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Fi has toppled immortal beasts. Antal welcomes being conquered.

After helping the Lord Daeyari reclaim his territory, semi-reformed smuggler Fi dons a daunting new role: rebuilding a city alongside her monstrous partner, a haven free from bloody sacrifice. So when Antal’s father unexpectedly summons him home, Fi’s first instinct is to ready her claws.

Only, claws won’t be enough for this adversary.

Antal faces his first homecoming in five decades, dreading two truths. From his father’s seat on the governing council, he could undo everything Antal has built. And their last argument ended with Antal’s lover dead on the floor.

But a greater danger lurks: the appearance of a creature that even the daeyari fear, burning its way through the Planes. With Antal’s father leading the hunt, he and Fi must ally with a team of immortals who could turn fangs on them at any moment.

Or worse, strain their still-fresh love until it snaps.

From the author of Voidwalker comes the conclusion to the Beasts of the Void duology where spicy monster romance meets the epic fantasy of the Cosmere.

608 pages, Paperback

Expected publication August 4, 2026

1336 people want to read

About the author

S.A. MacLean

3 books579 followers
S. A. MacLean is the bestselling author of The Phoenix Keeper (cozy fantasy) and Voidwalker (monster romantasy). She also holds a PhD in environmental science. After over a decade of battling seagulls and teaching college students how to save the planet, she now writes fantasy books filled with strange creatures and plenty of kisses.

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Displaying 1 - 16 of 16 reviews
Profile Image for Robin.
649 reviews4,831 followers
May 5, 2026
sunsplitter asks what else there is to confront after successfully toppling the government and falling in love with a cannibal??? daddy issues

giggling so hard at the how we met being: “so i blew up his capitol building” “so there i was just chillin in her rafters, and also the snow bank, and also i was in my bathrobe” (paraphrasing)

antals father is just thranduil if he was a cannibal on the twilight plane (#hereforit)

these two have me so goofy i love them so much

thank you to edelweiss and the publisher for providing the advance review copy. full review to come

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Profile Image for Booksblabbering || Cait❣️.
2,231 reviews918 followers
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April 28, 2026
It’s funny that this is grumpy-sunshine, but she’s the badass even though he has the literal claws.

Review:

As the new partner of an immortal territory lord, Fi has a ‘public obligation’ to act ‘respectable’. Fi, with her rainbow hair, chaotic energy, and tendency to bite back whether human, leader, or immortal carnivore beast.

I love how both Antal and Fi have sharp edges, but soft insides that they will fight tooth and nail to protect for the other.

‘Once the butterflies settle? You have to wade through the mud again. You have to find ways to live together. Sometimes, that means bending a little to fit your partner better. Sometimes it means supporting the shit out of them while they do their own thing. You have to figure out which version will get you through this.’

I appreciated that, although there was a happy ending to book one, Antal and Fi must live with this change and try and shape it into something sustainable.

Antal finally feels some semblance of belonging and safety, yet misses the sense of home.
No human city can replace his plane, the comfort of twitching tails and his own language despite Fi learning (lots of bad words).

We also get some tender and harsh family moments - blood and found. Of course, Fi almost gets eaten by Antal’s father which makes it all the more complicated…

This one felt a lot more brash, hornier and contained waaay more cussing than book one. I didn’t love that as it often felt over the top and crass. Don’t get me wrong, I love a bit of chaotic energy, but this was slightly too in-your-face for me.

Fi’s arrogance did grate on me, but her thoughtfulness compared to book one developed into a double-edged gentle sword.

Like I said of book one, this is not the cosy romantasy that was The Phoenix Keeper, but I always appreciate the themes MacLean covers with girl boss characters.

Arc gifted by author and publisher - Street Team.

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Profile Image for Courtney.
518 reviews4 followers
Want to Read
October 7, 2025
I will not know peace until this book is in my hands
Profile Image for Stella Cross.
51 reviews2 followers
Want to Read
October 8, 2025
Needed book 2 yesterday. Literally cannot wait to continue this series, it's so good, go read Voidwalker if you haven't already. You can thank me later😏
Profile Image for Paige Ottaway.
132 reviews3 followers
May 6, 2026
That 🔥 scene alone was worth 5 stars. This was absolutely incredible, I am so sad to leave these two characters. Voidwalker was one of my top reads of 2025 and Sunsplitter is no exception. This book was made for me, the romance is so unique and incredibly well written that I felt every single moment. I wasn’t sure where the plot would go after book one but i was not disappointed one bit, this was even more high stakes than Voidwalker and included more of what I love; betrayal and a whole lot of feminine rage. My favourite thing about these characters is how gentle and soft Antel is despite being seen as a monster and how fierce and vicious Fi is despite being seen as an insignificant human. Fi is so relatable, I love everything about her and I only wish this was a 10 book series so I could continue to fall into this world. Consider my heart slightly broken and full all at the same time ❤️
Profile Image for patricia.
153 reviews41 followers
Review of advance copy received from Author
May 7, 2026
SIX STARS.

It’s twice now that Sarah has left me speechless. The first time was after finishing Voidwalker, which exceeded any expectations I had. I expected to enjoy Sunsplitter, but would’ve been fine if it hadn’t been as revolutionary. It’s rare to find a sequel that lives up to the previous installment, but this one not only does that, but surpasses it. I don’t know how Sarah did it, but she did, and I am in awe of Sarah’s skills as a writer.

Sarah’s mind is unmatched. Sunsplitter was a chaotic and unhinged feast in the best way possible. I don’t know how Sarah can tell such a sweet, touching message on overcoming one’s past and reforming an unjust system, but also make it so wonderfully wild and complex.

We pick up right where we left off from Voidwalker with Antal’s dad summoning him home. The novel is fast-paced and it doesn’t take long until Antal reunites with his family, and oh boy, queue the mummy and daddy issues. I went into Sunsplitter fully prepared to hate Antal’s family with every fiber of my being, but the family dynamics ended up being so much more complex than I thought. Not everything was black and white like I thought. Maclean knows how to create these multifaceted characters with all these different, complicated layers to them that it’s hard to categorise them into just good and bad. Antal might have one of the most dysfunctional, flawed families ever, but it’s also so realistic and surprisingly heartfelt at times. I found myself tearing up several times, especially with the scenes involving Yme.

And wow, Avroz was exactly the kind of complicated character I thought he was going to be. It made me feel a lot of complicated things towards Avroz, especially since I have daddy issues myself, LMFAO. I empathised with so much of what Antal was going through with his daddy issues. Avroz is just so shrouded in mystery, cunning, and is so unpredictable. Even I had trouble trying to discern Avroz’s true thoughts. No spoilers, but it was intense but oddly thrilling at the same time, not knowing what he’s scheming.

But Sunsplitter also explores family in a different way – the ones you choose and the ones that accept you for who you are. Oh my god, it was the purest found family ever. Sarah’s background starting out as a cozy fantasy author really shows in all the heartwarming scenes between Antal and his friends. What makes it so satisfying is the build up to this found family since a lot of it starts off broken and messy. Mending that rift and rekindling that friendship and time apart from one another actually had me in tears because it was so incredibly moving. It’s that slow transformation, that slow build up of trust being formed again, that makes it so beautiful. By the end, what they share is a true, unwavering bond, filled with an absence of judgment and so much empathy. Antal deserves that so much!!

I just love overall the themes of togetherness, reconciliation, and making peace with your past. Everything was so incredibly uplifting it felt like a warm hug. It’s strange saying that for a monster romance, but it really is true. This duology really goes beyond that, though I’m sure the extra spice in this one will appease a lot of fans. It’s smutty yet never takes away from the heart and raw storytelling. These characters just feel so human – more human than so many other lust-filled romantasies. It feels authentically written but never overly mushy or sappy. It’s sweet but also spicy, honestly a win-win for people who love a good well written book and those who prefer it spicy.

And nobody told me how angsty this book was going to be, too?? My heart BROKE for both Fi and Antal in this one. I’m telling my kids Fi and Antal invested true love because their love was TESTED in this one. But I always love how candid they always are about their own insecurities to each other as well as how they’re always trying to be better for each other. It’s so freaking cute. The way they share their burdens together? Can’t get anymore wholesome than that. I love the parallels from book 1 and how Antal’s troubles mirror Fi’s own from the previous installment. It’s so sweet that this time Fi gets to take care of Antal. It’s really them against the world.

I already liked Fi in the first book, but she stepped up big time in this one, like, holy shit. I genuinely believe there is nothing Fi won't do to keep her and Antal’s relationship together. She really proves that she does not need claws and fangs to get things done and holds her own against the other immortal creatures. She is exactly the girl she thinks she is. Just so competent and would do ANYTHING for Antal, no matter how desperate or unhinged. She goes through so much terrible shit in this one, but she’s incredibly tough and resilient, a survivor through and through. It’s no wonder Antal fell in love with her.

Antal’s development, too!! I wasn’t sure how else Antal was going to develop since he already got so much development in book one, but wow. He just gets better. There is nothing I don’t love about this man. I love him more and more each time. If anyone deserves happiness, it’s Antal. He just radiates so much goodness in him it makes me scream that he has to have all the worst things happen to him in return. But still choosing to be good? Still choosing to be different and not conform to the scary daeyari reputation that’s expected of him? And, on top of that, wanting to change the system for the better? One of the best characters ever written.

This series is just one of my absolute favorites for the heart and emotional depth it has. I highly recommend reading the bonus stories in between Voidwalker and Sunsplitter to enhance the experience! Seriously, you won’t regret it!

If Sarah ever does a spin off with more characters set in this world, I’d 100% be locked TF in. Amazing, amazing, amazing. 6 stars. I also need so much fan art after this!! Huge thank you to Sarah for having me a part of her street team. This is a duology you won’t want to miss!
Profile Image for S.A. MacLean.
Author 3 books579 followers
Review of advance copy received from Author
April 10, 2026
Hello, it's me! The author!

I'm so excited to bring you the conclusion to the Beasts of the Void duology. I consider VOIDWALKER to be very much Fi's book, focusing on her home on the Winter Plane, her journey to forgive herself, her path to reconciliation with Boden and Astrid.

SUNSPLITTER is Antal's book. Fi is still our prominent heroine of course, still eager to face down immortal beasts she definitely shouldn't be yelling at. But we'll see much more of Antal's home on the Twilit Plane, and the strain of his relationships with the family and friends he left behind.

In book 2, you can expect:
- Our beloved bi4bi ship trying to figure out how to function as a couple
- So many daddy issues
- (Help, I called the antagonist Daddy Antlers on Instagram, now all the readers think he's hot and they can fix him)
- 33yo angry mongoose FMC determined to prove she doesn't need fangs to be intimidating
- Carnivorous immortal who is lowkey afraid of her (but he's into it)
- More sassy Void horse saving the day when we need her most
- Found family that makes me cry a little
- "I'll have you know that I'm God's favorite"
- Way more tail action

And of course please take care of yourself as you read.

Content warnings:

This novel is intended for adult audiences. It includes multiple scenes of explicit sex between consenting adults, including bite play, argument sex, wrist bondage, anal sex, double penetration, and pegging.

The non-human, immortal race in this world are obligate carnivores, with humans as their primary food source, including on-page description of a human being killed then eaten. Graphic violence includes bite wounds, burn wounds, dismemberment, and beheading.

There are brief depictions of hospitals, family grieving, and death from accident or illness, including a mention of a character who died off page from cancer.

This book centers, as a prominent storyline, the abuse of a child by a parent. This abuse in primarily in the form of emotional manipulation and verbal abuse, with two brief instances of physical violence (one past, one present).
Profile Image for bookgirlieri X.
137 reviews1 follower
May 9, 2026
I read Sunsplitter (ARC) in a day & honestly I don’t know what possessed me to think I could pace myself because once I started, I was completely gone. No breaks, no hesitation, just full blown obsession.

This is the kind of book that doesn’t just pull you in…it consumes you whole. From the very first page, it feels like stepping into a world on the edge of collapse, where everything is dangerous, beautiful, & just a little bit unhinged in the best way.

At the centre of it all is Fi, a heroine who is pure chaos & survival wrapped into one. She’s not delicate, she’s not easy to tame, & she absolutely refuses to be anything other than feral when it comes to protecting what matters. Watching her navigate a broken, burning world feels like watching someone rebuild themselves in real time…messy, powerful, & completely addictive.

And then there’s Antal… and honestly, good luck recovering from him. He’s the kind of presence that shifts the entire atmosphere the moment he appears…intense, unreadable, & dangerously magnetic. Their dynamic is all tension, friction, & moments that make you pause just to reread them because surely that just happened. It’s not soft romance…it’s the kind that pulls at you, tests you, & refuses to let go.

What makes Sunsplitter so addictive is the balance between chaos & intimacy. One minute you’re in the middle of brutal, high stakes action, and the next you’re hit with quiet, emotional moments that somehow hurt more than anything else. It’s fast, it’s fierce, & it keeps you hooked like you’ve got no choice in the matter.

Overall, this is a book for the girlies who love their romantasy a little wild, a little dangerous, & completely consuming. It’s not gentle…it’s gripping, intense, & impossible to put down once it gets its claws in you.
Profile Image for Charlotte.
156 reviews9 followers
Review of advance copy received from Author
April 23, 2026
SOBBING HOW IS THIS THE END IM NOT READY TO LEAVEEEEEEEEEE
GO PRE-ORDER THIS RN I SWEAR!!!

- Bi MCs
- Carnivore MMC
- Magic
- Tails
- Tails ;)
- Teeth
- Fighting
- Romance
- Multi-species relationship
- Antlers

Holy hell this was so good.

The politics, the drama, the fighting, Daddy antlers. This is one of my favourite books of all time.. I cannot wait for everyone ever to read this.

I am having an emotional crisis about the fact that it has ended, I may have to re-read immediately.

Did you read book one and go what if there was more fangs and tail stuff well here you go!!!

ever wondered what the perfect line between hot and evil - may I introduce Daddy Antlers.

This book was perfectly written and gave me everything I wanted (even if I wanted it to keep going forever)

Ill leave this quote here: "How do I say, put on your brakes, Gramps, in daeyari?"

Thank you so much to S.A. Maclean for the ARC on the street team and for Netgalley.
Profile Image for samantha ✨.
211 reviews3 followers
Review of advance copy received from Author
March 26, 2026
Thank you to S.A. MacLean for an early copy✨

If I could give this more than 5 stars, y'all know I would. My expectations for Sunsplitter were so high and to no ones surprise this has exceeded all of them.

From the expansive world that the author has created, the lore of the immortals to two (!!!) languages she's created, I cannot give enough praise. I laughed and I cried wayyy more than I would like to admit. Fi continued to be the same badass we know and love but learning more about Antal and watching him grow throughout the course of the book was deeply emotional. The new characters that we meet were such a delight and I am a little sad that we don't get more time with them.

I can't wait for y'all to read this one - truly.

And, for what its worth - she wasn't lying when she said we can't fix Daddy Antlers.
Profile Image for Mdog.
4 reviews
Review of advance copy received from NetGalley
April 14, 2026
OMG THIS BOOK IS PURE PERFECTION
Books like this make me wish I could review more than 5 stars.

This book was an absolute emotional roller coaster. Laughing then crying within the span of about 5 pages?!??
The best writing style for a dual PoV I have ever seen, the slight changes in the narration to fit that character's behaviours was pure perfection.
I loved seeing Fi develop as a character and learning all the details about Antal's life. I loved the new characters we met, I just loved everything about it.

If you read Voidwalker, you MUST read this. If you didn't read Voidwalker, read it and then read this.
Profile Image for Elle.
33 reviews
Review of advance copy received from Author
May 6, 2026
I honestly can’t tell you how much I love this book. When I finished, I immediately wanted to go back and read it ALL OVER AGAIN.
S. A. MacLean manages to not only write scenes with gorgeous description and beautiful narration, but it’s perfectly coupled with snark, witty banter that had me laughing out loud multiple times and WHEW GOODNESS ME the spice!!!
I honestly cannot recommend this book enough, and if you haven’t already read Voidwalker... GO NOW GO NOW!!!
Profile Image for Danielle Hilliard.
235 reviews10 followers
Review of advance copy received from Author
May 6, 2026
Actual rating 4.5

I often worry about book 2 following a phenomenal book 1. I've had some terrible follow ups that have left me hating the entire series, some which were ok but didn't live up to their first offering and some that were right up there with the initial story.

I am so very happy to say that Sunsplitter falls into the last category. I devoured this book in 2 days and struggled to put it down to do the life things.

The story brings us back into the Shattered Planes about a year after Voidwalker and picks up a couple of new enemies - namely Daddy Antlers (who can kindly eat all the dicks) and a new immortal species that prey on Daeyari, the Aedari.

I loved watching Fi and Antal build their relationship further and for Antal to find his courage. Also having Antal still having all his house cat energy makes me stupidly happy.

Definitely a series I'd forever recommend picking up.

Thank you to S.A. MacLean for an early copy (and for accepting lil old me on your street team) and I'm currently in a quite carriage on a train but still want to shout my love for this book, I have left an honest review
Displaying 1 - 16 of 16 reviews