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I Killed the King

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One of Us Is Lying meets Knives Out—with beasts, murder, and magic—in this first book in a thrilling locked-room whodunnit YA fantasy duology by Andrea Hannah and New York Times bestseller Rebecca Mix.

After a decade of war, the kingdoms of Avendell and Istellia have finally agreed to peace. As nobles and magic wielders from both countries arrive at remote Castle Avendell for a historic all-night masquerade to celebrate, King Costis summons an unlikely group to his the crown prince, his Istellian bride-to-be, his personal guard, a wild beast tamer, and the palace’s questionable new healer. But before Costis can reveal why he has gathered them, the castle goes dark.

When the lights come back, the king is dead—murdered with the princess’s knife, in a weak spot only his guard knew of, and with venom from one of the beast tamer’s monsters lacing the blade.

With no clear killer—and everyone a suspect—they make a risky Tell no one until the treaty is signed. But when a winter storm seals everyone inside and someone aware of the king's untimely death begins to pick off guests one by one, the six suspects must work together to discover who killed the king . . . before one of them is next.

400 pages, Kindle Edition

First published September 16, 2025

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About the author

Rebecca Mix

11 books975 followers
new york times bestselling jasmine tea enthusiast and author of weird magical books. I don't use this account anymore, but you can find me here:

rebeccamix on tumblr
mix.becca on insta
mixbecca on tiktok

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5 stars
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4 stars
225 (34%)
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Displaying 1 - 30 of 237 reviews
Profile Image for Billie's Not So Secret Diary.
808 reviews123 followers
September 6, 2025
I Killed the King
by Rebecca Mix, Andrea Hanna
Mystery Fantasy YA
NetGalley eARC
Pub Date: Sept 16, 2025
HarperCollins Children's Books
Ages: 16+

The kingdoms of Avendell and Istellia, after a decade of war, have agreed to peace, and their nobles, plus those from around the kingdoms, all meet at Castle Avendell for an all-night masquerade party.

As the party begins, King Costis summons his son, the Istellian bride-to-be, his personal guard, a wild beast tamer, the new healer, and, unknown to them, someone else hides in a wardrobe, who was also invited to the party, but not by the king.

Before the King can tell them why he'd gathered them in the room, the lights go out, and when they come back on, the King is dead. There is evidence accusing each of them. But when there's another body, they know they must work together before more die.


Upon reading this, I questioned why I requested it. The only reason I can see is because of the 'beasts and magic' claim in the blurb. As for those beasts and magic, false advertisement. There are beasts mentioned, and some magic that the characters have, and spoiler, but none of it stands out in this book; all but one is filler, just to be able to list this as fantasy.

Needless to say, I was bored and skimmed this. I didn't have my suspect decided upon until about halfway through, but of course... Spoiler...

It's not a bad story, there is a lot of mystery; evidence, and accusations, and maybe if I was a bigger fan of mystery I would have enjoyed this more, but without 'beasts and magic' I was bored. But I think the biggest issue I had with this was the six, yes 6, POVs because some of the characters seemed to be almost identical in certain aspects. I can see a little as to why, but with all of the characters, it was overwhelming, and I had to spend more time forcing myself to keep them separate than enjoying the story.

There is violence and death that's not described in detail, but I don't think readers under sixteen would be able to keep up with the number of characters' POV this book contains. I could barely keep them all straight... Six is too many!

Even though the blurb claims this is the 'first book in a thrilling locked-room whodunnit duology', I won't be continuing.

2 Stars
Profile Image for Erin.
989 reviews73 followers
June 30, 2025
2.5 Stars, rounded up

This has the bones of a very good fantasy story and the execution of two friends writing a fantasy story together via Google Docs. In other words, the creator notes behind it are obvious in the ultimate execution. There are too many characters. We are told too many times about the characters (without the actions of the characters doing much to back up what we are told). The plot unfolds not in a way that feels carefully planned but in a way that feels like two friends delighting each other with the twists they've sent off via email. Which is fine. But it doesn't make for a good fantasy book. Sorry.

I wanted to like this book. I really did. And there were times when I felt like I could have liked it, if only the authors could stick the landing. But the execution never quite got there, which was just... disappointing. Anyway, my full review will dig into this more at Gateway Reviews. The review will be published September 12, 2025. Swing by if you want!

Note: I was provided with an ARC by the publisher through Netgalley in exchange for an honest review. All opinions here are my own.
Profile Image for Natalie  all_books_great_and_small .
3,300 reviews196 followers
January 5, 2026
I Killed the King is a fantasy book like no other I've read so far. It blends fantasy with murder mystery and a locked room setting, and I was hooked from chapter one.
I loved that it was written by two authors who are friends and thought they did an incredible job together on the story.
The book begins with King Costis who's throwing a masquerade ball in celebration of peace being made between two waring kingdoms: Avendell and Istellia. He summons an odd selection of people to his chambers but before he can fully explain why he's called on them, the lights go out and when they come back on, he is dead. But who killed him and why? As they all suspect each other and strange occurrences begin happening, one thread unravels another and not only do they have to unmask the killer, they have to keep the Kings murder a secret until after the peace treaty is signed, stop any further murders and learn who to trust. Trapped in the castle in the midst of a winter snowstorm that's getting worse and a monster loose inside, this book pulls you inside and teases you at the end of each chapter to unravel the mystery inside.
Profile Image for Cece ✿.
39 reviews33 followers
June 21, 2025
2⭐️
My opinion: I kept waiting for this book to get better, but it didn’t. Going into this book, I was expecting a story heavily inspired by Clue, and it was at first with the cover, the plot, six suspects, a huge castle, secret passages, etc. It’s only a mystery book to a certain extent though, almost everything that happens after the killer is revealed felt unnecessary. I was expecting the entire story to be about who killed the king (as it’s the title) and that there would be some dramatic reveal at the end, but no, we find out at 60%. The story was also hard to get into because of the pov, this book is the first one I’ve read of its kind.

genre: mystery, fantasy
pov: multi - third person, present tense
trope: unreliable narrator

Age rating: 13+
Violence: the king and a few others are murdered, st@bbing, strangling, poisoning
Romance: crushes, innuendo, confessions of love
Drinking/drugs/smoking: drunkenness, mentions of brandy, vodka, and wine, all characters drink underage (by American standards, the book doesn’t mention a drinking age), one character drinks to numb his emotional pain, the same character eats a large pink tranquilizer pill (meant to be used on animals) because they were out of alcohol
Language: 10 f***, 1 sh!th0le, 1 a$$h0le, 1 a$$, 1 g0dd@mn, 3 d@mn, 2 h3ll
Other: two of the male main characters are secretly in love with the other, this is a major part of the plot and is woven in throughout the story

Trigger warnings:
- mention of animal death
- mention of animal abuse
- semi-descriptive death of father
- mention of how another character was abused by her father

Publish date: 16-September-2025
Thank you to NetGalley and HarperCollins Children’s books for providing an e-arc of this book in exchange for my honest review
Profile Image for audrey (completely gone rn).
220 reviews161 followers
Read
August 22, 2025
start on: 8.13.25
end on: 8.21.25


‎‧₊˚✧pre-review✧˚₊‧
is this a safe space to say i’m confused but idk what i’m confused about?

‎‧₊˚✧pre-read✧˚₊‧
hehehehe arccccc!!! ugh i’m so excited this one sounds so cool
Profile Image for norah.
694 reviews63 followers
October 6, 2025
thanks to NetGalley for the eARC

⭐️=2.5 | 😘=2 | 🤬= 3.25 | ⚔️=3 | 13+

summary: six teenagers locked in a castle on the night an important treaty is to be signed, each with their own motivations and secrets, and then the king dies, and one of them killed him! gasp!! solve the mystery!!

thoughts: huh. hmm. okay. lots to say. very strong start, fun premise. locked-in-a-castle mystery will always hit—or rather, have the potential to hit.

there are two ways that a murder mystery can end in a super unsatisfying way: where is the catharsis of this genre if you take that from me?? so i hate that kind of resolution

the latter half of the novel was truly bizarre and honestly a bit of a mess. these gods aren’t coming out of nowhere, exactly, but the two different villains felt like two separate novels, one with magic and one without. i don’t know if the world was as coherent and carefully plotted out as is absolutely necessary for a murder mystery. that’s why it’s hard to do a successful murder mystery in a fantasy world, because your magic system has to be so clear to the reader that it’s possible for them to discover the true murderer and solve the mystery, too, but in this book that isn’t possible, so that means it’s bad at being a mystery. things were just not foreshadowed enough in the right way??

also the characters lost their fun personality traits after the first couple chapters—specifically thinking of Kellam. like he had the whole wry, sarcastic royalty thing going on and then all the jokes were totally gone after his dad died, which like, understandable, but also it means he’s super boring now and not funny. also not all of the characters were equally interesting—Clove and Melarie were super weak compared to everyone else.

basically this had a lot of potential but I was not super obsessed with the execution :(
Profile Image for Hayley.
1,131 reviews57 followers
April 3, 2025
This was so brilliant, I don’t have words.
MY CHILDREN. Oh man, this little band of misfits.
Oak - my boy, you can do no wrong, ever.
Kellam - sweet, sad, and filled with yearning, you have my heart.
Clove - precious, fierce, smart, and filled with love.
Melarie - whip-smart, loyal, my best girl. (Also, can someone make sure she’s okay? Her taste in men is… troubling, to say the least.)
Vesryn - loyal and kind, despite everything.
Ellion - oh buddy, Ellion needs a hug. And like, a nice warm bath or something. A hot chocolate and a baked good.

Oh my gosh, I can’t wait to read this again and again and again. A new favourite, for sure.

ETA: Can we say perfect book or can we say perfect book?
This had me riveted from page one and I was desperate for more after every chapter.
Rebecca and Andrea have done such an amazing job of making you fall in love with every single character, hoping none of them were killers and forgiving them when they were (no spoilers!)
I am so invested in this story; it has such interesting world-building - the gods, the magic system, the royal families and kingdoms, everything!
I can't wait to read book 2, I can't wait to see what happens and what chaos ensues.
Huge thank you to HarperCollins for the ARC. And to whoever answers your Edelweiss requests, if I ever have that kid, it’s all yours!
Profile Image for emmy.
448 reviews3 followers
July 25, 2025
[1.5] for a book called I Killed the King, i very reasonably thought that the whole book would be about finding out who killed the king. instead, i got the killer being revealed in about 60% of the way through with the rest of the novel being full of unnecessary nonsense. the gays couldn’t even make this a two star book for me 😔🏳️‍🌈 SPOILER 🚨:

thanks to netgalley and the publisher for the arc in exchange for an honest review
Profile Image for Denise.
253 reviews92 followers
March 14, 2026
Presented as a One Of Us Is Lying & Knives Out special mix, this is slightly more Gorey of a cozy mystery...Cozy Fantasy Gore? Also, LGBTQ+ rep - more "G" than others - though there were sapphic vibes I was getting from Malerie & Clove. Anyway, no spoilers, I had a surprisingly good time with this story as I don't generally pick up YAs. I don't know if the authors intended this to be as hilarious as I found it but Ellion (lush healer/ necromancer) had me chuckling out loud. No one is reliable and you get their perspectives as each chapter is in a different character's pov. Also, apparently everyone had beef with the King. So much fun & machinations going on.
Profile Image for Autumn Beck.
334 reviews37 followers
July 9, 2026
What a complete fool I am. I went in blind, first 4 hours were just okay but enough to keep me reading, then at 4h8m bam f-bombs, tone shift, and then came the out of nowhere gay revelation of the main character. 🤮 thankfully I only wasted 2 hours of my time since it was on double speed.
Profile Image for Meredith D.
412 reviews1 follower
April 4, 2025
4.5⭐️
When a King is murdered, in the presence of 5 unlikely witnesses, and none of them saw who struck the killing blow, what happens next?

This was a cool endeavor of the relationships between people formed in chaos and stress. I loved the play on time throughout the book and all the twists and turns with peeks into each of the characters. I can honestly say that the reveals were not what I was thinking and while this is fantasy, it was not high fantasy. Some characters had magical abilities, but we didn’t see a heavy use of those powers in the book.
I do think the ending was left open for a possible second book which honestly I’d be here for- I think there’s more to some of the characters stories and would love to get more!
Profile Image for Abigail McKenna.
985 reviews161 followers
November 22, 2025
Let me tell you what, it's been a while since I've read a book that's quite so dungeons & dragons coded. It felt like a one-shot being played by a group of friends, and I really loved it for that. I was so invested the whole time, trying to piece together what the heck was going on in this castle. I did figure out a lot of it, but it went in some crazy directions that I found really fun. I didn't realize that this is going be a duology but on further investigation that's on me for not reading the synopsis properly because it's right there lol and I'll 100% be reading book 2. I need answers! (but not like... too many things were left undone? it's not a cliffhanger, we do figure out who killed the king, but there are more things to explore in the wider world and I, for one, am sat to learn it all)

Overall, I thought it was quite good. I love a fantasy mystery, and I'm glad this randomly appeared in my email from Netgalley because I wouldn't have heard about it otherwise and I really enjoyed it! Four stars!

*content warnings for profanity (10 f-bombs) (TEN), murder (obvi lol), necromantic magic, and gay characters

**I received a copy of this book from the publisher via Netgalley. A positive review was not required. All opinions are my own.**
Profile Image for Tara ✨booksbeersbattlestargalactica✨.
145 reviews12 followers
October 8, 2025
A whodunit but make it fantasy! What a great concept and fun yet sometimes stressful adventure. With multiple POVs, I couldn’t help but fall in love with all 6 of these characters.. especially Kellam and Oak 💙 So many twists and turns and shocking reveals, I was guessing up until the very end.

This has been one of the most fun reads I’ve had this year and I’m really looking forward to the next part to this YA Fantasy duology. Check out the blurb… I’m telling you, you’ll want to add this one to your TBR right away. 📚
Profile Image for Nela.
51 reviews
December 13, 2025
I got this book because I saw a video of one of the authors promoting the mlm plot of two of the characters. A knight who loves his prince and vice versa and neither of them knows. While what she said would happen did happen (dramatic love confession and all included) it was definitely not quite matching the vibe I was expecting. It was more of a subplot than a grand reveal- especially because the reader knows both their feelings because of the multiple POVs- and it came much sooner than I thought it would.
Speaking of the POVs, there are 6 of them which is quite a lot and sometimes it read as if the characters who the chapters were focused on lacked their own voices. They're were multiple instances where I had to check the name of the chapter to make sure I know whose view I'm supposed to listen to.
While I enjoy murder mysteries and magic fantasy settings, I am not 100% sold on the idea of combining them. But I still will definitely read the second book too see where the authors are bringing the plot next, though part of me now hopes it won't be another murder mystery because that would feel like too much repetition.
That all said, I did still enjoy the book, it was an easy read, had a bit of a "chaos DND party" feeling too and the individual characters do all have potential to be extremely lovable.
Profile Image for Phoebe.
94 reviews10 followers
September 15, 2025
Thank you to the publisher and NetGalley for the ARC.

2.25 stars rounded down. This isn't really a terrible book IMO but it's also not very good. I was promised Knives Out so I expected a really tight structure with shocking twists and turns and a riveting investigation, but what I really got was Clue the boardgame where (most) players are kind of just coasting along and the conclusions seem kind of silly and out of nowhere. The prologue was incredibly intriguing, but everything afterwards was a bit messy and lackluster.

None of the POV characters were very compelling to me (other than perhaps Ellion), and I never got the sense that they were so much investigating the murder(s) as they were just being carried along by the plot. I also felt like all of their respective arcs were a bit lackluster; the only characters who seemed like they experienced any meaningful change were Kellam and Ellion. The "found family" between the POV characters also felt rushed (I know you're trauma bonding but it's been less than 12 hours and you're supposed to be suspecting each other of murder, for gods' sakes). Speaking of suspecting each other, it never really felt like any of them were that suspicious or distrustful of each other aside from the very beginning; everyone was way too quick to trust and never seemed to question the information the others would tell them, instead immediately taking them for their word. Additionally, there was one *incredibly* stupid moment towards the 75% mark where they confront the suspected killer with the killer's notes as evidence, hand them over when the killer asks to see them, and the killer obviously tears the notes up right in front of their eyes without anyone doing anything to stop them. Really emphasized for me how this is a group of barely adults floundering around.

Lastly, my big problem with murder mysteries set in fantasy worlds (even though I adore the idea of them) is that authors often don't do a good enough job setting up beforehand the rules of how the world works, so readers know what is or isn't possible. In this book's case, there needed to be a ton more foreshadowing not only with the plot but also the characters. For example, a character would go "so that's why things were always so weird around me" when there was no previous discussion about how things had always been weird around her before, and stuff like this happened multiple times (Oak's final reveal was particularly ???). In terms of the plot, it never felt like the twists were carefully planned out but rather like the two authors were just pulling them out of nowhere like "wouldn't it be cool if this happened?" The reveal for the actual real killer was kind of weird and confusing with the lore established, and the resulting climax was messy and hard to follow (like, how and why is any of this happening?).

I was really hoping for a good murder mystery to scratch the itch I've had since the last Knives Out but this, unfortunately, wasn't it.
Profile Image for Jen.
308 reviews
September 16, 2025
This is a fantasy murder mystery 🕵️‍♀️ with a nonlinear timeline, six POVs, and a strong focus on relationships under pressure. If you’re into character-driven fantasy with a murder mystery structure, light mythology and a bit of emotional weight, it’s worth a read. Not super heavy on magic, but enough going on to keep you interested especially if there’s a sequel.

The plot digs into the 6 MCs’ connections to the king, to each other and to the broader political and mythological world they’re in.. I enjoyed the 6 POVs but I realize some may not.

The book is more about uncovering layered truths than just “who killed the king.” There’s romantic tension, light humor and a timeline that moves around a bit which works well (for me at least), even if it takes some attention to keep track of everything. The killer is revealed earlier than expected (about 60% through), which shifts the story into less predictable territory.

It’s a pretty quick read. The pacing mostly works even if some moments felt a bit rushed. Because the story sticks to a single setting (as murder mysteries tend to), the worldbuilding feels somewhat limited. The mythology was a cool addition (I’m a sucker for them!), even if the magic system tied to it wasn’t fully explained. That part felt a little underdeveloped but maybe it’s something the sequel will get into more?

Warnings: Includes violence (stabbing, poisoning, etc.), trauma, underage drinking/drug use, references to abuse (including animal abuse) and queer romance as a central element.

Thank you to @booksparks , @mix.becca , @andeehannah and @harpercollins for the gifted copy. All thoughts are my own.
Profile Image for Lexxi.
285 reviews
July 26, 2025
From the description, I was expecting a locked room whodunit.

The story starts with 6 people in a room, lights go out, and then the king is dead. Each character was summoned to the king's chambers and it's a motley crew of people, most of whom want the king dead for one reason or another - so far, so good. Everyone suspects everyone else and they're all trying to figure out whodunit - perfect. We get some secret passages and every character is hiding something - great.

But then the story goes in a different direction. We find out who killed the king about halfway through but it stops being the central part of the story. Instead we get political conspiracy and the supernatural becomes heavily involved (I'm trying not to give anything away). I think if the book was described differently, I would be less bothered. I went in expecting a fantasy Agatha Christie book and it wasn't that at all.

The book also felt longer than it was. It dragged and it felt like things were reiterated more than they needed to be. It has the skeleton of a good story but needs more fleshing out (and a different book description).

Thank you to the author, publisher, and NetGalley for this advance review copy.
Profile Image for Trisha.
6,135 reviews245 followers
March 13, 2026
A locked room murder mystery but it takes place in a castle, involves a king and many close to him and not. Who killed the king and why?

This was so much fun! I loved the layers of the story, each POV really brought out all the history and secrets, and it really sucked me into the story. At first, I had some trouble keeping them all straight, but soon I was able to remember who was who and what their ability and threat was. Everyone was flawed, everyone had pasts and reasons to be there that night - and it kept me guessing until the very end.

I love that this mainly takes place over just a night. There's a countdown that adds the perfect urgency to the plot, pushing you to know - the throne and the power of rule are the cost at the end of the night. Such a fun mystery, I was hooked from the start and absolutely loved it.

I did half of this as an audio book and the narrator was fabulous and really brought out the personality of each person. I loved this one!

A huge thank you to the author and publisher for providing an e-ARC via Netgalley. This does not affect my opinion regarding the book.
Profile Image for Rebecca.
799 reviews
July 22, 2025
Thanks so much to NetGalley for the free Kindle book. My review is voluntarily given,
and my opinions are my own.

Yes, I know the book hasn't even been released yet, but with that ending, please, I need the next book right now! Seriously! What? There were so many twists and turns during the book, that I had absolutely no idea who the murderer was. Then that ending. Ugh. But it was sooo good. I really can't wait for the next one. Will be putting a reminder on my calendar to check for a sequel.

If you can't tell, I would definitely recommend this book!
Profile Image for Kat.
76 reviews10 followers
June 15, 2025
Many thanks to NetGalley for this ARC! This was a very fun and quick read. There were a couple points that I thought felt almost too brief, but mostly I thought the characters and story line were fleshed out and dynamic. I would have liked to see more of the world building, but the nature of a murder mystery style fantasy story means the scene is set in one place. The threads of the murder pulled me along with no resistance, and the ending of the book makes me VERY eager to see what book 2 will bring! 10/10 would recommend to anyone who enjoys fantasy, murder mystery, and the hint of something bigger than you.
Profile Image for Rebecca Lowe.
738 reviews4 followers
September 19, 2025
Middle school appropriate. First, the opening chapter is pure magic. It is beautifully done. The suspense was amazing and I definitely fell for a couple red herrings. Loved the plot twist at the end of chapter 37. There were some unusual story elements (Vesryn) that I will be interested to see play out in the sequels. Not sure I understand some of the magic (can’t say more without spoilers) but I think that is on me and not the writing so I am looking forward to when that will most likely be recapped in book 2. Finally, some of the word choices were really inspired—I stopped to admire several times when a tuen of phrase really stood out. Looking forward to more!
Profile Image for Julia.
950 reviews5 followers
December 21, 2025
2.5 stars. I was really excited for this, which makes the disappointment all the more bitter. The world building and magic system and timeline didn't make enough sense, and things were always confusing both in the world and in the actual scenes. Nothing was explained well enough for the breaking of those things to have any kind of impact on me. The "mystery" was boring and the fantasy wasn't well developed. I didn't realize this was YA going in, and perhaps I just wasn't the audience for this, but I think our youth deserve better.

This review sounds a lot harsher than I think my experience was, but that's the disappointment.
Profile Image for gretamitg.
103 reviews1 follower
October 10, 2025
I liked this very much. It did feel confusing at times, but that comes with the territory of a murder mystery. And boy did the confusion make sense with the reveal.
I do however understand the other reviews saying, that it felt not fully developed. Sometimes some things just felt a little undercooked. But that didn't take away from my enjoyment of the plot and my love for the characters.
This book is, in my opinion, wholly original.
I'm excited for a sequel.


Thank you to netgalley and the publisher for the e-ARC of this book.
Profile Image for Sarah.
637 reviews7 followers
September 25, 2025
I inhaled this. A locked room murder mystery fantasy? With magic and gods and a little romance? Yes please! I need more books like this. I’m guessing people who didn’t like this are going into it because of the Knives Out comparison. The mystery is there with a tiny bit of humor. But this is mostly a fantasy.
Profile Image for Risa.
191 reviews
September 7, 2025
Well, this book started strong, and ended… okay. Just okay.

I enjoyed the first half of the book way more than the second; particularly once we found out who murdered the king, the plot unfortunately started unraveling for me.

This book was pitched as a fantasy murder mystery. But we spent so little time actually trying to solve the mystery. The (main) murder was resolved 60% into the book. And the fantasy elements never really came together for me. Most of this book is just backstory for the main cast of characters, which is kind of a bummer, as it started getting old after a while.


The magic system felt all over the place for me. I didn’t love that many characters conveniently had the magical ability they needed at the perfect time (especially in the case of Ellion). It felt like the authors were trying to make a structured magic system, but then didn’t know how to fully fleshed it out in the story.

The mythology surrounding the gods was cool (at first), and I usually love that kind of stuff…but with so many info dumps, particularly at the beginning of the book, it was hard to keep track of everything. And when it comes to the magic system, I’m still confused as to who gets magic from the gods and why.


In regards to the murder mystery element, I wish there was more detective work done to figure out who killed the king. I never felt like the characters were actively trying to solve the king’s murder. And given the five suspects were in the room when the king died, I never felt like they were truly wary of each other.

One thing I love about the book is the queer rep! There’s plenty of it, which is great. However, the prince x bodyguard relationship was a bit odd to me. I actually liked the yearning at first. But then the bodyguard kept reiterating how the King was like a father to him, he was the King’s son in everything but blood, he and the prince grew up together, etc. So it came across as if the prince and bodyguard grew up like brothers basically… so for them to then be crushing on each other started to feel a bit icky to me. I think had the bodyguard not reiterated time and time again that he was basically the adopted son of the king, the relationship would’ve come across better.


This is one of the those books where the more I think about it after I’m done reading, the more frustrated I get with its execution. I was left with more questions than answers—and not just questions to be answered in the sequel, but questions that should’ve been answered in book one to make it less confusing. I shouldn’t have felt more confused whenever a new piece of lore was introduced in the story, and yet I was most of the time.

Ultimately I could see myself reading the sequel whenever it comes out, but I won’t be in any particular rush to do so.




NOTES I TOOK WHILE READING:
[Note: I had so many questions while reading that I couldn't fit them all here! So I'm only providing some of my notes...]
974 reviews13 followers
Read
September 13, 2025
Thank you to the publisher and NetGalley for an advanced reader copy

I Killed the King by Rebecca Mix and Andrea Hannah is a YA locked room fantasy mystery. On the eve of a ball to celebrate the arranged engagement of his son to the princess of another kingdom, King Costis is murdered and the six suspects have only twelve hours to figure out who did it or pin the blame on someone else. But as the clock ticks, each suspect finds that there are a lot more things at play than just a royal engagement.

A lot of the grander plot and now the worldbuilding, including the gods, fits into all of this is slowly revealed over time through the various POV characters and flashbacks. This is a locked room mystery in terms of plot goals, but the constant twists and fast pacing feels closer to a thriller, which makes it a bit harder to categorize as mysteries and thrillers don't necessarily fill the same niche but I think the easiest way to do it is that it's a locked room mystery written in the style of a thriller set in a fantasy world for the YA audience.

Of all of the POVs, Clove’s was the most interesting to me. She is a beast tamer and has a very distinct voice that has a bit of a sarcastic edge. The next POV character I liked was Kallem because there is a lot of yearning in his chapters for Oak, a guard who he has romantic feelings for and is constantly trying to get the attention of. The two are very entertaining and while I would read entire books about them, for the sake of what this book was doing, their chapters wouldn’t be able to convey the sheer scope of the magic systems and the worldbuilding if it was only them.

This is more plot-driven rather than character-driven. Because of how mysteries tend to be structured and the worldbuilding and how things were set up before the book started, while there are a lot of characters learning things and making choices, it is still plot-forward. I’m someone who is more of character-driven rather than a plot-driven reader so I will say that this is maybe more for the YA fan of The Tainted Cup than it is for the YA fan of The God and the Gumiho. I am interested, however, what is going to happen in the next book because the pantheon of gods and how it is going to play in the future is something that I am interested in

I would recommend this to YA readers who liked The Tainted Cup and fans of locked room mysteries who also like fantasy
Profile Image for Lucy  Larsen.
679 reviews3 followers
January 5, 2026
I have mixed feelings about this book, and I personally don’t think I’d really recommend it to some of my friends, but it wasn’t horrible.

A lot of this book just felt confusing. I understand that it was meant to be written in a way similar to a lot of mystery novels and films such as Knives Out, but I think the jumping around and back and forth aspect of this book doesn’t work in a written format as well as a film format. It was hard to keep track of and felt less like an unreliable narrator and more like an author (or set of authors in this case) that were losing the thread of the story and getting confused. Because of this I got bored at several points and almost put it down for good.

There were also too many characters with not enough motivation. There were the main six characters of course and the King as well. But then there were the princess’s three sisters, and the magistrate, and the princess’s guards and friends, and even more characters than that, and none of them had clear motivation or reason to exist in the story all the time. It made it difficult to follow and honestly made me care less for the characters that were important. I also didn’t like the ending. I understand that mystery novels often have an open ending in the way this book did, but it just felt like an inconclusive way of completing a fantasy mystery – like they wanted a second book but haven’t gotten around to it. The spicy level was a level 1.

Overall, I would rate this story a 3 out of 5 star rating. Not good, not bad, just existing. I wouldn’t recommend it, but I wouldn’t discourage reading it either. Overall, just indifferent to it.
Profile Image for Andrew.
2,427 reviews73 followers
April 20, 2026
A kingdom once ruled by Gods have been at war. Now, they are finally going to sign the peace treaty between their kingdom and the neighboring kingdom.
What better place to do so? A treaty peace ball and the union between the crown prince, Kellam, and the princess of the other country.
At the signing of the treaty in the king's chambers:
-Kellam, the Crown Prince
-Oak, the Prince's captain of the guard
-Ellion, the Healer with a drinking problem and a dark secret
-Vesryn, an Assassin
-Melarie, the princess
-Clove, the Beast Tamer

All of them have a lot of secrets. The signing of the treaty is in the works. The lights go out. The king is dead.
He has been:
-stabbed with a dagger on the princess's person
-poison from a basilisk who only the Beast Tamer would know
-the wound is in a place only the guard knows
-among other clues

So, whodunnit??

The secrets pile up. The bodies pile up. People or situations aren't always who they seem.

Rebecca Mix does a great job of creating a unique cast of characters, providing the twists, and elevating the suspense.
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