((I'm going to take a stab at the nature of the third room and say that it's an illusion.))

Eric blinked when two of the group were failed in as many seconds after entering the third room and dropped out of sight.

"Fantastic, a test with a sense of humor," he muttered.

Figuring that this was an elaborate illusion, and having no way of knowing what was happening in the control room, he signaled silently for Second Guess to try and dispel any illusions in the room.