4.5 stars 
 Firstly, I cried either twice or three times. I can't remember. But the last few chapters had me SHOOK. I was like on the cusp of an anxiety attack because I was sooooo nervous like the entire time. 
 Secondly, even though I loved this book and it was a great ending to that particular tale. I think there were a few problems that kept it from surpassing ACOMAF. I would say the issues that stood out for me were problems with pacing, and that it just seemed like Maas backed off a bit from Feyre in certain events. 
 So I'm going to explain those issues but there are spoilers involved so don't read on if you haven't read the entire trilogy yet! (And by explanation I mean a bit of a rant) 
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 The pacing of the story was a bit odd. I felt like the whole first part, where Feyre is in the Spring Court and machinating revenge on Tamlin, was great. It was so interesting to see her really plotting and using everything she has learned from Rhys about putting a mask on and all that. However, her escape was just a lot of her and Lucien looking at each other and walking. Really I was expecting to see Lucien get a larger role. Basically all he does the whole book is look longingly at Elaine and be sad and awkward and then goes to the continent and doesn't show up til the end. It felt like a missed opportunity with his character. I know I certainly don't see any reasons at all that he would be Elaine's mate after all that boring-ness. 
 Tamlin Rant: 
 While we're on the subject of the Spring Court. Freaking Tamlin. I am just so utterly confused by him. I get that villains don't need to be black-and-white, but really like what is the deal with his back and forth and side to side whatever the hell? He's gonna treat Feyre like an object and ignore her suffering despite supposedly loving her, then he's gonna sell them all out to Hybern and take Feyre, and then he's going to make all these terrible decisions maneuvered by Feyre, then he's gonna be a general douche-bag at the meeting, then he's gonna save her, then he's gonna show up to the war but all late.....like I just don't understand any of his motivations I suppose. Did he love her or was it just obsession? How much was he going to ally with Hybern before he found out things weren't what he initially thought with Feyre/The Night Court? I feel like he just kind of completely backtracked on literally everything he did. First he did that in the second book by allying with Hybern in the first place, then again this time. Like WHO EVEN IS TAMLIN?!?!!? 
 Okay back on track: 
 I also believe there was a missed opportunity during the scene with the King of Hybern. Having Feyre just watching through the cauldron was so awkward and weird and just annoying. I would've preferred seeing things from the point of view of Nesta or Cassian and be IN the action. Not a passive bystander. Also like, Amren just stood there the whole time and was like "yo Feyre why aren't you saying anything?" Like idk that whole scene just felt both rushed and boring at the same time. I was disappointed. 
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 BUT, despite those flaws, I really think that overall it was a good ending to a great story. I feel like a lot of my issues with this book probably also stem from the perfection that was ACOMAF. Also, after finishing this book, I went back and read from ACOTAR all the way through again and a lot of the decisions she made really do fit together like a giant and complicated maze-puzzle-hybrid. 
 Also, I'm hoping that since there are supposed to be 3 more novels and 2 novellas in this universe, perhaps many of these issues with characterization and missed opportunities will be rectified in those later books. I feel like Maas' stories are like massive quilts that are still missing a few squares but always fill in eventually.