- You must first have completed Zilart Mission 7 - The Chamber of Oracles.
- Once you have received the Key Item: Prismatic Fragment you can return to Sanctuary of Zi'Tah.
- Check the Cermet Headstone (I-7). You will receive a cutscene and the Bat Earring.
- Dispel the troubled souls of those who perished while on their pilgrimages.
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