A Glimpse Back & A New Beginning
The moment you open The Blackbird Oracle, there’s this comforting familiarity — Diana Bishop, Matthew de Clermont, magic, history, shadows — all the pieces that made the earlier books feel alive. But there’s also a shift: this isn’t just about the discovery of magic or forbidden romance so much as it’s about inheritance, responsibility, and legacy.
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Diana is entering an exciting new chapter as she explores her own powers alongside the extraordinary abilities of her family—both past and present, with exciting future possibilities! The Congregation has demanded that she and Matthew have their twins, Pip and Rebecca, tested. This adds an intriguing layer of challenge that goes beyond facing immortal threats or unravelling enchanted manuscripts. The adventure is just beginning!

What’s New: Magic, Home, and Hidden Lineage
The Proctor Family & Ravenswood: A thrilling addition to the story is Diana’s great-aunt Gwyneth Proctor and the intriguing Proctor family, complete with their historic home, Ravenswood. Harkness masterfully reveals long-hidden family secrets, blending the literal and metaphorical elements of ghostly presences, old grudges, and intricate rituals. It’s a captivating journey into the past that engages and enchants!
Higher Magic & The Test for the Twins: The twins’ incredible magical potential is a pivotal focus! The Congregation’s test inspires Diana to explore the true essence of power, the importance of protection, and her feelings about passing on magic, leading to a profound and meaningful journey of discovery.
Internal Conflict Over External Threats: Although external challenges lie ahead, the real heart of the story lies in Diana’s internal growth—her fears, doubts, and the legacy she’s determined to reshape, especially regarding spellbinding, which has shaped her family’s history. This focus on emotional depth enriches the narrative, creating a captivating blend of heartfelt journeys and magical experiences.

What Works Well
Atmosphere & Setting: Harkness captivates us with its rich settings! Ravenswood, full of history and natural magic, immerses us in the enchanting scents and atmosphere of old homes and ancestral woods. It’s a truly vivid experience!
Character Growth: Diana’s magic has truly transformed her as a witch. Motherhood, her lineage, and her bond with Matthew give her fresh insights as she approaches power. Even familiar characters reveal exciting new dimensions. If you’ve enjoyed the earlier books, you’ll appreciate these meaningful changes that enrich the story. Get ready for an inspiring journey!
Pacing of Revelations: While the book offers deep introspection, the intriguing revelations about the Proctor family and Diana’s heritage enrich the story seamlessly. The mystery keeps you engaged throughout, and the ending promises exciting possibilities ahead — it definitely feels like a pivotal moment leading to something even greater!
What Might Be Less Strong — & For Whom
Expectations for Action & Romance: Although this book may not match the original All Souls trilogy’s intense romance and thrilling action, it provides introspection and historical depth. This book might feel quieter, lighter on grand confrontations.
Balance Between Old & New: Longtime fans may find new family lines and magic exciting, even if it means some beloved dynamics take a back seat. It’s fascinating to see how Matthew’s role has evolved in this book compared to earlier ones, highlighting the growth and transformation of even the ancient vampire!

Overall Impression & Who Will Love This
If I had to sum it up: The Blackbird Oracle is Harkness returning to her roots, but also pushing beyond them. It’s about legacy, hidden histories, the sometimes uneasy inheritance of magic, and what you do with power when it’s thrust upon you (or when you discover it already there).
This is an excellent pick if you:
- Loved the All Souls series and want to see more of Diana’s world, especially her magical lineage.
- Enjoy fantasy that weaves in family secrets, history, and introspective conflict, not just battles and epic plot arcs.
- Are okay with a slower build, with rewards in emotional stakes, world-building, and mystery rather than constant action.
Might be less satisfying if you:
- Were primarily in this series for visceral thrills (vampire vs danger scenes, big magical showdowns) and want every moment to feel life-or-death.
- Prefer clearly resolved arcs in each book rather than threads left dangling to build toward something bigger.
How The Blackbird Oracle Compares to the Earlier All Souls Books
Tone & Atmosphere
- A Discovery of Witches (Book 1): Fast-paced and romantic, with the thrill of discovery. Diana and Matthew’s relationship is front and centre, with danger, passion, and that “hidden magical world” being revealed for the first time.
- Shadow of Night (Book 2): A sweeping, historical immersion — time travel, alchemy, and Elizabethan intrigue dominate. Dense with detail and slower in spots, but lush and expansive.
- The Book of Life (Book 3): Climactic, bringing together the major conflicts and revelations about the Book of Life itself. Action, closure, and legacy drive the story.
- Time’s Convert (Book 4): More of a character study. It explores Marcus’s transformation and backstory, with less focus on epic conflict, more on identity and family. I read it last because I wanted to read more about Diana and Matthew.
- The Blackbird Oracle (Book 5): Quieter and more introspective than the trilogy’s high-stakes action. Its atmosphere is gothic and ancestral, with Ravenswood and the Proctor family history anchoring the setting. Less about chasing external threats, more about the haunting weight of legacy.

Character Focus
- Earlier Books: The trilogy is very focused on “Diana and Matthew.” Their romance, power struggles, and choices drive everything. Even in Time’s Convert, Marcus’s story remains tied back to Diana and Matthew.
- The Blackbird Oracle: Diana takes the spotlight almost entirely. Matthew is present, but less central. The twins (Pip and Rebecca) matter for what they represent — the next generation of magic — but the book feels like Diana’s personal reckoning with her powers, her fears, and her family’s hidden past.
Conflict Style
- Trilogy: External threats dominate: the Congregation, rival witches, vampire politics, and the mysteries of the Book of Life.
- The Blackbird Oracle: The primary battles are internal. Diana struggles with fear, spellbinding, motherhood, and the meaning of wielding power responsibly. Yes, there are antagonistic forces, but the core of the story is about inheritance, secrecy, and emotional truth rather than a grand magical showdown.
Magic & World-Building
- Earlier Books: We learn magic step by step alongside Diana. Spells, time travel, alchemy, creature lore — it’s all about discovery.
- The Blackbird Oracle: Magic here is old magic — ancestral, ritualistic, and tied to family lineage. Ravenswood and the Proctor legacy expand the magical landscape in ways the earlier books only hinted at. Instead of learning how to cast spells, the focus is on why magic exists in Diana’s bloodline, and what happens when it’s passed on.

Pacing & Payoff
- A Discovery of Witches: Hook-driven and propulsive. You’re swept into forbidden romance and danger from the first chapters.
- Shadow of Night: Slow-burn, heavy on historical immersion, rewarding for detail-lovers.
- The Book of Life: Climactic and fast in its final act, with lots of resolution.
- Time’s Convert: Meandering, more episodic, less about payoff.
- The Blackbird Oracle: Falls somewhere between Shadow of Night and Time’s Convert in pacing. It’s thoughtful and layered, but not rushed toward resolution. In fact, it deliberately leaves threads dangling, setting the stage for what feels like a new cycle in Diana’s story.
Themes
- Earlier Trilogy Themes: Forbidden love, knowledge and secrecy, science vs magic, trust, and power struggles between species.
- The Blackbird Oracle Themes: Inheritance, motherhood, family secrets, responsibility, fear of repeating the past, and the haunting weight of legacy. It asks: What do we pass down to our children — and what do we choose to leave buried?
Bottom Line
The Blackbird Oracle is a beautifully different kind of story — quieter, more introspective, and deeply personal. Unlike the first three books, which swept us up in romance, danger, and discovery, this one slows the pace to let us truly see Diana. We watch her not just as a witch, but as a mother, a scholar, and a woman learning how to balance immense power with tenderness and responsibility.
It’s a reflective, mature continuation that shows how far Diana has come — and how much further she still has to go. Harkness delivers a thoughtful expansion of the All Souls world, and while it doesn’t chase the same kind of adrenaline as the early trilogy, it offers something richer: growth. It left me feeling both satisfied and curious about what the next chapter in Diana’s journey will bring.
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