C1396 Three Yuan Secret Realm

"The three major regions, in fact, refer to the three special spaces specially built by the Universe Alliance that are self-contained. The first region is called the Tian Yuan Mystic Realm, the second region is called the Earth Yuan Mystic Realm, and the third region is called the Human Yuan Mystic Realm. The three large regions, combined, are called the Three Yuan Mystic Realm