An immortal headmistress has been murdered, and an ambitious alchemist’s chance at a new life is unraveling. That is the premise of Mothsblood, Lynn D. Jung’s debut novel, which combines an academic murder mystery with dangerous magic and a past its protagonist cannot easily escape.
For readers following this fall’s fantasy releases, the hook is a university where the pursuit of knowledge leads directly into questions about power. Here is what to know before publication.
When Is Mothsblood Released?
Mothsblood is scheduled for publication on October 13, 2026, by Bloomsbury. The publisher’s US hardcover listing gives a length of 352 pages. As of October 8, the novel is still available for preorder.
Jung identified the book as an adult fantasy debut in her original publication announcement. Readers looking for its age category should therefore approach it as adult fiction.
What Is Mothsblood About?
The story takes place in modern-day Paris and follows Larkspur Lee, an alchemist whose academic world is thrown into turmoil by the killing of Petronelle Flamel, her university’s supposedly immortal headmistress.
An investigator named Violaine suspects the Promethean Genesis, a cult Lark already has reason to fear. The investigation becomes more complicated when a mentor Lark tried to leave behind returns with his own plans. The publisher’s premise connects the murder to the university’s hidden history and Lark’s struggle over how much she is willing to sacrifice for power.
That creates two sources of suspense: discovering who killed Flamel and understanding whether Lark can escape the relationships that threaten her independence.
The Dark Academia Setting: Université Meurdrac
In its advance review of Mothsblood, Kirkus identifies the school as Université Meurdrac, a prestigious, secret institution devoted to alchemy. Lark is a first-year American scholarship student who lacks the family connections and social position that could make her place there more secure.
The review also describes an apprenticeship opportunity with Flamel as a route into a concealed society of alchemists and the possibility of immortality. Academic advancement therefore carries consequences beyond grades or professional recognition.
Based on that setup, the dark academia appeal lies in the unequal distribution of opportunity. If access to knowledge can also mean access to extraordinary power, deciding who belongs inside the institution becomes a particularly dangerous business.
Why the Paris Setting Matters
A contemporary Paris setting gives the novel a different starting point from a fantasy set in a separate invented kingdom. Jung’s announcement places the alchemist’s story within the modern city, bringing the university’s secrets into a recognizable world.
The interesting question is how those two worlds interact. An institution can promise escape and reinvention while reproducing the pressures a student hoped to leave behind. For a protagonist trying to move beyond her past, admission alone may not amount to freedom.
Who Might Want to Read It?
Jung’s publication announcement reports that Mothsblood was pitched for fans of The Starless Sea and Ninth House. Those comparisons indicate its intended audience; they do not establish that its plot or reading experience matches either novel.
For my reading list, the strongest draw is the combination of alchemy and academic ambition. I enjoy fantasy where the pursuit of magical knowledge creates difficult choices, and this premise makes advancement itself a potential source of danger. That is a reason to watch the release rather than a verdict on a book I have not reviewed.
Mothsblood arrives October 13, offering a new adult fantasy premise built around a Parisian university, an impossible murder and the price of pursuing power.
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