There are 15 books in the Lords of the Underworld series. The newest book is The Darkest King which came out in 2020.

1
The Darkest Night

Book cover of The Darkest Night
Though they carry an eternal curse, the Lords of the Underworld are irresistibly seductive—and unimaginably powerful… Don't miss a single book in this stunning paranormal series from New York Times bestselling author Gena Showalter!

All her life, Ashlyn Darrow has been tormented by voices from the past. To end the…
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2
The Darkest Kiss

Book cover of The Darkest Kiss
She has tempted many men…but never found her equal.
Until now.

Though she has lived for centuries, Anya, goddess of anarchy, has never known pleasure. Until Lucien, the incarnation of death—a warrior eternally doomed to take souls to the hereafter. He draws her like no other. And Anya will risk…

3
The Darkest Pleasure

Book cover of The Darkest Pleasure
He can bear any pain but the thought of losing her... 

Reyes is a man possessed. Bound by the demon of pain, he is forbidden to know pleasure. Yet he craves a mortal woman, Danika Ford, more than breath and will do anything to claim her--even defy the gods. 

Danika…

4
The Darkest Whisper

Book cover of The Darkest Whisper
New York Times bestselling sensation Gena Showalter returns with the next installment of her fan-favorite series… 

Bound by the demon of Doubt, Sabin unintentionally destroys even the most confident of lovers. So the immortal warrior spends his time on the battlefield instead of in the bedroom, victory his only concern…until…

5
The Darkest Passion

Book cover of The Darkest Passion
New York Times bestselling author Gena Showalter returns with another sizzling installment of the Lords of the Underworld series as Aeron, keeper of the demon of Wrath, finally meets his match… 

For weeks, the immortal warrior Aeron has sensed an invisible female presence. An angel—demon assassin—has been sent to kill…

6
The Darkest Lie

Book cover of The Darkest Lie
In this riveting installment of New York Times bestselling author Gena Showalter's Lords of the Underworld series, Gideon, keeper of the demon of lies, fights to uncover the truth… 

Forced to his knees in agony whenever he speaks the truth, Gideon can recognize any lie—until he captures Scarlet, a demon-possessed…

7
The Darkest Secret

Book cover of The Darkest Secret
In this sexy installment of New York Times bestselling author Gena Showalter's Lords of the Underworld series, the haunted Amun meets a woman who tempts him like no other… 

Keeper of the demon of Secrets, Amun can manipulate the darkest thoughts of anyone nearby. But when the immortal warrior is…

8
The Darkest Surrender

Book cover of The Darkest Surrender

Strider Immortal Keeper of Defeat Nothing comes between him and victory

Possessed by the demon of Defeat, Strider suffers unimaginable pain when he loses a challenge. For him, nothing stands in the way of winning. Until Kaia, an enchanting Harpy, tempts him. Kaia must bring home the gold in the…

10
The Darkest Craving

Book cover of The Darkest Craving

New York Times bestselling author Gena Showalter is back with a breathtaking Lords of the Underworld tale about a warrior trapped by darkness and the woman determined to save him.

Having endured weeks of torture in the bowels of hell, Kane wants nothing to do with his beautiful rescuer, Josephina…

11
The Darkest Touch

Book cover of The Darkest Touch
From New York Times bestselling author Gena Showalter comes the story of Torin, the most dangerous Lord of the Underworld yet… 

Fierce immortal warrior. Host to the demon of Disease. Torin's every touch causes sickness and death—and a worldwide plague. Carnal pleasure is utterly forbidden, and though he has always…

12
The Darkest Torment

Book cover of The Darkest Torment
New York Times bestselling author Gena Showalter returns with her most explosive Lords of the Underworld tale to date, about a fierce warrior on the brink of sanity who will stop at nothing to claim the exquisite human with the power to soothe the beast inside him…

Driven to his…

13
The Darkest Promise

Book cover of The Darkest Promise
New York Times bestselling author Gena Showalter returns with a sizzling Lords of the Underworld story about an iron-willed sovereign and the somber beauty who melts him with a glance…

Possessed by the demon of Misery, Cameo isn’t allowed to experience joy. If she dares, her memory is wiped clean.…

14
The Darkest Warrior

Book cover of The Darkest Warrior
A searing Lords of the Underworld tale by New York Times bestselling author Gena Showalter, featuring a beastly prince and the wife he will wage war to keep

He is ice…

Puck the Undefeated, host of the demon of Indifference, cannot experience emotion without punishment, so he allows himself to…

15
The Darkest King

Book cover of The Darkest King

To become a king of the underworld at long last, William must resist an irresistible beauty—or a curse will ensure his end…

A merciless prince feared by all…

Cursed by a vengeful witch, William of the Dark will die if he ever falls in love—murdered by the woman who steals…