After the last battle between immortals and demons, the Tiandao family was the final winner. Then, they may know the situation after the shattered demon continent. It is very likely that they secretly hold fragments of the demon continent similar to the fairy prison.

Otherwise, how could it be such a coincidence, just a few people from the ancient fairy clan came out, and the demon clan came

"It's really unscrupulous." A coldness flashed in Ning Qi's eyes. If his guess was correct, the Dao family would simply treat other immortals in the fairy world as piglets. It doesn't matter how they will be killed by the demons. No matter how you say it, there must be more than tens of billions of immortals in the Celestial Realm, let alone mortals.