Sphere

A sphere is the basic unit of currency in the Underground of Sinnoh. They come in five colors: Red, Green, Blue, Pale, and Prism.

Spheres of these five colors can be found commonly by mining in the Underground. More common are those that are Red, Blue, and Green, while the Pale and Prism spheres are quite rare. Spheres can range in size from 1 to 99, though most spheres found will be in the range of 5-20. To get larger spheres, they must be either combined (by burying more than one of the same color sphere in the same spot), or left to grow after burial. Spheres max out at 99, no matter what is added to them.

Spheres can be used to purchase many things that a player will need to decorate their secret base. Hikers that stand at some of the corners of the Underground will offer to trade items for the spheres. The price that the item is listed for is the minimum size sphere that the hiker will take for it, though larger ones may be used.