Onyx (Lux Series Book 2) Review: What Happens After Daemon Heals Katy? 7 Twists You Didn’t See Coming
When Obsidian first landed on our bookshelves, it gave us an irresistible mix of otherworldly suspense, witty banter, and a sizzling enemies-to-lovers energy. Then came Onyx, the second book in the Lux Series by Jennifer L. Armentrout—and with it, the game completely changed.If Obsidian lit the spark, Onyx pours fuel on the fire.
What Makes Onyx So Addictive?
1. Katy’s Transformation Raises the Stakes
Katy is no longer just the curious book blogger next door. She’s evolving—physically, emotionally, and supernaturally. Her transformation forces her to reconsider everything: who she is, who she trusts, and how far she’s willing to go to protect what she cares about. The tension is no longer just about discovering secrets. It’s about surviving them.
2. Daemon Black’s Soft Side Isn’t What You Expect
In Obsidian, Daemon was all attitude and alien arrogance. In Onyx, he still is—but there’s more. His protectiveness over Katy deepens, but so does his vulnerability. His efforts to prove his feelings are genuine open up new sides of him. Is he charming or dangerous? Maybe both?
3. A Mysterious New Character Adds Layers of Suspense
Enter Blake—seemingly normal, definitely suspicious. His connection to Katy adds mystery, and possibly danger. His character is a catalyst, and his motives keep readers guessing until the very end.
4. The Government Is Watching
Just when Katy thinks things can’t get more complicated, a covert government group steps in. Known only as the DOD, they’re interested in more than just Daemon. Their presence raises the scale of the series—from a hidden alien conflict to a government-level conspiracy.
5. Emotional Depth Meets Sci-Fi Action
The brilliance of Onyx lies in its balance. It’s got explosions, chase scenes, and supernatural fights—but also heartbreak, trust issues, and moral dilemmas. It’s action-packed and emotionally resonant in equal measure.
The Physical Experience: A Book Worth Holding
If you’re thinking of buying Onyx, the good news is that it comes in several formats to suit every kind of reader:
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Paperback Edition: A sleek black-and-blue cover with Katy and Daemon gazing out with electric intensity. The minimal yet intense design reflects the darker, more emotional tone of Book 2.
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Hardcover (Collector’s): For those building their YA fantasy shelves, the hardcover edition feels premium and holds up beautifully to repeated reads.
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Kindle/Ebook: Lightweight and travel-ready, perfect if you’re binge-reading the whole series on the go.
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Audiobook: Narrated with emotion and clarity, ideal if you prefer to hear your way through the suspense.
Pricing:
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Paperback: $8–$12 depending on the seller.
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Ebook: Generally cheaper, around $5.
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Audiobook: Available via Audible or Google Play Books, with prices ranging from $7–$10 often free with a trial.
Availability: Where Can You Get Onyx?
- Amazon
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Flipkart
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Google Play Books & Apple Books (Ebook + Audiobook)
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Audible (Audiobook subscription)
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Local bookstores—especially those with strong YA or fantasy sections
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Libraries and Kindle Unlimited, depending on region
It’s part of a bestselling series, so it’s widely accessible across platforms.
What Makes the Lux Series Stand Out?
Most YA series flirt with fantasy or romance. Lux grabs both and doesn’t let go. Onyx pushes past the expected tropes and delivers characters with real conflict, a plot with escalating danger, and dialogue that crackles with sarcasm and heart.
7 Twists You Didn’t See Coming
While we won’t spoil the plot, let’s just say:
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Not all powers are blessings
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Allies might become threats
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And betrayal? It cuts deep.
Each chapter peels back a new truth, a new challenge, or a shocking revelation. Readers are constantly guessing—and often wrong.
Who Should Read Onyx?
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Fans of sci-fi with heart
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Lovers of slow-burn, enemies-to-lovers romance
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Anyone who craves twists, secrets, and fast-paced storytelling
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Readers who want a supernatural series that doesn’t talk down to them
If you’re into The Mortal Instruments, Vampire Academy, or Shatter Me, you’ll likely devour Onyx in one sitting—and immediately reach for Opal, the next book in the series.
Final Thoughts
Onyx is not just a sequel. It’s a turning point—where decisions carry deadly consequences, feelings run deeper, and the world opens wider. It dares readers to ask: what would you do if everything about your identity changed overnight?
More than just an alien romance or a high school fantasy, Onyx is a story about power, identity, trust—and the gray lines in between. It’s bold, emotional, unpredictable, and absolutely unputdownable.
If Obsidian pulled you in, Onyx will push you over the edge.