Romantic Fantasy

Throne of Nightmares by Kerri Maniscalco Summary: A Romantasy Full of Twists

Introduction

Kerri Maniscalco’s novel blends dark fantasy, romance, and elements of horror.

The story moves between a small coastal town and a nightmare realm ruled by a banished goddess.

Readers who enjoy fast-paced romantasy with high stakes may find the setup intriguing.

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TL;DR: A Nightmare Realm, A Hidden Goddess, and a Fated Bond

Lore Brimstone, a small-town librarian, receives a mysterious stone that pulls her and Prince Sloth into Somnia, a world built from dreams and nightmares.

They must survive deadly trials created by an ancient book while Lore’s hidden magic grows stronger.

The story ends with Lore discovering she is the Goddess of Night, defeating the book’s influence, and beginning a life with Sloth in the Underworld.

  • Genre: New Adult dark fantasy romance
  • Main characters: Lore Brimstone and Prince Sloth
  • Setting: Somnia, a banished realm of nightmares
  • Ending: Closed romantic conclusion with no major cliffhanger

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Characters In This Book

  • Lore Brimstone (Nyantha): A small-town librarian who is later revealed to be the Goddess of Night.
  • Prince Sloth (Cassiel): One of the seven Princes of Sin who becomes Lore’s protector and fated mate.
  • Xavier: Sloth’s master librarian who betrays him to serve the Book of Nightmares.
  • Fable: Lore’s protective, book-loving brother.
  • The Old Woman: A Temple Knight who gives Lore the phoenix tear.
  • Kensington: A pirate first mate who allies with Lore and Sloth.
  • Logan Blaze: A dragon shifter from one of Lore’s favorite romance novels.
  • The Four Horsemen: Fae princes (Conquest, War, Famine, Death) who host a lethal Hunt.
  • The Library: Sloth’s sentient, enchanted home that can communicate and manifest research.
  • Princes of Sin: Sloth’s brothers (Lust, Greed, Envy, Wrath, Pride, Gluttony) who appear at the end.

Throne of Nightmares book Summary (3)

Throne of Nightmares Summary: From Librarian to Goddess

SPOILER WARNING: This section reveals the entire plot, including the ending.

Get the Complete & Detailed Chapters Summary of Throne of Nightmares

Prince Sloth (Cassiel) infiltrates a lethal temple on the Shifting Isles to retrieve the Liber Noctem, the Book of Nightmares.

His master librarian Xavier betrays him, steals the book, and escapes through a portal to Somnia, a banished realm. Meanwhile, in Bellington, Lore Brimstone receives a mysterious “worry stone” from an old woman at a festival.

The stone is actually a phoenix tear once attached to the Liber Noctem. When Sloth tracks the stone’s magic to Lore, a shadow portal opens prematurely and drags both of them into Somnia.

There they discover that Xavier has started the Trials of Unbinding, designed to test a rare dreamweaver. Lore is that dreamweaver, though she does not know it yet.

Somnia is a world where different eras and fictional stories overlap, ruled by the banished Goddess of Night, Nyantha. The landscape includes giant spiders called Lycosidae and vampire-like specters.

As they travel, Lore’s subconscious magic pulls scenes from books she has read, creating dangerous chapters they must survive. Sloth begins training Lore in mental shielding to protect her from the book’s manipulation.

Their journey includes a goblin cannibal’s cabin, a Regency-era ball where Lore kills a marquess in self-defense, and a pirate ship called Silverbeak’s Wrath.

On the ship, Lore and Sloth share a first kiss before a sea monster attacks and destroys the vessel. Sloth stays behind to fight the creature, allowing Lore to escape to the Isle of the Damned.

Alone on the island, Lore meets the Four Horsemen of the Apocalypse and is forced into a lethal Hunt. She masters her shadow magic, summoning a shadow pet named Teddy.

Sloth eventually finds her, but he has been bitten by vampires and is turning feral. In a protective rage, Lore uses her magic to annihilate the horseman Death, revealing the full extent of her power.

The duo is transported to the Court of Fear, the heart of Somnia. Lore learns she is not just a dreamweaver; she is the Goddess Nyantha herself.

Her soul was split by the old gods: one half lived as the mortal Lore to learn empathy and love, while the other remained locked in Somnia. The Liber Noctem tries to trick Lore into believing her adventures were a dream, but she resists.

Lore reunites her soul fragments and seizes her throne. She discovers the book was using Sloth’s magic as a battery through a forced tattoo.

Using a mystical dagger, she severs the book’s connection to Sloth, rendering it inert and releasing the original phoenix trapped inside for eons.

With the trials won, Lore transforms the Court of Fear into the Court of Daydreams.

Three weeks later, Lore lives in Sloth’s castle in the Underworld. She founds the “Ruined by Romance” book club for the other princes and their companions.

The story ends with Lore and Sloth accepting their fated mate bond and Lore finally living the adventurous life she once only read about.

Throne of Nightmares book Summary (1)

If You Enjoyed Throne of Nightmares, Try These Books

  • Kingdom of the Wicked by Kerri Maniscalco: Set in the same universe, featuring another Prince of Sin and a dark, atmospheric mystery.
  • Throne of the Fallen by Kerri Maniscalco: A companion novel in the Prince of Sin series involving Prince Envy and high-stakes games.
  • Once Upon a Broken Heart by Stephanie Garber: Features a whimsical yet dark quest involving deals with powerful, morally gray immortals.
  • A Court of Thorns and Roses by Sarah J. Maas: Deals with a mortal woman pulled into a dangerous Fae world where she undergoes trials and finds fated love.
  • The Serpent and the Wings of Night by Carissa Broadbent: Features lethal trials set in a dark fantasy world with strong romantic subplots and powerful, ancient beings.

Frequently Asked Questions About Throne of Nightmares

Does Throne of Nightmares end on a cliffhanger?

No, Throne of Nightmares ends with a closed romantic conclusion. Lore and Sloth accept their fated mate bond and Lore moves to the Underworld.

Is Throne of Nightmares a standalone?

Throne of Nightmares is the third book in the Prince of Sin series, but it can be read as a standalone story. The book provides enough context for new readers to follow the main plot.

Who does Lore end up with in Throne of Nightmares?

Lore ends up with Prince Sloth (Cassiel). They are revealed to be fated mates and begin a permanent partnership in the Underworld.

What is the main setting of Throne of Nightmares?

The main setting is Somnia, a banished realm built from dreams and nightmares. The story also briefly takes place in Bellington, a port town on the Shifting Isles.

Do I need to read the first two Prince of Sin books first?

You do not need to read the first two books to understand the main plot of Throne of Nightmares. However, characters from earlier books appear in the final chapters.

What did you think of Lore and Sloth’s journey? Share your thoughts or questions in the comments below.

MD Touzani

Hello! I'm Meed Touzani, a lifelong literature enthusiast and researcher with 25+ years of reading experience across fiction and non-fiction. As the creator of URSummary.com, I provide structured plot breakdowns and character guides to help readers navigate world literature.

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