Final Fantasy X/Items

Distillers
These force enemies to drop certain types of spheres.

Spheres
You use spheres to activate nodes on the Sphere Grid.

Miscellaneous Items
Most of these items are rare and you can only get them by winning or stealing during a battle. All of them can be used for Rikku's Overdrive, Mix. Some of these items are used for customisation of invaluable abilities on weapons and armour.