The bit about the keys was fabulous. More of Illyria's dissection of human practices, and her furthering her acceptance of them by actually using the key.
*beams* I also think that Fred, with her very scientific mind and her way of analysing everything, was pretty much the perfect vessel for Illyria. (Not good for Fred of course...)

Before, she probably would've just flattened the world. "Surprise!" and started over rebuilding her kingdom.
Bwah! So true!

I love how you're showing her growth and adaptation in the PostNFA world.
She has understood that the only way forward is through change. The way she is, she'll never rule anything.