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City of Heavenly Fire

Updated: Jul 4, 2022

Title: City of Heavenly Fire

Author: Cassandra Clare

Published: 27th May 2014

Genre: Fantasy, Paranormal, Adventure, Fiction

Number of pages: 725

Start Date: 25th May 2022

Finish Date: 27th May 2022


In this dazzling and long-awaited conclusion to the acclaimed Mortal Instruments series, Clary and her friends fight the greatest evil they have ever faced: Clary's own brother.

Sebastian Morgenstern is on the move, systematically turning Shadowhunter against Shadowhunter. Bearing the Infernal Cup, he transforms Shadowhunters into creatures out of nightmare, tearing apart families and lovers as the ranks of his Endarkened army swell.

The embattled Shadowhunters withdraw to Idris; but not even the famed demon towers of Alicante can keep Sebastian at bay. And with the Nephilim trapped in Idris, who will guard the world against demons?

When one of the greatest betrayals the Nephilim have ever known is revealed, Clary, Jace, Isabelle, Simon, and Alec must flee - even if their journey takes them deep into the demon realms, where no Shadowhunter has set foot before, and from which no human being has ever returned...

Love will be sacrificed and lives lost in the terrible battle for the fate of the word in the thrilling final instalment of the classic urban fantasy series The Mortal Instruments!


This book is simply magical; it transported me away from England to the likes of New York and Idris in a matter of seconds, the last instalment of the Mortal Instruments was nothing short of unforgettable. There were so many things I loved with it, but also things I regretted Cassandra Clare didn't explore further. I guess with a book series as large as this one it would be hard, if not impossible, to address everything. All in all, City of Heavenly Fire was deeply affecting, a real page-turner with both heart-breaking and truly happy moments.

There is a war in this book. The end-of-the-world type of war, and however cliché that may sound, let me assure you, it is not. Maybe, just maybe, I'm too invested in this series, but I found the build up to be realistic. The war will bring destruction, but it will also pave the way to a hopefully brighter future. It will shape the lives of the survivors, and lead to the ascension of new warriors.

Essentially, The Mortal Instruments is a story about bravery and sacrifice and friendship, and encircling all of these, is love and compassion. It's about how caring about others and about the world we live in can only make it better. That's what I'm taking away from this story.

Sebastian Morgenstern leaves death and destruction in his wake in this final instalment of the Mortal Instruments series.

Clary, Jace, Simon, Isabelle and Alec battle against demons as well as their own kind and make alliances in order to overthrow the threat of Sebastian and the Endarkened; even if their journey takes them where no Nephilim has been before, into the demon realms...

When I started this book I devoured it in a matter of hours despite its 725 pages! Cassandra Clare has managed to weave in hints from her previous and upcoming series, which is pure genius.

This book contains my favourite character ever, Isabelle Lightwood, but all of the characters are beautifully written in this series. Even the more immoral characters seem elegant when described by Cassandra Clare. Her description of each scene is beautiful, even when the scenery itself is not quite so beautiful.

This book made me laugh and cry, and was the best ending to a series I have ever read! If you have not read this book/series, I highly recommend it! I could read this book a thousand times over and never get bored. Also notice how I finished this book on the 8th Anniversary of it being released.



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