The Empty Realm was located in the middle of the three major imperial realms. The endless and massive Empty Realm was shrouded in the boundless brilliance of the Great Path. Mysterious and unfathomable, a horrific light of Great Path was everywhere, and even had faintly condensed into physical form, creating a huge light screen that enveloped the entire Empty Realm like a boundless matrix.
This land without a master was, in reality, governed by all three imperial realms, and it had been the cause of many explosive wars. Later, the three imperial realms agreed that the right to control the Empty Realm should be determined by the confrontation under the Saint Plane, rotating every ten years. This would avoid the never-ending battles of friction where no one would willingly give up control. Once every ten years was a term acceptable to all three imperial realms.