** spoiler alert ** 
 4.5/5 (I really really hate rating books) 
 I really loved this conclusion. It was sad but beautiful. That and there were actually stakes in this. I feel like too often with conclusions everything is built up but everyone ends up fine. Marie Lu can always be counted on to let you feel emotional pain while reading. The last few chapters of this had me tearing up, and that last bit tho. Overall, this series was really good. While I am always a fan of some darkness, this series didn't have enough of the light moments to counter it. I LOVED the characters (even Teren who can be the absolute worst). The mythology was boss too, and I really enjoyed the little snippets at the top of chapter headings.