Erler finishes entering the numbers that Helorm recites.

He's not surprised when the screen goes blank immediately after.  Erler already suspected that this case was a drill; most prospective mental patients aren't aware of the seeming insanity and reporting a total absence of other detectable cognitive distortions.  That's more like the start of a book where the First Contact is actually real.

Erler is extremely surprised when the door to his own sealed room fails to unlock a few seconds later.

Erler finishes entering the numbers that Helorm recites.

He's not surprised when the screen goes blank immediately after.  Erler already suspected that this case was a drill; it's not usually the case that a mental patient is both aware of the seeming insanity and reporting a total absence of other detectable cognitive distortions.  That's more like the start of a book where the First Contact is actually real.

Erler is extremely surprised when the door to his own sealed room fails to unlock a few seconds later.