Xiao Yue entered the room and walked around, then used an instrument to run a scan. It could indeed detect traces of fluctuations in Space Power, but that didn't help them. They simply couldn't reach the other space.
"Looks like it's the 'Invisible Prison.'" She felt along the walls and door. "It appears at random, swallows people at random, and may open again at random later."
"Will it open?" Zheng Zhixuan asked worriedly. "Meng Junyan may not be pleasant to talk to, but he's pretty sharp. It'd be a shame if he died just like that."
"He's only missing. He's nowhere near dead yet." Xiao Yue studied her companions' expressions and stressed, "Besides, the third clearance task is to escape from the prison. That means being trapped won't put him in immediate danger. What happens after that depends on his luck."
Their group didn't stay on the floor long before moving on. Since the prison entrance appeared at random, waiting in one place was unlikely to get them anywhere. Besides, they still had to avoid the night guards.
Meanwhile, the moment Meng Junyan crossed the doorway, he knew something was wrong, because all the sounds behind him had suddenly vanished. Sure enough, when he turned around, the corridor outside was empty!
He hurried out. The hospital was still the same hospital, and the corridor was still the same corridor, but the companions who had followed him in such numbers had completely disappeared. The patients in the Second Hospital Building and the First Hospital Building were gone, too. It was as if the entire hospital had been emptied in an instant!
There were no Players or patients, and even the things they had imagined had vanished. Looking at the hospital now, the nighttime lights were dim, but it was clear that