Blood Oath of the Cartel: Darkness Binds them. Passion Defines them.
Lady Heartswell
Seraphina Thorne has survived a century by adhering to two trust absolutely no one, and never break the Blood Oath of Purity. As an elite Enforcer for the Vampire Council, she is cold, lethal, and undeniably efficient. But when a rogue faction of bloodsuckers infringes on the territory of the city's most dangerous mortal, Sera's routine cleanup mission erupts into a violent turf war.
Alejandro Vargas, known on the streets as El Diablo, built his cartel empire on the bones of his enemies and the absolute certainty that mercy gets you killed. When he discovers a deadly, ancient predator operating in his sanctuary, his first instinct isn't to run—it's to claim her. But the undeniable, explosive chemistry between the mortal king and the immortal weapon is a threat to both their worlds.
When a brutal attack forces them into a bloody alliance, Sera makes a choice that shatters the unwritten laws of her she takes Alejandro's blood, binding her soul to a mortal. Now, the Vampire Council's Vanguard is at their door with iron, silver, and fire. They expect Alejandro to surrender the monster. Instead, he will burn his own empire to the ground to protect what is his.
Can a predator who traded isolation for power and a king who traded mercy for control survive the wrath of an ancient coven? Packed with visceral action, dark romance, and explosive chemistry, this spicy, morally grey, urban fantasy mafia romance will leave you breathless.
Embrace the darkness and step into the Cartel—read for free on Kindle Unlimited today!
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