ex mysteria invitation

ex-mysteria-invite-lazarus3, a photo by broken toys on Flickr.

First invitation to espy the closely guarded secrets of "ex mysteria".
What faces do they wear?
What powers do they wield?
What are their true intentions?
What should I bring?
I mean my bean dip has always been a crowd pleaser, but maybe this calls for a hot dish, but then you have to worry if there will be an available outlet for the crockpot ...