
Note: This article includes spoilers for the first book of the Fae & Alchemy series, Quicksilver.
Since its release in June 2024, Quicksilver by Callie Hart has captured significant attention, and anticipation for its upcoming sequel, Brimstone, is on the rise. Fans are buzzing with excitement following the announcement of a Netflix adaptation of Quicksilver, promising to bring its vibrant cast and intricate magic system to life on screen. With the dramatic conclusion of the first book still fresh in readers’ minds, Hart’s sequel has quickly become one of the most eagerly awaited fantasy titles set for 2025.
Brimstone’s Release Date: Confirmed for November 2025
Hart Announces Release Date on Instagram

Fortunately for fans, the sequel to Quicksilver is just around the corner, with Hart confirming November 18, 2025, as the official release date. Initially slated for October 2024, the launch was postponed, reflecting Hart’s commitment to crafting a compelling narrative rather than adhering to strict publishing timelines. With Quicksilver only recently released, the wait for the sequel feels manageable, allowing readers ample time to revisit the first installment and build their expectations for the next chapter.
In her announcement post, Hart revealed that the sequel will be titled Brimstone and shared a brief overview hinting at the exciting twists ahead as protagonist Saeris navigates her role as the Queen of the Blood Court. In a world that favors immediate satisfaction, the anticipation leading up to the sequel offers fans plenty of reasons to stay engaged and eager for more.
Here’s a brief synopsis from Callie Hart’s upcoming Brimstone (via Barnes and Noble):
“Saeris Fane doesn’t want power. The very last thing she needs is her name whispered on an entire court’s lips, but now that she’s been crowned queen of the Blood Court, she’s discovering that a queen’s life is not her own. A heavy weight rests upon her shoulders. Her ward—and her brother—need her back in her homeland…but the changes that have strengthened Saeris have also made her weak. Born under blazing suns, Saeris will surely die if she makes her way home through the Quicksilver. Which means that, once again, she must send someone else in her stead…
Kingfisher of the Ajun Gate has defeated armies and survived all manner of horrors, but traveling back to Zilvaren with Carrion Swift might just be the death of him. The male just will not shut up. Hidden dangers await them down the narrow alleyways of the Silver City. Unfolding secrets pose impossible threats. Fisher must wrangle the smuggler and accomplish his goals quickly if he wants to see his mate again.
A darkness falls across Yvelia. The realm and their friends are in danger. Together, Saeris and Fisher will pass through fire and brimstone to save them.”
The Significance of Brimstone: Insights on the Title
Could the Title Foreshadow Saeris’ Journey?

Despite keeping details about Brimstone largely under wraps, the title and selected details open the door for intriguing speculation.Authors often use titles and cover designs as subtle hints about forthcoming plots without disclosing everything. Similar to other well-known fantasy series, Hart’s title may indicate the struggles and challenges Saeris is expected to face.
In Quicksilver, the title references the enigmatic alchemical substance that Saeris can manipulate, shaping the fate of Yvelia. The narrative profoundly transforms her identity, particularly after her heroic choices to save Kingfisher. Thus, the title may allude to Saeris confronting the consequences of her pact with Zareth, especially considering the trailer hints that characters’ destinies will be “fired in brimstone.”
Fae & Alchemy Book 2: Plot Developments from Quicksilver
Anticipating Chaos in the Sequel

The conclusion of Quicksilver left readers with myriad questions about the fate of its beloved characters.Saeris’ transformation into a half-Fae, half-vampire hybrid is a pivotal development that promises to create ripples throughout the sequel. As she navigates the complexities of her new identity, it becomes evident this transition will significantly influence her character trajectory. Not only does she grapple with her lack of humanity, but her triumph over Malcolm escalates her into the role of Queen of Sansaroth.
These evolving dynamics alone set the stage for a tumultuous sequel, yet they are not the only factors at play. A critical moment towards the end reveals Saeris being drawn through the quicksilver portal to confront Zareth, the chaotic god. Their dialogue illuminates that her bond with Kingfisher is so intense that it could destabilize the universe itself. Hart teases this narrative thread throughout the series.
The synopsis suggests Saeris will wrestle not only with her newfound power but also her responsibilities as ruler, highlighting the crucial need for mastery over her abilities to protect her kingdom and loved ones. As she explores the possibilities of using quicksilver to return to Zilvaren, she will likely encounter both past adversaries like Madra and fresh challenges, further escalating the tension within the series.
Future Books in Callie Hart’s Fae & Alchemy Series
A Planned Trilogy with Potential for Spinoffs

According to the FAQ section on Callie Hart’s author website, the Quicksilver series is designed to be a trilogy. While Hart aims to conclude the main storyline in three installments, there remains the possibility of extending the narrative further, dependent on the story’s progression. Additionally, Hart has indicated she may consider developing spinoff novels centered around supporting characters from the series.
These additional narratives would likely inhabit the same universe as the original trilogy, offering readers new perspectives and story arcs. With an array of engaging characters at her disposal, Hart has the potential to craft standalone tales, particularly for intriguing characters like Carrion Swift, the lost Daianthus heir known for his comedic wit.
The Netflix Adaptation: Matching the Pace of the Quicksilver Series
Hart Could Stay Ahead of Netflix’s Adaptation

With the recent announcement of Netflix adapting Quicksilver, fans can expect the series’ debut to be a few years away. Fortunately, this timeline provides reassurance to readers, as the source material is still unfolding.Given Hart’s publication schedule, Netflix has the opportunity to pace the adaptation thoughtfully, ensuring they do not surpass the unfolding narrative of the books. This trend has become a concern among fantasy adaptations recently, where studios have outpaced their source material, leading to deviations from the original storyline.
However, the syncing of Hart’s release of Brimstone just over a year following Quicksilver indicates that Netflix should successfully align its adaptation with the novels. Should Hart continue to publish yearly, readers can anticipate the trilogy’s resolution by late 2026, making it feasible for Netflix to maintain fidelity to the storyline, thereby enhancing the overall viewing experience for fans.
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