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Sci-Fi / Alien Dark Romance

Heart’s Prisoner (Dark World Mates Book 1)

Olivia Riley

Book 1 in the Dark World Mates series · Reading order →

SpiceDarkness

How we rate spice & darkness

  • Kindle, paperback & audiobook on Amazon
  • Spice & darkness rated — content warnings listed below

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Why we recommend it

A paranormal dark romance where a heroine becomes the prisoner of a possessive otherworldly mate. Expect captivity, obsessive devotion, and the dangerous comfort of a protector who refuses to let go. The mood is shadowed and intense, the bond as binding as a cage. A good fit for readers who love fated-mate intensity laced with menace, and the slow thaw from captive resentment into something fiercely loyal.

At a glance

Heart’s Prisoner is a sci-fi romance by Olivia Riley. With 4/5 for spice and 4/5 for darkness it sits mid-range for sci-fi romance (of the 403 sci-fi romance books on Readark, 47% rate lower for darkness and 30% lower for spice). Its tropes include dark protector, captive / captor and forbidden romance. 2 content warnings are listed below, hidden until you tap.

Book details

Published
July 2020

Heart’s Prisoner spice level

Heart’s Prisoner is rated 4/5 for spice on Readark’s scale: explicit and frequent, meaning multiple detailed scenes, with heat central to the story. Its darkness rating is 4/5: heavy, meaning sustained cruelty, trauma or non-consent central to the relationship. How we rate

Heart’s Prisoner content warnings

We list 2 content warnings for this book. They stay hidden until you tap, so you can check without spoilers.

Content warnings (tap to reveal)
  • Dubious Consent
  • Kidnapping / Captivity

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