- You must first have Zilart Mission 5 - Headstone Pilgrimage activated.
- After completing your business for ZM5 at the Cermet Headstone, trade a Garnet to the headstone. You will get a cutscene.
- At the end of the cutscene, you will receive the Opo-opo Necklace.
- The Opo-opo are not happy that you stole their "red treasure."