Cassandra Lacroix

"I studied the human heart to heal it. I didn't know it was meant to be a sacrifice." Dr. Isobel Ambrose is a creature of logic. But logic couldn't save her mother, and it can't quiet the guilt screaming in her soul. Fleeing America for the cold, elegant shadows of Turin, she hopes her medical career will bury her grief. All she carries is an urn of ashes and her mother's diary—a book filled wi...

The universe is dying. And only those willing to become nothing can save what comes next. Six months after Vienna vanished from existence, the world has forgotten its own apocalypse. But Kora von Schaft remembers everything: the Text Epidemic, the machine god, and the moment she dissolved into light. Dr. Isobel Ambrose and Rhys Morgan face their ultimate choice: merge and perpetuate the cycle...

In the darkness between moments, love becomes the recursion error that crashes reality. Dr. Isobel Ambrose has descended through nine spheres of corruption, transforming into the Reverenda Madre Primaris, a distributed consciousness commanding two million sleeping minds. In Vienna, Rhys Morgan has achieved 100 percent integration with the Entity. They are bound by Silver Chains. The Text Epid...

They descended into the abyss seeking power. They returned with a truth that could destroy everything. Dr. Isobel Ambrose has achieved omnipresent consciousness spanning twelve cities, absolute authority over the global Nemeton network. But divinity is tearing her apart. Rhys has achieved stable existence in Klein's body but the flesh is rejecting its occupant. When both discover that what th...

When democracy fails, tyranny becomes necessary. When love costs everything, sacrifice becomes inevitable. Power demands sacrifice. Revolution requires blood. Some transformations consume everything. Isobel must save the Concilio from a threat the Shadow Council refuses to acknowledge. Hazel Czerny has perfected creating a vessel that houses consciousness beyond death. Rhys, ancient vampire bo...

The transformation is nearly complete. Isobel Ambrose has evolved into something that exists everywhere simultaneously while consuming everything it encounters. Her consciousness spans multiple dimensions, her voice carries the authority of cosmic forces. The secessionists led by Reverend Mothers Laurent and Blackwood mount a final resistance. As Isobel prepares to complete Gha'agsheblah, the ...

The murder of Reverend Mother Cordelia shatters the Shadow Concilio. Isobel Ambrose, practitioner, sphere-walker, accused killer, finds herself hunted by the institution meant to govern magical practice. The evidence is damning: her face captured in the victim's dying eyes. Isobel must navigate forbidden necromancy to extract testimony from the dead, manage an alliance with Adrian, a Wendigo s...

Four spheres descended. Four pieces of her soul sacrificed. And the darkness is only beginning. Isobel Ambrose has become something monstrous. As Reverend Mother of the Nemeton, she's traded her humanity for power, her compassion for control. Her greatest test awaits in the frozen Arctic, where the A'aram Zarush, a thousand-year-old device that can enslave minds, has been hidden beneath the ic...

Three spheres descended. Seven remain. And the Angel of Venom demands the ultimate price. As the newly appointed Reverend Mother of Turin, Isobel faces her greatest challenge: Samael, the sphere of poison and betrayal. The Concilio delle Ombre offers her a Blood Pact: thirty days to hunt down Elijah Voros. But Elijah is sheltering his daughter Lyra, who carries the reincarnated consciousness o...

She destroyed reason to save him once. Now she must drown love itself or watch reality collapse into the void. Dr. Isobel Ambrose is dying. Three weeks until the bond kills her. Three weeks to find a grimoire destroyed two centuries ago. Venice is drowning with her. In the flooded crypts beneath the Ponte dei Sospiri, an ultradimensional horror uses Rhys as a bridge into our world. The Nemeton...