The World Between the Fold, referred to as the Endless Voyage Realm by its natural-born natives, was renowned for its extraordinarily vast and spacious area. Besides the three cities, the World Between the Fold was largely empty. However, this was merely on the surface.
The foundation of the World Between the Fold was the Endless Void Mirror. When Wei Wuyin first arrived, he playfully produced music on its unique sound-producing surface, and Liu Suyin had warned him to be careful lest he fell in. According to her, if someone fell in, they would get stuck beneath the surface for eternity.
This wasn't entirely true.
Beneath the Endless Void Mirror's surface were the elusive entrances to the numerous Mobile Spatial Pathways that led to the various Node Cores. Each Mobile Spatial Pathway, excluding their chaotic lengths and ever-changing nature, was like an independent dimension.