The Voice spoke again, "Well, well, it seems that choice has been made. No time to get to know each other," the voice broke off in laughter. "It is time to begin with the first test."

"What suffocates when it breathes air, but loves water?" You hear a sloshing sound not sure where it is coming from and a trap door opens in the roof dropping a spear and even distance away from each person. "Better hurry, one of you have the key and the answer is on the move." 

Panes open up from the wall and water begins to fill the room. "Tick, Tock."