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Completed Fantasy Duologies to Binge Read Right Now
Published on 3rd Feburary 2026 | Updated on 16th August 2026
Read on for some finished fantasy duologies to get stuck into…
If you don’t want to invest your time or emotions into reading a lengthy fantasy series but want more depth than a single standalone fantasy novel, a duology may just be the right fit for you.
A duology is a series made up of just two books that work together to form a complete story.
There are some incredible completed fantasy duologies ready for you to dive into, which we will explore in greater detail below:
The Strange the Dreamer Series by Laini Taylor
Set in the world of Zosma, the series follows librarian Lazlo Strange who, along with a group of warriors, sets out to find the lost city of weep, subsequently unearthing its dark history and magical inhabitants.
Expect a central romance that sits alongside a story filled with adventure, myth and intricate world building. Themes include trauma, good vs. evil, loneliness, forgiveness and hope.
The Strange the Dreamer Series is available on: Amazon
The Crimson Moth Series by Kristen Ciccarelli
A romantasy duology following the wealthy character of Rune, who impersonates a vigilante rescuing witches and simultaneously falls in love with the very person hunting her down.
With forbidden romance, action and political undertones – this series has something for everyone. If you like books exploring themes such as hidden identity, betrayal and love – be sure to check out this series.
The Crimson Moth Series is available on: Amazon
The Elements of Cadence Series by Rebecca Ross
On the Isle of Cadence, childhood rivals Jack and Adaira, joined by a healer and a guard, come together to solve the mystery of the islands missing girls. It is an alliance that will unearth ancient rivalries and uncover the deep and dark secrets of Cadence.
Perfect for lovers of romantasy, celtic myths, and elemental magic.
The Elements of Cadence Series is available on: Amazon
This Poison Heart Series by Kalynn Bayron
This duology follows Briseis, a teenager living in rural New York. Briseis discovers she comes from a long lineage of powerful witches, and subsequently begins to embrace her own magical powers.
This YA favourite blends modern fantasy with Greek mythology to explore themes such as family, identity, and contemporary real-world issues.
This Poision Heart Series Series is available on: Amazon
Six of Crows Series by Leigh Bardugo
In the city of Ketterdam, a group of dangerous and thieving outcasts is lead by protagonist Kaz Brekker. Across the duology, readers are taken through the groups impossible Ice Court heist as well as the aftermath – a war of personal demons, revenge and survival.
A rugged, fast-paced fantasy series featuring multiple POV’s, morally grey characters and rich world building. Great for fans of darker fantasy novels that include violence, tension, and political intrigue.
This Six of Crows Series is available on: Amazon
The Shepherd King Series by Rachel Gillig
In the mist-covered gothic kingdom of Blunder, Elspeth Spindle’s mind is occupied by The Nightmare – an ancient, immensely powerful spirit. Elspeth’s life takes a drastic turn when, one night on the forest road, she encounters two highway men. It is this meeting that propels Elspeth into a plot defined by romance, danger and dark magic.
This romantasy series offers readers an atmospheric and unique fictional world to get lost in. Themes explored include power, sacrifice, redemption and second chances.
This Shepherd King Series is available on: Amazon
Dance of Thieves Series by Mary E. Pearson
Kazi, a former street thief turned queen’s guard and spy is sent on a mission to find a war criminal. It is through this mission that she encounters Jase – leader of an outlaw dynasty. The two characters go on to develop a complex relationship and become entangled in a world full of romance, dark secrets and a deadly battle.
Romance and adventure are well-balanced in this popular young adult series. Themes covered include loyalty, betrayal and found family.
The Dance of Thieves Series is available on: Amazon
Letters of Enchantment Series by Rebecca Ross
In the city of Oath, rival journalists Iris and Roman exchange anonymous letters through an enchanted wardrobe. Despite an on-going war plaguing their lives, both protagonists form a remarkable bond that will change them forever.
The Letters of Enchantment series is the perfect fusion of fantasy and historical fiction. Praised for its emotional intensity, swoon-worth chemistry and intimate epistolary narrative.
The Letters of Enchantment Series is available on: Amazon
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