Rail led Wolfe down through the castle's winding corridors and out into the courtyard, where there were a number of tall apartment buildings constructed for the Demons who lived and worked at the castle. She stopped outside one of the buildings with a grand gesture of welcoming.
"Here we are, home sweet home. Well, at least it is between missions. I'm not sure what the old man is going to want you to do for us, but I've heard that Magi have some unique skills, and he will likely want you to cut a deal to work off your century of labour.
It's mostly unheard of for someone to actually serve the whole century unless they get an excellent job in the castle or something. I know that at least one of the Guard Captains deliberately trespassed so that he could bypass the waiting line for applications."