The Eighth Sin

by Crystal Crist, Nicole DiPatri Sheldon (Editor)

DESCRIPTION WILL BE ADDED SOON

Genres: Paranormal, Fantasy, Enemies To Lovers, Dark Romance

487 pages, Kindle Edition

Published July 7, 2026

About the author

Crystal Crist is a proud military spouse and a busy mom of three, adventurous, kids. As a self-published author, Crystal enjoys exploring various genres and connecting with her readers. Her journey is all about balancing love and creativity while also allowing her work to be a journey of healing for those with similar life experiences.

Reviews

[Lauren Head · Rating 5 out of 5]

This book put me through an emotional whirlwind, and I loved every second of it! Every chapter was packed with shocking twists, powerful moments, and revelations that kept me completely invested. Watching Morrigan finally uncover long-awaited answers and begin mastering her fire magic was so satisfying, but Tristan absolutely stole my heart. His unwavering devotion to Morrigan is everything, and the way he stands by her no matter the cost is impossible not to love. Morrigan’s fierce protectiveness over Azrael was equally beautiful, proving she’ll do anything for the people she loves. It was incredibly satisfying to watch the Lords finally face the consequences of how they treated Morrigan, with Tristan helping bring everyone to the same side. And Tristan and Kaiden together? They’re an unstoppable force, two fiercely loyal warriors who would burn the world down to protect Morrigan. Just when I thought I had everything figured out, the ending completely blindsided me. I never saw that twist coming! This series continues to keep me guessing, and I’m already desperate for the next book.

[Sybrenna · Rating 5 out of 5]

5⭐️ “Give me a little time to prove myself. I know you’ve given pieces of your heart away already… I’m just asking that you save one for me” I LOVEEEEEEEEEEE. it’s everything about this series that i just love so much. The characters, the plot, the way this book starts exactly where book 1 ended. The way it has me so immersed and not wanting to put it down. Oh this is a top tier why choose romantasy. I actually love that we got new characters and more world building and magic in this book. Ughhhh, and that ending?!! “the true prophecy” PLEASEEEEEE I NEED BOOK 3 LIKE YESTERDAY.

[Lisa Whitney · Rating 4 out of 5]

The Eight Sin was everything I want in a dark fantasy and more. From the very beginning, Crystal Crist pulled me in. Every time I thought I had the story figured out, another revelation completely changed what I thought I knew.

One of the biggest reasons I love this story is its dark fantasy premise, and it absolutely delivered. The magic system had enough complexity to keep me invested without becoming overwhelming, and the vivid descriptions made the setting feel real. This has an immersive setting that felt both beautiful and dangerous, making it easy to get lost in the story.

The character development was one of the strongest aspects of the book. Watching the FMC grow into her power was so satisfying. Her journey was filled with challenges and self-discovery. I loved seeing her gain confidence and embrace the strength she had within her all along.

The unexpected fated bond added emotional depth and tension to the story, while the love triangle kept me constantly questioning who I was rooting harder for. The found family that began in the first book continued to grow throughout this book, and by the end, I was emotionally attached to the characters and their connections with one another.

Kaiden and Dez are easily my favorite MMCs. The "touch her and die" energy throughout the book is exactly the kind of intensity I love in fantasy romance. Azrael and Malakai stood out and have become my favorite side characters leaving me curious how their story will unfold.

The multiple POVs and multiple timelines, with recovered memories, gave me a deeper understanding of the characters and the larger story. There were several moments that gave me anxiety about which bonds and relationships would survive everything that was unfolding, and that anxiety kept me turning pages.

The twists came one after another. With plenty of action, romance, mystery, and character development this story had me invested from beginning to end.

[Lisa Gainers · Rating 5 out of 5]

If you love reverse harem romance with a mix of golden retriever energy, "touch her and die" protectiveness, best-friend vibes, and a feisty FMC, then this book is definitely for you!
I was so excited to dive into this one, and it absolutely lived up to the hype.
From the very first chapter, I was hooked and found myself flying through the pages because I just had to know what was going to happen next.
Morrigan is such an incredible FMC. She's strong, stubborn, fearless, and refuses to let anyone walk all over her. Even when everything is stacked against her, she keeps fighting, and I couldn't help but cheer her on every step of the way. She is truly a force to be reckoned with.
The MMCs had me on an emotional roller coaster. One minute I absolutely adored them, and the next I wanted to shake every single one of them. They each bring something different to the story, and watching their relationships with Morrigan develop kept me completely invested. The chemistry, tension, and banter were so much fun to read.
The side characters deserve just as much love because they add so much heart, humor, and depth to the story. They made the world feel even richer and left me wanting more of every single interaction.
All I can say is...okay, Morrigan, you are an absolute force to be reckoned with, and I cannot wait to see where this story goes next!

[Lydia · Rating 5 out of 5]

This book put me through all my feelings! It was such a roller coaster 😮‍💨 but so worth it.

Morrigan finally got answers and even got training to wield her fire magic. And the bonus is Tristan! Omg yes this man is drowning me with his devotion to Morrigan 🔥

And Morrigan is so protective of Azrael 🥹 protecting him like a mother would 💜

Oh how all of the lords got to think over every mistake that they made towards Morrigan, but that is how everyone got on the same page. And that thanks to Tristan 😈😋

Kaiden has found his equal with Tristan both of them are a force to be reckoned with and neither will stray from Morrigan and will do anything within their power to kill for her 🥵

Finally got some answers and I already hoped Cain would die but that ending?! I DID NOT see that one coming 🤯 this serie keeps me on my toes and I want the next book already!!!

[Jessica Sherman · Rating 5 out of 5]

I thought I loved the 1st book, but then here comes Crystal, making this book even better. I absolutely loved this book. I don't want to give away any spoilers, so you will just have to read it yourself. Amazing job Crystal and can't wait to see if there are more books to follow

[Summer Thompson · Rating 5 out of 5]

Watching Morrigan grow, through everything she’s been through, in this series has been perfect. Poor girl goes through HELL and still not only survives, but prevailed!

I can’t wait the next book of this series!

[Kimberlee Kelley · Rating 5 out of 5]

Once again Crystal Cris has done a marvelous job!!!! ♡ Book two was just as captivating as book one....this story takes you on such a wild right of emotions. I am here for all of it! Can't wait for more 💯

[Tabatha Marsh · Rating 5 out of 5]

Great second book! BUT WHENS THE NEXT PART because what an ending!

[Sanne · Rating 5 out of 5]

It's a book that keeps you captivated. I want to say it a Duett It's not. But the clifferhanger is less bad then in book 1. I like and loved these books and am excited to read more of this author.

For me it's 5 stars because even tho it has a cliffhanger it's okay.

I received an advance review copy for free, and I am leaving this review voluntarily.

[Sarah · Rating 4 out of 5]

Loved it Morrigan is a bad ass and the way she cares for everyone was so good loved the fmc and mmcs and just the plot storyyline everything

[Bianca · Rating 5 out of 5]

This book delivered and I ate it up!

The characters, plot, world building, relationships, ... it was all 😘🤌 I don't want to give too much away, because this book is book 2 in a series and you definitely have to read the first. Any doubts I had after book 1? Obliterated. And that ending 😱 When's book 3?

I kindly received an ARC from the author through Bookfunnel. The opinions in this review are completely my own.

[Mercedes Ramcharan · Rating 5 out of 5]

This is Book Two of the Seven Deadly Sins series. I couldn’t wait to start this book after the crazy cliffhanger of Book One; only to be met with another cliffhanger! You MUST read Book One before this one. There are not standalones.

This book had me in a chokehold- I couldn’t put it down. So many secrets, lies and betrayals were brought to light. We learn to dispise one of the lords (I won’t ruin it by saying which one). Morrigan, the FMC, becomes an even more badass babe. We meet some new people, including another Shadow Daddy, a lovable Lycan Alpha, and an adorable little boy with powers that can literally kill. Despite all the emotional turmoil the author puts us through, there is a happy ending. That is until we are hit with the cliffhanger. I need Book Three NOW!

This is a dark romance, and there are some heavier topics and scenes in this book than in the first one. Please read the Trigger Warnings.

Overall Rating: 5/5
Spice Level: 2.5/5
Tropes: Why Choose, MM Romance, Forced Proximity, Grumpy x Sunshine, Fated Mates, Found Family, Blood Play, Vampires, Werewolves, Monsters, Magic, Slow Burn, Shadow Daddies, mythology/gods, Second Chances

[Abi Figurski · Rating 4 out of 5]

The Eighth Sin was such a fun read! I absolutely loved the characters and how much thought went into building this world. It had so many of my favorite elements—lycans, gods and goddesses, soul bonds, and a dark romance that kept me invested from beginning to end.

The world-building felt rich without being overwhelming, and I found myself wanting to learn more about the lore and the characters with every chapter.

My only downside was the romance pacing. It leaned much more toward a slow burn than I expected, and as someone who prefers relationships to develop a little faster (with more spice along the way), I was left wanting more. If you're a slow-burn fan, though, you'll probably love that aspect.

Overall, this was an entertaining read with a unique fantasy world and characters I genuinely enjoyed following. I'm definitely interested in continuing the series to see where everything goes next.

[Elemental Dragon · Rating 5 out of 5]

Thank you for giving me the chance to ARC read! I can't wait for more to come <3

Hands down would read this series again.

A lot of story progression and answers in this second book! Absolutely love it.

The character growths are good. You get to deep dive more into the lore as well. You meet new amazing characters that help fill the world.

I adore all the characters and getting multiple different perspectives is just yes! I enjoy that the switching of perspectives is easy to follow and gets us to really emerge into the different characters' mindsets. Nicely done

This really is a good why choose spicy romance about a FMC finding her strength after some intense trauma.

Ending was much better and still left us ready and wanting more!!! Highly suggest reading this series if you like adventure, spicy romance and FMC finding her way.

[Kristie Conaughty · Rating 5 out of 5]

Omg. I thought Book 1 was amazing, but Book 2 straight-up tackled me like a emotional linebacker and left me seeing stars. I devoured the whole thing in two nights. Saying “I loved it” doesn’t even begin to cover it—this book ruined me in the best possible way!
I’m head-over-heels for Tristan, and my heart is out here doing gymnastics for Mor and her complicated lord situation. The turmoil? Chef’s kiss. The trauma healing? Therapy in fantasy form. The magic, the love, the gut-wrenching heartache… this book has the full emotional buffet and I went back for thirds.
I’m now just sitting here vibrating with impatience, staring at my calendar like it personally betrayed me. Crystal, please dust off that witchy book magic, throw some glitter on it, and summon Book 3 already! My soul is begging. My sleep schedule is begging. The group chat is begging. We’re all begging. 🥺✨

[Vima · Rating 4 out of 5]

*** ARC Review ***
Rating 3.5/5 ⭐
Spice 2/5 🌶️

Thank you to Crystal Crist and team for selecting me as an ARC reviewer.

Book two of the series, so make sure to read book 1 first. This was definitely a world-building book. The growth that Morrigan goes through is so impressive, more so her acceptance of her past and how it got her where she is. I did find that she was a bit of a perfect person in this book which took me off of the story. Bad things happen to her but she can do no wrong. Also, (trying to say this without a spoiler) but she made an action to someone important to her love interest and he was like “oh well” with zero grief or heartache. Even if he agreed with the action, I would have liked to see emotion. I also didn't get the chemistry between them, it felt that their lust was out of proximity and not actual connection.

As for the other gaggle of men in the story, what stuck with me was “It’s nice to finally meet you, D,”. I literally cried. As a queer person, this is such a simple but heavy hitting sentence.

Final note: I'm shipping Dez and Keiden for the next book!

[Sydney Pringle · Rating 5 out of 5]

I was so excited to read the next installment in this series. I reread the first book right before which I loved all over again. Reading multiple POVs is always a favorite of mine. I do wish we could get a deeper dive into each character but I’m sure it’s coming! Meeting Tristan was a highlight. I love their relationship. Seeing Mor come into her power and controlling it more was empowering. Mal is one of my favorite characters. This book gave me all the feels. There are many twist and turns that keep you guessing. There is a good balance of spice and storyline. I can’t wait for the next one already to see what happens next. Couldn’t recommend this book more!
I received this book as an ARC and this is my honest opinion.

[Katie · Rating 5 out of 5]

Before I say anything else, when I tell you I could not put this book down, I am not exaggerating. This author’s writing is simply impeccable. It’s effortless to read, completely immersive, and so beautifully written that I genuinely forget I’m reading.

I loved the first book in this series, but I somehow loved this one even more. It was mysterious, suspenseful, and had me constantly guessing and worrying about what was going to happen next. I also loved getting to know the characters on a deeper level and experiencing all of the emotional turmoil they went through.

This author has officially become an auto-buy author for me and is easily one of my all-time favorites. Every book she writes reminds me why I keep coming back, and I already can’t wait to see what she writes next.

[Cheryl Haley · Rating 5 out of 5]

If you haven't yet plunged into *Courting Sin*, the glorious first installment of this series, seriously, go do it! You'll want all the backstory before diving into this one. And for those of you who've already been swept away by the first book, trust me, you absolutely *cannot* miss out on what happens next. Morrigan finds her footing in this book, annd we also uncover the identity of that mysterious man who’s been haunting Morrigan’s dreams. This book took me on an incredible emotional rollercoaster – I found myself laughing out loud and then, in one particular scene, completely tearing up. Crystal Crist truly has a gift for pulling at your heartstrings and putting you right into the thick of all the feels!

[Kate · Rating 5 out of 5]

I am such a huge fan! This second part of Morrigan's story is just as exciting and thrilling as the first. Heaps of character development, secrets, untold mysteries, and twists in the plot that I just didn't see coming. I loved it! Truly storytelling that the author should be so proud of! Read the first book 'Courting Sin' first to set the pace and background. You wont regret taking the time to establish what is going on. The wonderful thing is that I still feel like there is so much more to be told and unanswered questions. It's no wonder the pre-orders are sold out. Don't pass this one up, it's totally worth the read!

[Susan Vanderlaan · Rating 5 out of 5]

This one was everything I hoped for and more! Book one had me from page one and book two certainly did the same! The characters, the world all of the little details, Crystal nailed it perfectly and I’m swooning over this series it’s definitely leaving me with book hangover for sure! This is such a unique storyline from anything else that I have read and it makes my bookish heart so happy! Read this series!!

[Andrea Gleditsch · Rating 5 out of 5]

Secrets, despair, unbreakable bonds and a hunt to save the woman they love. The series continues to amaze me, how these characters keep growing on me with every chapter. The passion, need to protect and fight for redemption is so perfectly written.

I felt the desperation, sorrow, anger throughout the read. And it absolutely kept me on my toes.

One must go, it began with seven and it will end with seven.

Or is this how it all ends??

[Marsha · Rating 5 out of 5]

This book right here, Yes! Secrets are coming out. Tension is high. Enter sibling rivalry. And the making of an epic queen. This has all the conflict and all the emotion. I am in anticipation to see where this goes. I expect the mother load of a god war with the rise of a goddess. Crystal Crist did not disappoint.

[Brianne Hersey · Rating 4 out of 5]

What can I say other than Morrigan is a badass and I love her more and more.

this book had so many twists and turns that i couldn't think straight.

Can't wait to see where the story goes from here.

[Raven · Rating 5 out of 5]

ARC review: Crystal outdoes herself with every single book. This book was absolutely amazing and I cannot wait for the continuation of the series.

[Nicole · Rating 5 out of 5]

Wow! What a roller coaster this book was! I love Morrigan! This book made you feel all the feels with her! I can’t wait for more I need the next book 😅 that cliffhanger

[Lisa Kimbrell · Rating 5 out of 5]

Again and again. Just sucks you in. Ending with more intrigue….ugh can’t wait til the next installment.

[Jules · Rating 5 out of 5]

I love that she became a badass but also thought this was only 2 books! I’m excited for what the next book will be.

[Paige · Rating 5 out of 5]

wow 5* read!

Loved this 2nd book. When is the next one? I enjoyed seeing morrigan grow in this book. Also malakai what a nutter!