'''Qi Gems''' are obtained by completing [[Quests#List of Mr. Qi's Special Orders|challenges]] in [[Mr. Qi]]'s [[Qi's Walnut Room|walnut room]] on [[Ginger Island]], and used to buy rewards in the same room.
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They can also be received from selling [[Golden Walnut]]s, and monster drops in the challenge version of the [[mines]] as well as those during the Skull Cavern Invasion quest.