The Masks of Under · 2019
King of FlamesSpice level, tropes & is it dark romance?
Spice 3/5 (Hot) · Darkness 3/5 (Dark) · 1 trigger warning flagged
King of Flames is book 1 of The Masks of Under by Kathryn Ann Kingsley, first out in 2019. It sits in the masked hero, captive, vampire and romantasy corner of the shelf. Spice is open door (3 of 5) and the darkness is dark, but there is light (3 of 5). We could not find the author's own warning list yet, so check it before you start. This note is ours. It is not a publisher blurb.
First published: 5 March 2019 (first publication, per Goodreads). Book 1 of The Masks of Under.
King of Flames tropes
On this shelf, King of Flames is filed under Masked hero romance, Captive romance, Vampire romance and Dark romantasy. Each tag opens more books with that trope.
King of Flames spice level
Is King of Flames dark romance?
Yes. King of Flames scores 3 of 5 on our darkness scale (Dark).
Spice and darkness are separate scores. More dark books. How we rate.
King of Flames trigger warnings
Warnings not yet verified. We could not find the author's own content warning list for this book, so the flags here are only what the publisher's description makes clear. Check the author's note before you start.
Graphic (0) — open before you read
Open this before you read. These are the flags most likely to be a hard stop.
None flagged in this band.
Minor (0)
Present, and usually not the reason someone puts the book down.
None flagged in this band.
Full King of Flames trigger warnings
The Masks of Under reading order
King of Flames is book 1 of 1 in Kathryn Ann Kingsley's The Masks of Under series. Start here.
- Book 1 King of Flames (this book) · 2019
Order checked against the Goodreads The Masks of Under series page on 13 October 2026.
Who it's for
Shelf note written for this site. We do not copy reviews or publisher blurbs. Outbound links are search pages, not quoted ratings. Kindle Unlimited and endings are only flagged when we were willing to mark them. How we rate.
Missing a book? Suggest it.
Books like King of Flames
Matched on shared tropes, then the closest spice and darkness scores. Other books in the same series are listed above, not here.
- The Court that Bleeds Gold
The Court that Bleeds Gold
Zara Storm
Spice ●●●○○Dark ●●●○○
Shared: Masked hero romance, Captive romance
- A Sea of Song and Sirens
A Sea of Song and Sirens
Whit Stanfield
Spice ●●●○○Dark ●●●○○
Shared: Captive romance, Dark romantasy
- City of Gods and Monsters
City of Gods and Monsters
Kayla Edwards
Spice ●●●○○Dark ●●●○○
Shared: Vampire romance, Dark romantasy
- Heart of Dracula
Heart of Dracula
Kathryn Ann Kingsley
Spice ●●●○○Dark ●●●○○
Shared: Vampire romance, Dark romantasy
- Loving a Vampire Is Total Chaos
Loving a Vampire Is Total Chaos
Aura Hayes
Spice ●●●○○Dark ●●●○○
Shared: Vampire romance, Dark romantasy
- The Book of Azrael
The Book of Azrael
Amber V. Nicole
Spice ●●●○○Dark ●●●○○
Shared: Vampire romance, Dark romantasy
- A Crown in Shadows
A Crown in Shadows
Carissa Broadbent
Spice ●●●○○Dark ●●●○○
Shared: Dark romantasy, Vampire romance
- A Dawn of Onyx
A Dawn of Onyx
Kate Golden
Spice ●●●○○Dark ●●●○○
Shared: Dark romantasy, Captive romance
Books like King of Flames, with a reason for each
Questions readers actually ask
What is the spice level of King of Flames?
King of Flames spice level is 3 of 5 (Hot). Open door. The scene stays. Darkness is a separate score: 3 of 5 (Dark).
What are the King of Flames trigger warnings?
Graphic: none flagged. Moderate: Captivity. Minor: none flagged. Warnings not yet verified against the author's own list. Check it before you start.
Is King of Flames dark romance?
Yes. King of Flames scores 3 of 5 on our darkness scale (Dark). Harm is part of the romance, not a footnote.
What tropes are in King of Flames?
On this shelf King of Flames is filed under Masked hero romance, Captive romance, Vampire romance and Dark romantasy.
Who is King of Flames for?
For a reader who wants a man behind a mask. Spice is hot. Darkness is dark. Warnings are not yet verified, so check the author's note first.
What are some books like King of Flames?
Matched on shared tropes and similar spice and darkness: The Court that Bleeds Gold by Zara Storm; A Sea of Song and Sirens by Whit Stanfield; City of Gods and Monsters by Kayla Edwards; Heart of Dracula by Kathryn Ann Kingsley; Loving a Vampire Is Total Chaos by Aura Hayes; The Book of Azrael by Amber V. Nicole. More read-alikes, each with a reason, are on zademasked.com/like/king-of-flames.
Is King of Flames a standalone?
No. King of Flames is book 1 of 1 in the The Masks of Under series by Kathryn Ann Kingsley.
What order should I read the The Masks of Under series in?
1. King of Flames.
How many books are in the The Masks of Under series?
The The Masks of Under series by Kathryn Ann Kingsley has 1 main book.
What is the King of Flames age rating?
We'd say 18+. Spice sits at 3/5 (hot) and darkness at 3/5 (dark). That's our recommendation, not an official rating, so read the trigger warnings as well.
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