Shadowhunters and demons square off for the final showdown in the spellbinding, seductive conclusion to The Mortal Instruments series, City of Heavenly Fire.
Darkness has descended on the Shadowhunter world. Chaos and destruction overwhelm the Nephilim as Clary, Jace, Simon, and their friends band together to fight the greatest evil they have ever faced: Clary’s own brother. Lives will be lost, love sacrificed, and the whole world will change. Who will survive the explosive sixth and final installment of the Mortal Instruments series?
The Characters & World Building
This concluding book to The Mortal Instruments series did not disappoint. The way Cassandra Clare wrapped up the story for all the characters was so emotional to read. I thought the ending for Simon was perhaps the most interesting. Simon was someone who came into City of Bones being dragged by his best friend Clary. Ultimately having no choice but to be sucked into this alternate universe filled with demons and fairies. I felt for him. His ending was almost sad? it felt as if he had sacrificed enough. He is probably the most tragic character in this series and City of Heavenly Fire definitely played up to that.
We are all the pieces of what we remember. We hold in ourselves the hopes and fears of those who love us. As long as there is love and memory, there is no true loss.”
City of heavenly Fire, Cassandra Clare
For all the other characters though City of Heavenly Fire ended in strengthened bonds and much welcomed rekindling of damaged relationships that had taken place prior. On the other hand, there were also a lot of deaths. Some more shocking than others! We did see some new characters introduced, those that we follow in the next books as part of The Dark Artifices. I have to say that their part in this final book felt very forced, Like they just needed to be included somewhere to tie the story to the next series coming which was frustrating.
The Plot & Story Progression
The plot and story progression for City of Heavenly Fire was flawless. Everything flowed perfectly on from City of Lost Souls. I have to admit my investment in this series hasn’t been quite what it was since City of Glass. That book was the pinnacle for me. Everything after that point kind of felt like one huge tying up of loose ends which I appreciate but it definitely took longer than it needed to, in my opinion. Parts of this book were boring but there was intermittent action with more slower scenes mixed throughout to keep the reader going.
“Heroes aren’t always the ones who win,” she said. “They’re the ones who lose, sometimes. But they keep fighting, they keep coming back. They don’t give up. That’s what makes them heroes.”
City of Heavenly Fire, Cassandra Clare
The ending left no stones unturned and I was satisfied with how the story came to a close. It was nice to see some happy endings thrown into the chaos and loss. I’m interested to see what the rest of the Shadowhunters world has to offer in the the other series’, especially with Magnus as he’s my favourite character!
Overall Thoughts & Rating
Overall, this book was an epic conclusion and I thoroughly enjoyed my experience reading how the series ended. While some parts were disappointing and others less eventful to read. As a whole I appreciated how Cassandra Clare wrapped up The Mortal Instruments and stayed true to all the characters and their relationships and individual stories.
Rating: 🌟🌟🌟🌟
Freely we serve because we freely love, as in our will. To love or not; in this we stand or fall.”
City of Heavenly Fire, Cassandra Clare

I hope you all enjoyed my series of reviews of The Mortal Instruments series! Which book was your favourite and why? Comment down below!

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