So in this book you see a lot more of the history between Shadowhunters and the Downworlders. They are trying to make peace between the two groups but they both don’t respect the other and see them as beneath them.
Everything just gets REALLY blown up between the two parties.
The character Camille Belcourt is introduced in this book and is charming our beloved warlock. Also, we see a lineage in the Herondale family.
I love learning more about Magnus’ past though. It explains a lot more of his personality and why he does the things that he does. He is probably the best character that Clare has wrote honestly.