I can see playing an entire campaign here, especially with a system that's heavy on interpersonal politics. I would love to play out the decisive final moments of the prinson camp at the Twelve, when things really hit the fan and either the Eleven are finally crushed or the Heretics' Revolution begins. Go to Comment
Scattering these throughout a setting with just the name and no other explanation would really give a sense of veiled history. Good job on making doors into interesting artefacts in their own right. Go to Comment
Faerie foods with unusual effects. Like faerie sausages that turn the eaters into wiener dogs, faerie wines that make the drinker whiny, etc. There's a table in Palladium Fantasy RPG which has a table of ideas.