Maybe it was just a coincidence or maybe it was a predetermined fate, it was not just Alex, Rodhre, and Jiang Feng who entered this so-called illusion, in the next few days, many people young people entered this place.
Everyone received the same information in their minds and their missions were also the same. They'll have to look for a certain person and kill. By killing the opponent, they'll be able to break the illusion, at the same time, they'll receive a unique reward that could change their fate.
Many people were excited, many were worried, and many were doubtful. They were not aware of what was going on. They didn't even know that many people has entered this place with the mission to kill a certain person.
In short, everyone in this small city had an opponent, and their opponent was one of the people entering this Small City from outside.