal in the Repair kit to create 6 crystals. Then combine those six in the kit to create Dark Soul Crystal.