Power Orb +
From Everafter Falls Wiki
Power Orb + is an orb that can be inserted into any empty equipment slot to grant it an additional +6 Attack Power bonus. Once slotted in, a Power Orb + can only be removed by destroying the equipment it is attached to in the Workshop Furnace.
Power Orb + can be obtained as a rare random drop from treasure chests in the dungeons or crafted in the Giant Furnace for 3,000 
by smelting the following items:
Power Orb (3)
Mythril Bar (10)
Orb Syrup (1)
