Book profile

Fourth Wing

The Empyrean #1

by Rebecca Yarros

Romantic fantasyMilitary fantasyHigh fantasy
Compare this book
First published
2023
Audience
Adult
Series position
1 of 3
Series status
Ongoing series
Commitment
Long series
Profile basis
Individual book

Taste profile

At a glance

How the matrix works
Tone
Romantic
Pace
Fast
Magic
High
Prose
Accessible
Romance
Central

A physically vulnerable cadet enters a lethal military college for dragon riders.

Its high Darkness value reflects lethal training and on-page loss; its romantic tone and central romance still make the overall promise very different from grimdark military fantasy.

Best if you want

  • Fast pacing, dragons, and central romantic tension.
  • A lethal academy with accessible prose and frequent reveals.

Think twice if you need

  • Romance kept in the background.
  • A complete series or low levels of violence and sexual content.

Fantasy Fit Matrix

Fourth Wing

Individual book / romantic tone / fast pace

Taste intensity

Political intrigue

3/ 5

Darkness

4/ 5

Character focus

4/ 5

Plot complexity

3/ 5

Worldbuilding depth

3/ 5

Taste categories

Prose difficulty
AccessibleAccessible / Moderate / Literary
Romance role
CentralNone / Subplot / Major thread / Central
Magic presence
HighLow / Medium / High
Magic-system type
HardNone / Soft / Hard / Hybrid

Reading commitment

Series status
Ongoing series
Series commitment
Long series
3 published books

Outside the score

Reader context

Audience and content guidance help prevent unsuitable matches. They do not change what a Matrix value means.

Intended audience
Adult
Profile basis
Individual book
The Matrix values describe this volume, not an average for the whole series.
Series context
The Empyrean
Volume 1 of 3 published books.

Reader advisories

  • Violence
  • Sexual content
  • Strong language
  • Grief and loss

This is practical guidance, not an exhaustive content-warning list.

Data quality

Editorial record

Matrix v1.0 / calibrated / high confidence / reviewed 2026-07-22

If you liked Fourth Wing, start here.

The closest matches in the current library, calculated with Matrix v1.0. Scores reflect taste similarity and audience suitability. Books from this series are excluded, and each recommended series appears only once.

91.3%

Calculated fit

Ongoing series

The Serpent and the Wings of Night

by Carissa Broadbent / Crowns of Nyaxia

Best if you want
Adult romantasy with vampires, trials, and enemies-to-lovers tension.
Think twice if you need
Low violence, little sexual content, or a complete overall series.
Closest match
The strongest alignment is in worldbuilding depth and political intrigue.
Biggest difference
The clearest shift is in subgenre and tropes.

87.8%

Calculated fit

Ongoing series

Quicksilver

by Callie Hart / Fae & Alchemy

Best if you want
Enemies-to-lovers tension inside a fast, high-magic fantasy plot.
Think twice if you need
A completed trilogy.
Closest match
The strongest alignment is in political intrigue and tone.
Biggest difference
The clearest shift is in worldbuilding depth and character focus.

85.8%

Calculated fit

Ongoing series

From Blood and Ash

by Jennifer L. Armentrout / Blood and Ash

Best if you want
A romance-forward fantasy with secrets, betrayals, and supernatural conflict.
Think twice if you need
A compact or completed series.
Closest match
The strongest alignment is in worldbuilding depth and political intrigue.
Biggest difference
The clearest shift is in pace and character focus.

82.2%

Calculated fit

Ongoing series

A Court of Thorns and Roses

by Sarah J. Maas / A Court of Thorns and Roses

Best if you want
Romance as a core part of the fantasy promise.
Think twice if you need
Romance kept to a minor subplot.
Closest match
The strongest alignment is in tone and character focus.
Biggest difference
The clearest shift is in pace and worldbuilding depth.

79.4%

Calculated fit

Complete series

One Dark Window

by Rachel Gillig / The Shepherd King

Best if you want
Gothic atmosphere, a card-based magic system, and romantic tension.
Think twice if you need
A bright tone, low horror, or romance kept peripheral.
Closest match
The strongest alignment is in worldbuilding depth and political intrigue.
Biggest difference
The clearest shift is in tone and pace.

Guides that recommend this book