Unless they chose never to open the final tier, but the enemy had already made a move. They could neither foresee the future nor stop eating for fear of choking.
Silence settled for a moment. Soon, Wu Dong said in his harsh, rasping voice, "No matter. If anything, this confirms the information we just obtained."
He looked at them. "This art, or this person, can indeed enter and leave the fourth floor at leisure, but cannot pass through the Returning to the Hidden Archive and must wait for us to open it. There must be a boundary here."
"Crane Inspector Wu, are you certain it actually 'entered and left the fourth floor'?" Sui Zaihua asked.
"What do you mean?"
"Could 'passing through obstacles' be a mistaken premise?" Sui Zaihua said. "Perhaps it never had the ability to pass through anything. It was already inside before the fourth-floor doors and windows were shut, and never left afterward."
"...No." Wu Dong led the way upstairs, his voice drifting down. "Looking through the files was a spur-of-the-moment decision. No one could have predicted it. If it had been watching me all along, why did it not steal the remaining three volumes when I opened the archive to retrieve the files, just as it did now?"
"This was not meticulously planned. It was more like someone with a supernatural ability coming to investigate the Immortal Platform with a purpose in mind. Seeing something on the desk, he took it from the desk; unable to enter the Returning to the Hidden Archive, he waited for it to open." The Crane Inspector, who had seen countless criminals, had eyes that pierced like candlelight. "He is not skulking about-he is secure in the knowledge that we cannot touch him."
"So...we cannot actually infer how important these files