Chamber of Emptiness (Japanese: 空ろの間Hollow Room) is a small cave found in Kalos. There is nothing in the cave other than two items: a Banettite and the Spooky Plate.
The Chamber of Emptiness is a small cave on Route 22. It can be accessed by surfing south of the main path and scaling down a waterfall, then walking through a crop of yellow flowers to the entrance. The cave has a short narrow walkway which opens up into an octagonal-shaped room.