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When I entered the demon game called Tiers, I believed nothing could deter me from safeguarding my son’s future.

One terrifying choice on a battlefield later, and I’m gambling everything to fight for my future happiness; a possibility I’d killed and buried three years ago.

As the secrets of the wrath curse unravel, the truth becomes painfully clear—the Supernatural Alliance was never in control of the demon king, I was never in control of defeating him, and neither of those things is likely to change.
My efforts to eradicate Tyran and the Ronj from the realm feel futile. My attempts to complete the last mating rituals with Carmine feel the same. When a single misstep will cost everything, and winning seems impossible, each new risk seems more and more like the last choice I’ll make… and the last breath I’ll take.

The stakes have risen to the final tier.

385 pages, Kindle Edition

First published September 29, 2026

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About the author

Kelly St. Clare

72 books3,298 followers
When USA Today bestselling author, Kelly St Clare is not reading or writing, she is lost in her latest reverie.

Books have always been magical and mysterious to her. One day she decided to start unravelling this mystery and began writing.

The Tainted Accords was her debut series. The After Trilogy is now available.

A New Zealander in origin and in heart, Kelly currently resides in Australia with her soon-to-be husband, a great group of friends, and some huntsman spiders who love to come inside when it rains. Their love is not returned.

Find out more at her website, and claim a free paranormal dystopian short story, coloring book, and free bonus chapters from The Tainted Accords.

http://www.kellystclare.com/free-gift

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5 stars
56 (67%)
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17 (20%)
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9 (10%)
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Displaying 1 - 28 of 28 reviews
Profile Image for Aleksandra.
538 reviews5 followers
Review of advance copy received from Author
September 17, 2026
Thank you so much Kelly St. Clare for sending me this ARC!

Final Tier is the last book in Fantasy Romance series and it’s a perfect conclusion to this amazing story, I absolutely loved it and the whole series.

I was impatiently waiting for the next part of Syera and Carmine’s story and the author definitely didn’t disappoint, it was so worth the wait. Final Tier starts shortly after the end of book 2 and like with the previous books it’s full of action, secrets, not knowing who to trust, scheming and plot twists. With stakes higher than ever this time, it was a roller coaster from start to finish and with perfectly placed plot it was unputdownable, I finished it in one sitting. I loved Syera so much, she grew a lot in the course of this series and I loved how she always fought for those she cared about and was willing to do anything for them. After what we learned previously I liked that we got more of Carmine here and my heart was actually breaking for him at times, I don’t want to spoil anything but after the previous books it was nice to see this different side of him at times and I ended up loving him. Syera and Carmine had a truly complicated relationship with her planning to kill him for a long time and I loved seeing them here and was extremely happy with how their story ended. I also loved seeing all the familiar faces from Kelly’s other books, I missed them and it was also nice to see the glimpses we got of the couples together.

Final Tier is a really great book, I loved it and definitely recommend it and the whole series to everyone. I can’t wait for more books from Kelly.
Profile Image for ~Shawna the crazy coffee reader~.
604 reviews43 followers
September 24, 2026
I’m devastated that this is really over. This series has been such a treasure. I have reread the previous books several times and enjoyed them each time. To come to the end, is bittersweet to say the least.

This book freaking rocked though! Man! Sometimes when we come to the very end things kind of just…. Flop. It can be lackluster or feel like a let down from all the build up. That was NOT the case here. Every single moment was another thing happening. When the big end finally came, it felt like the big end. I’m not too proud to say that I cried.

I just love these characters. Carmine and Syera were perfect. I love how everything unfolded and more was revealed. I didn’t know how we would get to this ending but the author somehow got us there. A little scraped up and sniffling but we still got here.

So…. We will def need a holiday short story or something though so we can revisit them 👀 hint hint!
Profile Image for Laura.
290 reviews6 followers
September 29, 2026
War of the Worlds, Supernatural Battle Style

Kelly St Clare is back on the field of battle to bring us the finale of her epic 12 book saga, Supernatural Battle Series. And trust me when I tell you, she's come to win it all. In style.

This is Final Tier.

Back in the Demon realm, Syera finds herself isolated. With her actions to save Carmine, she may have, possibly, probably destroyed the Supernatural Alliance. She certainly betrayed them. She's watched, questioned, unable to get a message to her sister and the Alliance to explain. Uncertain of her friends-she's got only one, and her sister in law is working to undermine her, and her mother in law? She'd stab her in the back faster than a girl could twitch. Syera's situation looks bleak to impossible. And that's the optimistic appraisal.

And Carmine, rather, the ancient entity possesing Carmine, he's working his own battle plans, and they revolve around Syera. Syera has only her dreams where she can talk with Carmine, until even they are snatched away from her.

As with every other book in this series, where things seem the darkest, these characters shine. Strength, shear gutsiness, hope, and love, is what drives each of them. They face the injustice the Games forced upon them and played them for the love they found and were determined to keep. As Basilia once said, love is the only game worth playing.

In the end, as the battle rages around them, it's love that defeats an ancient evil. And it's love that will heal the realms and keep the Alliance strong.

I can't finish without saying how much I adore this series. I've been spellbound since I first picked up Blood Trial. And I'll say to you what I tell everyone, if you want characters with depth, a plot that will capture your imagination, the sweetness of life long friendships and the promise of new ones, laughter and tears, you'll find that here. And it's the love, love that grows even when the world stands between you. This then is the series for you.

Thank you Kelly, it's been one hell of an epic ride!
Profile Image for Megan Corbitt.
7 reviews2 followers
October 2, 2026
The End of an Era

What an ending. ❤️

Final Tier was not only the conclusion to the Demon Peaks trilogy, but the final book in the entire 12-book Supernatural Battle series, and having read every single one of them, I couldn’t have asked for a better way to finish this world.

There’s always a little bit of nervousness going into the final book of a series you’ve invested so much time in. You want the story you’re currently wrapped up in to have a satisfying ending, but you also want that final book to somehow honor everything that came before it. Final Tier managed to do both.

I loved seeing the Demon Peaks story come together, but what made this book especially satisfying was the feeling that I wasn’t just finishing one trilogy, I was finishing a much bigger journey that started 12 books ago. Kelly St. Clare did such a great job bringing everything full circle and giving this series the send-off it deserved.

I’m genuinely sad that Supernatural Battle is over. After 12 books, these characters and this world have been such a fun place to disappear into. But if a series has to end, this is exactly how you want it to happen: feeling satisfied with the ending while still wishing there were just a few more books left to read.

A fantastic ending to Demon Peaks and an even better farewell to Supernatural Battle. ❤️
155 reviews2 followers
October 2, 2026
Epic!
Final Tier is the last book in Kelly St Clare's sensational Supernatural Battle series. Over all there are 12 books in the series. They are broken down into 4 trilogies. Which are Vampire Towers, Werewolf Dens, Coven Caves, and Demon Peaks. I enjoyed the game premise of each trilogy. Loving each new trilogy more than the previous. It's been 7 years of being in the Supernatural Battle World. I can't believe that it's come to an end. And what a spectacular ending. This book is filled with so much. It's a fast paced, heart wrenching, action filled ride. We are put through all the feelings and emotions. The villian is a most horrifying villian. He has been trapping people to do his evil bidding for thousands of years. Now Syera is faced with trying to stop him. Thankfully she isn't alone in her task. Because she needs all the help she can get to try to save those she loves. As well as the Realm and all of Earth. This is such an epic ending to the entire series. Some of the scenes will be stuck in my mind for life. This is a true work of art.





13 reviews
September 30, 2026
Wow. Just wow. Incredible. So freaking bittersweet. I cant believe its finally the very last Supernatural Battle. Im so happy to have the last book in such an amazing, intricate, perfectly woven together world. But so damn sad its the end.
Was the Supernatural Alliance enough to defeat their enemies? Was Syera strong enough to fight for what she believes in? Can backstabbing betraying mother in laws be redeemed?
Syera, with the help of her sister and their friends will fight with everything they have to try and make the Supernatural world safe for their families. Carmine and Tyran will fight with their lives to stop them.
I absolutely love how all the FMC from every series has such a strong roll to play in this final book. No one was left out or left wondering what happened. Every question is answered. It takes true talent to be able to pull this together so flawlessly without straying from the Demon storyline. We couldn't have asked for a better ending!! Amazing!
Profile Image for Jennifer Ashburn.
305 reviews4 followers
October 2, 2026
This book was an intense, emotional, and completely addictive conclusion to the series. The enemies-to-lovers tension between the heroine and her demon-king mate kept me hooked, especially as their hatred slowly gave way to a bond neither of them could escape. The wrath curse, ancient powers, mating magic, and supernatural politics created nonstop suspense, while the fierce love she has for her son added so much emotional depth.
I loved the high stakes, brutal twists, romantic chaos, and complicated choices the characters had to face. The danger felt constant, and every revelation made me want to keep reading to see how everything would unfold. This story made me rage, smile, and cry, exactly as promised. A thrilling, emotional, and satisfying finale for romantasy readers who enjoy powerful magic, complicated relationships, and unforgettable supernatural battles.
90 reviews5 followers
September 29, 2026
This is the last book in the Demon Peaks Trilogy and also wraps up the Supernatural Battle story arc that spans 12 books in total. I did receive an early copy of the book in exchange for my honest opinion and honestly, I loved it. This world is one of my favorites and I loved how all the books tied together in the end. Seeing all the characters come together to defeat the biggest bad was so satisfying! I love when story lines all come together in a neat package and the author did it beautifully here. In this book we finally see Syera and Carmine get their HEA and I think he deserves it the most. He suffered and fought alone for so long and his plight, as well as that of previous kings, pulled at my heartstrings. A wonderfully imagined story, beautifully told.
This entire review has been hidden because of spoilers.
Profile Image for Jacquie Stolz.
583 reviews
September 30, 2026
Amazaballs conclusion to trilogy and interconnected world.

This is the conclusion of 4 connected series and 12 books. This is the 3rd book of the demon trials. I honestly cannot pick a favorite, each world is complex, the relationships are great and the found family make the story. I think the demons had the worst part of this curse. The authors ability to build 4 connected detailed worlds and make them click so well together is amazing. 12 books and they were all amazing.

The Final Tier is incredible. The mystery, intrigue, the worry for her son kept ke turning pages. Seeing past characters was a fun way to say goodbye to this world. Absolutely would recommend this to anyone looking for complex worlds, action, mystery, magic, romance and found family.
Profile Image for Debbie Eyre.
6,215 reviews117 followers
October 1, 2026
The stakes have never been higher as we jump back on this rollercoaster ride. It’s been one hell of a journey that has had us hooked from the get go and immersed into this incredible world. Our characters have been through so much and this is the final battle brimming with action, mystery and intrigue. It’s a complex world and this author weaves their spell and gives us an ending worthy as they pull on all threads and draw everything together and answer all and any questions we had. Gripping the edge of your seat, we will see some old friends, we will laugh, we will rage and we will emerge victorious despite twists and turns thrown in our path, the drama, the danger and the intensity! It’s an incredible ending!
Profile Image for TashTastic.
12 reviews
September 21, 2026
The final book in the Demon Peaks trilogy and the final in the overall Supernatural Battle series.

This series has been my most favourite series I’ve ever read and I can’t wait to do a re-read.

We see the final confrontation of Syera against Carmine/Tayrn.

The twists, turns, betrayals and alliances that form in this book takes you through all of the epic stages of a story.

I particularly loved Tsan, Aritha and Raes in this book and how they intertwined, it was a cherry on top of a great book.

I wish I got more of Carmine and Syera at the end, but the ending was great and it was incredible to see it all come together after 12 books.

If you want a great fantasy, Magic, supernatural races, interconnected worlds, and incredible humour then this book is for you.

Thank you @kellystclare for being an incredible writer and the fact I get to know you in real is an extra special treat!

Read these books, you absolutely won’t regret it! Thank you the chance to get an ARC review 🥰
Profile Image for TXBRITGAL.
1,465 reviews37 followers
Review of advance copy received from Author
September 23, 2026
Brilliant conclusion to this AWESOME series 👏

What a phenomenal way to wrap up this adrenaline packed series!!! Love, family, prophecy and more, are all woven together in one brilliant finale - where a fierce FMC battles the taint within the kingdom and the body of her love. Get ready for OODLES of action, intrigue, drama galore, and of course one fierce and snarky FMC in the center of everything. The final, and most important battle is near, and *everything* is all on the line. These characters are multi dimensional and sooooo full of color -- they will have you engaged from the get go. I didn't want to say goodbye. Two thumbs ALL the way up from this reader.
8 reviews
Review of advance copy received from Author
September 25, 2026
I was lucky enough to receive an Advance Reader Copy of this book.

This book is the third in the Demon Peaks series and the twelfth in the supernatural battle collection.

If you have read the first two then you know you are in for a ride to see how Syera and Carmine battle it out to understand the Wrath Curse.

Typically lovers to enemies with all your favourite characters from Demon peaks making their appearances throughout the book.

Also some favourites popping in to say hi from the other series in the Supernatural battle that we all know and love.

Overall great read for the final battle and completion of the overall series.
11 reviews1 follower
Review of advance copy received from Author
September 27, 2026
Final Tier - It all ends here.

What an ending!!

Syera and Carmine have had a rough journey, and at the start of book 3, I've reached the point where I am finally routing for them.
In the final book, good has to overcome evil to save both worlds, and the question is; "Can Syera be able to save the world and for her to have a happy ever after?"
Some of the side characters are great in this series and just get better with each instalment: Tsan the clever lucky yellow demon, Athira the pyscho mother in law. Gratia, the sister in law you want to like but who keeps making bad decisions, Tyran the soul hopping chilling king who is evil incarnate.
After finishing this book, I now want to start the series all over again, starting with Vampire Towers and the laugh out loud fml Basilia.
Thank you, Kelly, for this wonderful connected series and for the ARC copy.
601 reviews
September 20, 2026
What an epic conclusion after 4 connected series and 12 books! I thought the Magus were the most complex but it’s definitely the demons. I had no idea how Kelly St. Clare would make this series work but she had a plan and it simply amazed me start to finish.

The Final Tier is incredible. Demons are manipulative, cruel and unique in their ways. Sadly there was no dirt raking in the conclusion. There is plenty of deception, secret alliances, ghosts and dreams. Tsan and Athira are my favorite demons and they really stepped up in this book. Overall, I loved this ending.
Profile Image for Amy Clarke.
163 reviews
Review of advance copy received from Author
September 20, 2026
I’ve been waiting years to finish this interconnected series, and it did not disappoint!

Kelly St. Clare has mastered the art of storytelling; with a strong female lead, complex relationships and obstacles to overcome. I could never work out how she’d pull it all together, but I couldn’t be more pleased with the result.

I really recommend to anyone who wants to dive headfirst into a unique world. I find the entire Supernatural Battle series so easy to read, with a mix of lighthearted moments and dramatic scenes. Definitely a page turner!
Profile Image for Sara Ann.
876 reviews6 followers
Review of advance copy received from Author
September 17, 2026
A heart wrenching conclusion to the Supernatural Battle World.

4 series interconnected, finally completed.

We have been waiting to know how Syera's story will end, and will she be able to defeat the big demon baddie?

This book was very interesting to see play out, I loved getting to see the interactions between her and Carmine's mother lol

The only things I wanted more of was
Profile Image for Cheryl  Haley.
149 reviews
Review of advance copy received from Author
September 25, 2026
This book had me hooked from the start! The enemies-to-mates tension, demon-king drama, supernatural danger, and powerful bond kept me turning pages. The stakes are incredibly high, and the twists kept me guessing about who could be trusted. If you love paranormal romance, fated mates, demon kings, danger, and a little spice, this one is definitely worth adding to your TBR!

#FinalTier #KellyStClare #ParanormalRomance #UrbanFantasy #MyWickedWords
Profile Image for Brittany.
225 reviews49 followers
September 26, 2026
I am devastated that this is the end of Supernatural Battle. I’ve loved every minute of this series and just don’t know what I’m going to do with myself now. As far as romantasy/paranormal romance is concerned, Supernatural Battle is one of my favorites. And as a series of interconnected stand alone series? Absolutely unmatched.

This was an epic ending though! I couldn’t see how the MMC would be redeemable at the end of book 1, but as usual Kelly absolutely delivered. No spoilers BUT I need to say that I love the nuance of [redacted] not being a clear-cut ally, but rather an ally of convenience, and the fact that it ultimately came down to ‘the enemy of my enemy is my friend…as long as it suits my goals.’

The end KILLED ME because I thought we were in for an unconventional HEA (if it could even be called that tbh). That last-second gotcha moment both pissed me off and made me laugh.

Thank you Kelly and team for the ARC! Can’t wait to see what you do next. 🫶🏽
This entire review has been hidden because of spoilers.
Profile Image for Abby Westling.
799 reviews1 follower
September 30, 2026
What a great ending to this universe! After four series, I’m really glad our leaders played their roles well. Syrea really risked it all in this one, multiple times, and that had my pulse racing, you could tell how it fueled her desperation. I think the action and the laying of the final pieces came together well. I do think there was some unanswered questions left involving some of the kids, here’s hoping we might get to come back.
Profile Image for Em.
8 reviews
Review of advance copy received from Author
September 20, 2026
Such a great conclusion to the Supernatural Battle series!! I don’t have many words as I process the ending to 12 books but just wow. Like f off Tyran and f yeah Syera and team for defeating him!! Kelly really tied everything together and had the perfect amount of emotional roller coaster & comedic relief in the book!
Profile Image for LeslecturesdeMylene.
6,094 reviews81 followers
September 29, 2026
CHRONIQUE Demon Peaks, book 3: Final Tier de Kelly St. Clare
J'ai apprécié ce final et les réponses qu'il nous apporte, les personnages sont intenses et ont réussi à me surprendre à une ou deux reprises. Un chouette dénouement pour cette saga et les sagas interconnectées.
17/20 - https://www.leslecturesdemylene.com/2...
34 reviews
October 2, 2026
incredible adventures and series wrap up

Riveting from beginning to end. And yes I too am sad the series wrapped up but I am hopeful for holiday or occasional visits from our made family in these realms.
Profile Image for Liz Callaway.
6 reviews
Review of advance copy received from Author
September 24, 2026
Ahhhhh where do I begin! The twists and turns for our demon crew had me on the edge ! Each corner had a new surprise, I wasn’t ready for! Wonderful ending to a great series! Well done Kelly!!
637 reviews4 followers
September 29, 2026
What a ride this story was. Absolutely loved it! The characters, the world and even the plot. I was so caught up in it, I wasn’t ready for it to end. Amazing way to end their story.
1,124 reviews6 followers
October 3, 2026
Just an absolutely amazing conclusion to an epic fantasy world!!! I loved every single twist and turns in this book! Can you say my spoiled ass still would love more from this amazing world!
Profile Image for Tiffany.
210 reviews9 followers
Review of advance copy received from Author
September 24, 2026
Fin of supernatural battle

This epic conclusion to the supernatural battle series was everything readers would have wanted. From convoluted last minute plans with danger to cunning discoveries, Kelly st Clare knew exactly how to spin such a griping tale that holds readers in place. Syera and Carmine's love has proven again and again they can overcome such dismal odds in the face of tyranny. There was no other ending that the readers would be able to accept than the one Kelly has provided. Absolutely sensational!!!
Profile Image for Ruth Hinojos.
391 reviews4 followers
Review of advance copy received from Author
September 23, 2026
So this is over, this amazing series is over.

It was everything I didn't know I need it. This book had it all, the twists and turns, the sweet moments, the love, the heart wrenching moments, the I can't believe it moments.

I loved the moments between Syera and Athira, the I want to hurt you moments so funny. The moments with Syera and Carmine were sweet although they were few.

This conclusion was really good, I just wish I could have a novella with all the couples happy and in peace.
Displaying 1 - 28 of 28 reviews