Except for those involved, outsiders squeezing their brains would hardly guess the reason. Lin Suqing asked a crucial question, but who could answer it? They were stuck there.
Could the empty city have come to the Three Realms Ruins with the permission of the Snow Domain Lord? They discussed it and felt it should have been allowed, and having seen the empty city at the Great Thousand Banquet—standing absentmindedly among the crowd, scratching his head, not speaking much, not very impressive—it had already proven that his strength was different from ordinary students.
"However... it's also possible that he sneaked out on his own," Summer Acquiring Bird pondered carefully and said, "Because he had reached the Three Realms Ruins and had even been admitted to the Three Realms Ruins, he became a student there, and with that identity, if Snow Domain were to capture him back, standing on the territory of Three Realms Ruins and if he says he doesn't want to go, it would be another matter."