se•clu•si•um \si-’klü-z- m\ n. pl. se•clu•sia -\z- \
A place to which a wizard withdraws from the world to pursue mastery.
A place of magic and plasms and grotesques and horrors and treasures and doorways to other worlds.
A place which, when abandoned by the wizard but with its treasures and dangers remaining more or less intact, is a terrible and antic catastrophe... [click here for more]