The Void is a place that is used by Conjurers and Teleporters. To teleport, you have to go through the void, and conjurers keep objects in the void. In Book 4: Neverseen, Edaline shows Sophie how she can hide things in the void, by placing Kenric's cache there. The Void is a non-existential place that is like a bridge between the different dimensions of reality. Some parts of the void are described to be very warm and comfortable, while others are described to be the opposite. Sophie hid her cache in the coldest part of the void, and physically her teeth chattered while doing so.
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