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Location: This quest can be found in the Havens Above.
Objective: Collect a Harmonicrystal and Return It to the Watcher
The Harmonicrystal is dropped off of the Crystalotl monster in the above image. To find it, head to the Battleground floating in the sky and make your way to level B9. You will need the Ultimate Key (obtained during the main story) to open the door. Head through the door and engage in battle with the beast. Once it’s defeated, you should obtain the Harmonicrystal. Return to the Watcher in the Havens Above and hand over the crystal to complete the quest.
Reward: A boost to Serena’s magical mending
