Fire Stone is currently an unusable item. It is imported from Sandrock by Yeye.
Fire Stone can be purchased at the following shop:
One Fire Stone is given to the player by Penny as a reward for completing A Musician Showed Up.
A Fire Stone can also be found in a treasure chest on the Western Plateau.
Fire Stone currently has no implemented usage and cannot be gifted. It can only be sold back to shops or displayed in or on certain furniture, and is considered a accessory for such purposes.