As of late 2025, the author (who writes under the pen name K.T. Zephyr ) has hinted at a sequel Gaiden titled Spirit Witchs Gaiden: The Mirror Crack’d , which will follow a new Spirit Witch who enters the mirror dimension to learn magic from the imprisoned Morgan. Absolutely. But with a warning.
It redefines what a "side story" can be. It is not a footnote to the main legend. It is the shadow that makes the legend possible.
There are persistent rumors of an anime adaptation—but notably, producers are fighting over whether to adapt the main series or the Gaiden first. A leaked storyboard from Studio Bind (of Mushoku Tensei fame) suggests they want to intercut the two: air the main series with flashback episodes directly from the Gaiden, much like Fullmetal Alchemist: Brotherhood integrated Chapter 15 . spirit witchs gaiden
This is not a feel-good story. If you want a power fantasy or a simple tale of good triumphing over evil, stick to the main Spirit Witchs series. However, if you crave dark fantasy that respects its villain, that dives into the psychological ruin of trauma, and that offers no easy answers, then will haunt you for years.
So light a candle. Pour a glass of something strong. And listen closely—because on the wind, you can still hear Morgan’s silent chorus whispering the truth that the main series dared not speak: Every witch was once a girl who asked for help and was met with fire. As of late 2025, the author (who writes under the pen name K
In the sprawling universe of contemporary dark fantasy and anime-inspired web novels, few titles have generated as much cult intrigue as the main Spirit Witch series. However, for the dedicated fanbase, the true gem—the title that expands the lore, deepens the tragedy, and redefines the hero—is the elusive side story known as "Spirit Witchs Gaiden."
For the uninitiated, "Gaiden" (外伝) is a Japanese term meaning "side story" or "tale outside the main story." But to dismiss Spirit Witchs Gaiden as mere filler content would be a grave mistake. This article serves as the definitive guide to this dark, emotional spin-off, exploring its plot, characters, themes, and why it has become required reading for fans of the genre. First, let’s clarify the naming convention. The parent series, Spirit Witchs (often stylized with the possessive 's'), follows the journey of Elara Vance, a timid apothecary who discovers she can communicate with the lingering emotions of the dead. The main story is a slow-burn political thriller mixed with supernatural horror. But with a warning
shifts the focus entirely. Published as a series of interlocking vignettes and novellas, the Gaiden does not follow Elara. Instead, it focuses on the antagonist of the first arc: Morgan le Faye , the so-called "Banshee of Blackthorn Moor." Plot Overview: The Tragedy of Morgan le Faye The central hook of Spirit Witchs Gaiden is its radical shift in perspective. In the main storyline, Morgan is portrayed as a ruthless necromancer who enslaves ghosts to power a war machine. She is defeated in a spectacular, heartbreaking climax where Elara banishes her to a mirror dimension.