To survive a lethal poison, I must crack an impenetrable vault. But my biggest threat isn't the ticking clock in my veins-it's the ruthless cartel heir who holds the key to my survival.
Azenor is an architect of systems, a brilliant engineer who has spent the last three years hiding from the shadows of Verglas, the ruthless sovereign city that murdered her father. But when she is injected with Synthetis-R-a lethal, slow-acting neurotoxin-her isolated world violently collapses.
To get the antidote, she is forced into a deadly arrangement with the very monsters she despises.
Cyprian Vesper is the heir to the most brutal syndicate in the city. He is a sociopathic mathematician, a predator masked by a terrifyingly flawless smile and bespoke velvet suits. He doesn't believe in mercy; he believes in equations. And right now, Azenor is the only variable capable of breaking into the Aegis Vault, an impenetrable subterranean fortress holding the antidote she needs and the leverage he craves.
Bound by a ticking clock and hunted by rival death squads, they must descend into the darkest, deadliest sectors of the criminal underworld. But as the betrayal deepens and the city's true puppet masters are unmasked, the cold logic of their alliance begins to fracture.
Cyprian is supposed to be her captor. He is supposed to be the enemy. But when the warlords of Verglas force his hand, the calculating monster decides to burn his own empire to the ground just to keep her heart beating.
Time is running out. The vault is locked. And the only way to survive the ruin is to rule it.
Vow of Ruin is a dark, high-stakes syndicate romance featuring a morally grey, possessive anti-hero, a highly competent STEM heroine, forced proximity, and a deadly enemies-to-lovers alliance. Intended for mature readers.