Sphere of Calm

The Sphere of Calm is a treasure in. It is a billiards ball, specifically the 6 ball. It is located in the Subterranean Swarm in the Primordial Thicket.

Collecting the treasure
The Sphere of Calm is hanging from a cobweb near the center of sublevel 1 of the Subterranean Swarm. The path to it is guarded by a Grubchucker, which should be defeated before attempting to collect it. To collect this treasure, stand on the Grubchucker's arena and throw 7 Pikmin at it. Alternatively, from the base you can throw Yellow Pikmin or Winged Pikmin at it directly.