Mommy told. Daddy takes one hour, for the one who wants to enter, to build his own door. Then he quickly slips inside, but that would only work if the structure is still alive. Using traditional heuristics, policemen can spot any dead volcano -- as long as it never attempts to look alive. But believers try to make it look so by erupting at his side.

     In fact, the situation gets worse each time one of them wants to enter or leave their room, because it modifies itself depending on his surrounding. It is one of these so called "intelligent" castle and even knows how to speak to you.