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Carissa Broadbent
Crowns of Nyaxia
Carissa Broadbent's Crowns of Nyaxia is a dark romantic fantasy set in a world of rival vampire houses and the gods who made them. The main sequence is planned as six novels in three duologies — the Nightborn Duet, the Shadowborn Duet and the Bloodborn Duet — each following a different pair of protagonists through the politics, trials and blood feuds of Nyaxia's houses, with two standalone companion stories set alongside them. The series is ongoing.

Serpent and the Wings of Night
Crowns of Nyaxia #1
Six Scorched Roses
Novella
The Nightborn Duet #1.5
The Ashes and the Star-Cursed King
The Nightborn Duet #2
Slaying the Vampire Conqueror
Crowns of Nyaxia #2.5
The Songbird and the Heart of Stone
The Shadowborn Duet #1
The Fallen and the Kiss of Dusk
Crowns of Nyaxia #4
The Fallen & the Kiss of Dusk
Crowns of Nyaxia #4
The Lion and the Deathless Dark
Crowns of Nyaxia #5The recommended reading order is The Serpent and the Wings of Night, followed by Six Scorched Roses, then The Ashes and the Star-Cursed King, and finally Slaying the Vampire Conqueror. The novellas Six Scorched Roses and Slaying the Vampire Conqueror enhance the main story arc.
The Crowns of Nyaxia series is a standalone world and does not directly connect to Carissa Broadbent's other series, such as The War of Lost Hearts.
The third main installment in the series, The Songbird and the Heart of Stone, is confirmed and anticipated by readers.