Dark Paranormal (Vampire / Demon / Monster)
Heartsworn: A Monster Romance Sequel Where a Cursed Gargoyle Awakens and Claims His Fated Mate (War of the Underhill, 2)
Book 2 in the War of the Underhill series · Reading order →
SpiceDarkness
- Kindle, paperback & audiobook on Amazon
- Spice & darkness rated — content warnings listed below
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Why we recommend it
A monster romance sequel where a cursed garden hides a devotion that refuses to stay buried. Atmospheric, primal, and unafraid of its own weirdness.
At a glance
Heartsworn is book 2 in S.E. Wendel’s War of the Underhill series; to read in order, start with Heartsong. With 3/5 for spice and 3/5 for darkness it sits mid-range for dark paranormal romance (of the 852 dark paranormal romance books on Readark, 19% rate lower for darkness and 10% lower for spice). Its tropes include primal play, forbidden romance and possessive-obsessive MC. It is about as dark as S.E. Wendel’s other books on Readark (average darkness 2.8/5). It runs to 448 pages. We have not tagged its content warnings yet, so check the author’s notes before you start.
Book details
- Pages
- 448
- Published
- November 2026
Heartsworn spice level
Heartsworn is rated 3/5 for spice on Readark’s scale: open door, meaning explicit scenes written plainly, but not the engine of the book. Its darkness rating is 3/5: genuinely dark, meaning violence, coercion or captivity drive the plot, not just the mood. How we rate
Heartsworn content warnings
We haven’t tagged content warnings for this book yet. If you have specific triggers, check reader reviews before you start.
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