Diabolic by S.J. Kincaid *Spoiler Free* Review



Young Adult, Science Fiction and Dystopia


“Nemesis is a Diabolic. Created to protect a galactic Senator’s daughter, Sidonia. The girl who has grown up by her side and who is as much as sister as a master. There’s no one Nemesis wouldn’t kill to keep her safe. But when the power-mad Emperor summons Sidonia to the galactic court as a hostage, there is only one way for Nemesis to protect Sidonia.

She must become her.

Now one of the galaxy’s most dangerous weapons is masquerading in a world of corruption and Nemesis has to hide her true abilities or risk everything. As the Empire begins to fracture and rebellion looms closer, Nemesis learns that there is something stronger than her deadly force: the one thing she’s been told she doesn’t have – humanity. And, amidst all the danger, action and intrigue, her humanity might be the only thing that can save her, Sidonia and the entire Empire…”


I am only going to talk about Nemesis because she is our main character. I really enjoyed reading from her perspective. Because she isn’t human, she has different instincts and different thought processes. She is very brutal and her life is dedicated to protecting Sidonia, and she would do and kill anyone for that. What I also enjoyed was to read her discover other emotions next to the need to protect. I think Nemesis is a great character.


When I first started reading this book I sort of got the vibe that there wouldn’t be any romance in it, but when I started looking at reviews because I wanted to include this book in a Top 5 Wednesday post, but I didn’t know for sure because I hadn’t finished it yet, I came to the conclusion that there would be a slow burning romance it here. And after I got my mind set on that I actually started Nemesis pairing with someone else, and that ship sank, TWICE!

I really enjoyed the world which was created and the way it works together with its politics. Politics plays a heavy role in this book and that is normally not a topic which YA touches upon very often, which was also very interesting to read.

This book had me at the first line and the prologue, I really wanted to continue reading it and I kept turning the pages. But as the story progressed, it felt to me that the pace was becoming slower and I wasn’t that invested anymore.


I sort of suspected the ending to happen, so I wasn’t really surprised by it. But I am still not sure if I should trust a certain character. I don’t know why, just something feels off about him.


Overall I really enjoyed reading this book. I really loved Nemesis character and I could really relate to Sidonia’s character. And I really liked the concept and execution of the world. The beginning was very well written and very fast paced. But as the story continued it felt like the story was slowly down. I personally think this book would have done great as a standalone and I am actually satisfied with the ending, so I am doubting if I should continue on with this trilogy.


  • An amazing main character
  • A main character who isn’t human
  • Great world building
  • Amazing character development
  • Great friendships


  • I would have been satisfied if this was a standalone instead of a trilogy
  • Romance, and my ship died TWICE (Yes! I am salty about it)

Overall rating: 4/5 stars

4 thoughts on “Diabolic by S.J. Kincaid *Spoiler Free* Review

  1. Great review! I really loved this book too and 100% agree that I would have liked this to have stayed a standalone as well. I was a little disappointed when I found out it was turning into a series but I liked the characters so I guess it isn’t too terrible, haha! 🙂

    Liked by 1 person

    1. I agree, I don’t mind the characters that much, but if I don’t have any interest in the sequel when it comes out, I’ll probably only pick it up if I only hear rave reviews.

      Liked by 1 person

  2. I can’t wait to read this book! I’m so excited because the main character isn’t human and I’m going to LOVE that!! Aww I’m so sorry your ship didn’t happen… it’s hard when that happens. Great review!

    Liked by 1 person

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