Power Stones

The Power Stones (パワーストーン Pawā Sutōn) are seven legendary stones that hold mysterious powers. A person that obtains three Power Stones can use Power Change, transforming into a powerful form for a limited time. In this form, the user is able to use Power Drive and Power Fusion attacks. Power Drive is the standard attack from the transformation. Power Fusion is more powerful, but consumes the transformation energy and can be used only a few times.

Appearance
The Power Stones are seven legendary stone that are similar to the Chaos Emeralds. They come in seven distinct colored varieties: peridot (green), aquamarine (cyan), sapphire (blue), ruby (red), amethyst (purple), topaz (yellow) and diamond (grey).