Power Stone

 is a raw material used as fuel and as a gift.

Obtaining
can be found in Abandoned Ruins #1 and Abandoned Ruins #2 by using the Relic Detector.

can be found by mining rare crystal deposits on Amber Island and in the Collapsed Wasteland.

There is a 15% chance that s may be obtained from opening a Lucky Sack.

can also be purchased at the following shop:

s can be obtained as Inspection rewards if the player's Workshop Rank is D, C, or B.

Usage
is used to fuel crafting stations at the Workshop, for crafting Removable Battery, gifting, and trading.

Trade
can be exchanged for Condensed Power Stones at the Research Center Exchange. The exchange rate is four Power Stones for one Condensed Power Stone. Being at least Good Friend with Petra reduces this cost to three.

Craft
is a required ingredient when crafting the following item:

Gift
can be given as a gift to other characters. It is a universally liked gift.