Editing Skein of Worlds:Cosmology and Setting (section)

=== The Void ===
The Void is all the space between spheres and makes up most of the material plane. Despite being called the Void, it's not entirely empty. Each element is present in minute amounts, but this medium is thin enough to rarely matter. As hostile as it may seem, the Void isn't lifeless either. Creatures capable of surviving and thriving in the Void tend to be very powerful. With so little to subsist on (besides each other), most of these creatures will travel to spheres from time to time to feed. Thankfully, such an event is rare as one would imagine the consequences of such a visit to be pretty terrible.