Getting insight into how the wolf pack was created was fantastic. It was raw, full of carnage, and so like her majesty. The lunar queen is dark and twisted, capable of evil where she doesn't care if her people die - and we got to witness that here. 
 Though, gotta say when he broke down because he had to leave his family: 
 It's funny that this is a prelude to Scarlet and all it's made me want is Cress. 
 I love this series.