The Rithmatist - Chapters 16-20

[Shaad]

Here is where we can discuss The Rithmatist by Brandon Sanderson chapters 16-20.
DO NOT post any spoilers from further along in the book, this is just for chapters 16-20.

[Kristina]

Finished this section.

Not a whole lot to comment about it. The ante has been upped, more questions to the puzzle have been added, and Joel is about to get his chance.

Last section, coming up!