He held her hand and looked forward, then said: "No one can touch this wall or go through it. If you enter by force, you will only be injured by the rebound of the force. However, judging from previous events, any type of beasts should be able to enter."
Feng Jiu was silent. She looked at the illusionary wall, then said: "But we don't know what is on the other side. The eight trigram mirror has a reaction to this place, so I think that it is related to the Realm of Void that Old Patriarch Yu mentioned."
"Let Cloud Devouring go inside to take a look."