What are they for?
They are used to improve your team's Harmony bonus, they can be created with normal and excellent items at NPC OSBOURNE in Aida at coordinates 78/13.
Lower Refining Stone
Higher Refining Stone
Pay attention when placing the item on the npc because it will disappear in the process!
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It is made with some normal items
Each item has a 20% chance of becoming a Lower Refining Stone.
It is made with some excellent items
Each item has a 50% chance of becoming a Higher Refining Stone.