The completion message after the sixth Trial was different from the previous Trials. It mentioned a halfway point. That wasn't the only thing that changed.
[Do you wish to leave?]
The Labyrinth asked all of the remaining entrants a question. It was asked to each of them. Instinctively, they could feel that the Labyrinth was giving them a way out. If they expressed it, they could leave the Labyrinth with their lives intact.
[You will be rewarded for your efforts so far.]
The Labyrinth comforted them with the fact that they hadn't gone through the six Trials for nothing. It was like it was encouraging them to leave.
The Labyrinth that hadn't held back in making them suffer so far was subtly warning them that it wouldn't be as easy going forward.
Some of them hesitated. Sarah, Tero, Tera, and Derot didn't immediately swipe away the question. Sarah had only gotten this far by luck. The others' deaths had hit her hard.
