A One-Round Living Greyhawk Perrenland Regional Adventure From the introduction: Roll up, roll up, welcome to Den Masque von Tausend Gesichtern, the Greatest Show on Oerth. Be amazed by fantastic beasts, caged and chained for your pleasure. Marvel at the strange and unusual people the like of which you have never seen before. Gasp at the breathtaking skill of our performers. All in a perfectly safe environment, dangerous outsiders notwithstanding... A one-round Perrenland Regional adventure set near Schwartzenbruin for characters level 1-11.