At the mention of "time" the lettering swirls and disappears off of the top band. There is the faintest snickt and he band is withdrawn into the side of the manor.Well, there is the riddle to solve," Terry says. "Could be 'life' or 'energy' but I'm guessing 'time' is the correct answer. But how do we tell that to the door? Assuming the door cares to hear the answer.