Because they hold an alchemy power called Azoth, a power that can give anyone eternal life... Twelve people have been brought here. Little do they know they are being watched. Watched by people who envy them. They want their Azoth, the need their Azoth.. So the question is...
Even though you are outside right now, you can't escape. There is a ladder here that leads to two doors. One is locked, the other leads to a place where you might find something to unlock it.