C1045 A Random One-way Portal(1)

"I don't know if I can fly out from above, but I think there should be some kind of restriction. Otherwise, wouldn't the wall be useless?"

Rodega flew up. When he was about to reach the height of the wall, he stopped. He shook his head and flew down again. "Sure enough, there is a defense mechanism in the sky."

He turned around and walked a few steps