Every Saint had a different way of raising contracted beasts.
For example, Nightingale Saint simply tossed Xuan Mu You into his World Within to sleep. Whenever Nightingale Saint needed Xuan Mu You's help, he would summon Xuan Mu You out with his World Crossing Divine Power.
But different life-forms grew in different ways.
The True Dragon Race was a vast clan, completely different from the solitary Xuan Mu You.
Thus, when Luo Xiao constructed his World Within, he directly carved out a space as a habitat for the True Dragon Race and used that realm as his Spirit Beast Pouch.
Around the True Dragon Race, many symbiotic races gradually multiplied, such as the Dragon Vein Human Race and others...
The True Dragons were super divine beasts, but exceptionally powerful individuals among them belonged to the true spirits. If the Ancestral Dragon truly reached adulthood, for instance, it could be considered a true spirit.
When the powerhouses of the Great Yanyu Cosmos entered the True Dragon Realm alongside Luo Zheng, they immediately stirred up a tremendous commotion!
Back then, the Nine Dragons Mystery had been an enormous mystery to ordinary life-forms. But to the True Dragons, it had been a conspiracy they knew by heart—and that conspiracy had been orchestrated by another Five-Clawed Black Dragon in the True Dragon Realm.
The Five-Clawed Black Dragon had originally received Mu Haiji's help in killing "Jin Chen"—that was, the Five-Clawed Golden Dragon—along with his eight brothers.
However, the True Dragon Realm had not directly intervened in the war between the two great universes. It had merely watched the outcome of the universal war closely. From the Five-Clawed Black Dragon's standpoint, it naturally hoped that the Saint Race would emerge victorious. The True Dragons were merely the contracted beasts of the Saints; they had not