Oil Oyster Fossil

Oil Oyster Fossil is a Collectible in Xenoblade Chronicles 3. They can be found around the Fornis Region and are used in the crafting of a gem.

Creation of the following Attacker Gem at a Camp Site:

Refined Incantation VIII
- Decorative Grebel Quill (Legendary) x15
- Treasured Gogol Liquor (Legendary) x15
- Gastrates Ether Furnace (Common) x15
- Oil Oyster Fossil (Rare) x10
- Gyrinus Halo (Common) x15
- Ultra Pure Gemstone x2
- Ether Cylinder x3