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She’s too innocent. I should walk away. But I don’t, I won’t.

Predator is book 4 in USA Today Bestselling Author KL Donn’s Kings of the Underworld series.

Della O’Neill…
Young. Beautiful. Clueless.
I should stay away from her.
Keep my distance and walk away.
But I’m drawn to her. To her light.
It’s constantly shining around her.
Despite the darkness lurking in her eyes.
And then it happens…
She shines that light on me and the decision is made.
Della is mine.

Holy Sinclair is nothing like his name.
He’s evil personified, darkness and hatred.
I should be running, screaming, away from him.
But I can’t.
I get a look into his eyes, see into his soul, I touch his skin, and it happens… Like it always does.
He has no idea, nobody does.
It’s my secret. My shame.
You see, I’m an empath.
I can take your pain, absorb it into my flesh and in return, I give you my light.
I give Holy a taste of it.
And now he wants more.
Who am I to turn him away?

He’s the predator, I’m his prey, and I’m not doing a damn thing to stop him from catching me.

226 pages, Kindle Edition

Published August 27, 2024

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About the author

K.L. Donn

152 books1,693 followers
Krystal writes as USA Today Bestselling Author KL Donn. Born and raised in Alberta, Canada, she has over 50 published books in differing romance genres. She enjoys making her readers cry as they go on a deep journey of love and loss through each book.

Experiencing her own insta-love at 17, Krystal has been with her husband for 18 years and they share 4 beautiful children together.
 
Fun facts about KL:
Perpetual romantic.
Coffee addict.
Sarcasm lover.
Give her an action flick over a romance. But a romance book over action. She’s weird like that.
Did she mention coffee addict?
Closet shopaholic.
Beach lover.
Coffee addict, it bears repeating. Again.
Husband obsessed. Hers that is, you can keep yours.
Mom of 6, well 7 if you count the husband. Oh and 2 of those are a cat & dog, that are confused about their species.

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5 stars
71 (52%)
4 stars
30 (22%)
3 stars
26 (19%)
2 stars
5 (3%)
1 star
2 (1%)
Displaying 1 - 23 of 23 reviews
Profile Image for Sarah Marie.
116 reviews15 followers
August 26, 2024
Predator is KL Donn at her absolute best.

I am a huge KL Donn fan, huge! But Holy and Della, their story and evolution is a masterpiece. I cannot love it more.

Holy is absolute perfection. He is at the top of my list of KL Donn Men and that’s a hard thing to do considering how well she writes them. He’s intense and obsessive, he’s over the top when it comes to his love with Della. He doesn’t understand it at first, only that it’s a part of him on a primal level and he’s determined to understand it.

Della is so sweet. She understands herself on such a base level, it was so interesting to read about. Her insight and reflections on those around her is so intense and gives great insight to her life as an empath. Everything that she feels is so intense, so amplified, it has forced her into a life of solitude and loneliness. And Holy may be just the one to break her free from the cage that’s been built around her.

Della and Holy are so intense, so perfect for each other. As much as Della is intimidated by Holy’s emotions for her, they give her the opportunity to flourish. They give her a safety she’s never been able to experience before. Holy finds in Della someone who can accept all of him, someone who’s willing to see all his faults and emotions, and can finally be the truest version of himself.

I cannot say enough incredible things about Della and Holy, this entire series is perfection. But Predator has taken the cake for me. KL Donn has the ability to weave the intensity of true life experiences with the chaos of love and emotions in the best ways possible. And because of that I will always be a fan of hers.
Profile Image for Leslee.
2,696 reviews76 followers
August 28, 2024
Holy and Della made my heart so happy! One of the best things about their story is that Holy needs Della as much as she needs him. She looks at him like the hero he is, she has the utmost faith in him. The sweetness that Holy showers Della with is so beautiful. While she has several very good friends, a father, and others around her, she is lonely. Holy has his family but he has an emptiness inside that always felt brighter when Della was around. While they have known each other for a while, the timing wasn't right. Now that he has her in his arms, he is determined to spend the rest of his days with her by his side. What truly filled my heart to overflowing was the epilogues! I am a huge fan of KLD and this story is the perfect example of why. Each story she tells has so much emotion and depth of the characters, creating worlds I always want to lose myself in. I cannot thank her enough for sharing them with us!
Profile Image for Tianna.
225 reviews3 followers
September 12, 2024
The fire that lit and never went out!

Holy and Della are connected in a way neither have experienced before. Even though they have known each other for years all it takes is a sip to spark the intensity that ignites what they only THOUGHT they felt. I couldn’t put Predator down and literally became just as obsessed to see where their story went as they were! K.L. Don. Never fails to bring the intensity of that all consuming love and protection from her characters. Kings of the Underworld are just getting started and I can’t wait to continue to get teases of the upcoming couples. I don’t know how she will up the ante from Holy and Della but I have no doubt K.L. Donn will find a way!
Profile Image for Kelly ~Booktrovert~.
725 reviews
August 28, 2024
Have I mentioned before how much I love K.L Donn's stories? No? Well, she is one of the absolute best.

One of my absolute favorite things about Holy (H) and Della (h) is that he needs her just as much as she needs him. While he may not understand why he is feeling such intense feelings for Della (which I found adorable) he never wavered.

This definitely packs an emotional punch and their HEA was a beautiful one.

I loved this so much I wish I could go back and read it for the first time all over again.

I received an ARC copy and am voluntarily leaving my HONEST review.

4⭐ 4🔥
Profile Image for Lynne Garlick.
2,642 reviews27 followers
August 28, 2024
Five huge fucking stars for this! I am not even playing! I read this in one sitting. I couldn’t put it down as Della and Holy’s story seeped into the very marrow of my bones.
Della is literally drowning, every day is getting more difficult. The fear is dragging her down into the darkness and then Holy is there. Could he be the light that she needs?
This book broke me, but put me back together so perfectly imperfect. This touched me in ways I never experienced before. This author is the absolute shizz! I have been punched in every single feel!!
Go!! Add this to your tbr now!! I cannot wait from this series! And this author!!
Profile Image for Tai.
317 reviews
August 16, 2025
3.3✨’s

First of all, I loved the H’s name. Second of all, I’ve been curious about Holy since his little brother’s book and woah. I loved the MC’s and would’ve rated it higher if we had a few more chapters of them being together after all the threats were eliminated.

Completely safe for me.

No OW/OMD, some pushing away from both before becoming an item, small separations due to work & climax, no 3rd act break up. Mentions of infertility.
This entire review has been hidden because of spoilers.
Profile Image for Nina.
185 reviews6 followers
August 30, 2024
This series just keeps getting better and better. Holy is complete obsessive, possessive perfection. Della is sweet, caring perfection. My heart broke for Della throughout the entire book but at the same time it was healed because Holy wouldn’t let her be anything other than her perfect self. I’m not sure how this series is going to continue getting better but I’m here for it!
Profile Image for Francheska .
1,114 reviews
March 11, 2025
Della is an empath she feels everything from everyone . Dropped at the father’s step as a young girl she has always been different … healing powers and feeling emotions have always come easy except w him .. it’s mutual . No words need to be exchanged with him ! It’s a burning desire for each other :)
2,706 reviews7 followers
March 21, 2025
Della’s father is Carter O’Neill who found her on his doorstep when she was three years old. Della is guarded and doesn’t trust easily. She goes to the market and makes jewelry to sell online. Holy was summoned by Carter to protect Della. Holy and Della have intense chemistry and a connection they’ve never experienced before. This one had me reading it in one sitting it was phenomenal.
Profile Image for Carolyn Spence.
2,047 reviews16 followers
August 29, 2024
Another intense and emotional read by Ms. Donn. Fire and ice, drastic and reckless words to describe their connection. A vivid story with high intensity. Holy is all in and Della is ready to consume his emotions. Loved this couple.

I voluntarily reviewed this book.
Profile Image for Belinda.
1,210 reviews15 followers
August 29, 2024
Wow what a delightful read! I thoroughly enjoyed reading this well written book by KL Donn. Della and Holy were wonderful and had a red hot chemistry despite all the drama unfolding around them. This series just gets better with each book and I look forward to reading more from it.
41 reviews2 followers
March 20, 2026
Holy and Della are such a unique couple in the best possible way! I love that Holy needs Della just as much and she needs him. Like his heart his empty without her. Slight teaser ** This book is so interesting since Della is an empath and once she is intimate with Holy he can read her emotions and feelings as his own as well. He is finally able to understand what she has been going through, giving them an even deeper connection as a couple. I cried so many times during this book for Della and what she had to go through. I am so happy that she had Holy there to fight for her. There is the perfect level of steam, drama, and storyline. K.L. Donn unsurprisingly does it again!

I received a free copy of this book and am voluntarily leaving a review.
326 reviews
April 10, 2026
Right from the start you knew you were going to get sucked in. The hero is de. protective of the heroine and the heroine def. gives off the vibes of trying to be strong and needing to be protective. The hero and heroine are simply magical together. I loved their whole story and the book.
Profile Image for cara.
740 reviews19 followers
August 27, 2024
Now if just CJ’s story could come 🥲 I will probably re read the series once that comes out.
Profile Image for Zariareads.
285 reviews8 followers
September 4, 2024
I found the FML to be annoying and childish sometimes…
I don’t know, she just felt like she was way younger than she supposed to be in some ways.

But I love the ML❤️
207 reviews2 followers
November 11, 2024
Great book

I am really loving this authors writing style. The characters are great, the stories flow so well and I love the instalove. I'm so eager for the next book in the series.
Profile Image for Megan  Wehby .
31 reviews6 followers
March 8, 2025
This author never misses! Automatic one click! This is a dark, mafia romance, it has some dark themes so make sure you read the trigger warnings! Unhinged, OTT, possession MMC and a special, broken FMC come together in this 5 star book!
Profile Image for Jedi.
505 reviews4 followers
March 7, 2025
Dark, intense, and utterly captivating, the chemistry between Della and Holy crackles with danger, wrapped in a haunting tale of pain, power, and obsession.

The story grips you from the first page and refuses to let go. I am a definite fan of K.L Donn books and her addictive romance.
Profile Image for flynn.
436 reviews
June 2, 2026
so are we doing magic now? empathy’s a super power but not literally. also holy wasn’t possessive or obsessed enough imo
Displaying 1 - 23 of 23 reviews