Sphere of Desire

The Sphere of Desire is a treasure found in. It is a billiard ball, specifically the 1 ball. It is located in the Cavern for a King deep in the Primordial Thicket.

Collecting the treasure
The Sphere of Desire is buried underground at the north of sublevel 11 of the Cavern for a King, connecting to a fishing rope. To collect this treasure, you must pull it up from the dirt, then throw 7 Pikmin at it.