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NovelBrief · Reviews
Our Reverend Insanity review covers Fang Yuan, the ruthless antihero who reshaped xianxia, plus its 2,333-chapter run and rocky English translation history.

Reviewing
Gu Zhen Ren (蛊真人) · Qidian (original); Webnovel (English, chapters 1-1,000 only)
Score
A defining antihero xianxia that rewards patience with real long-term payoff, best suited to readers comfortable with a protagonist who never asks to be liked.
TL;DR: This Reverend Insanity review covers Fang Yuan, a fully-committed antihero who reverses time and spends his second life manipulating everyone around him, across a completed 2,333-chapter run with a rules-driven Gu cultivation system.
Reverend Insanity, written under the pen name Gu Zhen Ren (蛊真人), is one of xianxia's defining antihero stories. It follows Fang Yuan, who uses the Spring Autumn Cicada Gu to reverse time 500 years back into his fifteen-year-old body, keeping every memory of his first life. Most cultivation novels would use that setup for a redemption arc. This one doesn't. Fang Yuan spends his second life doing exactly what got him killed the first time, only better, using his foreknowledge to manipulate, betray, and eliminate anyone standing between him and eternal life.
That premise is also why the novel got banned in mainland China in April 2019, for "promoting unhealthy values of violence, cruelty, and extreme individualism." It's a rare case of a xianxia novel's central conceit being controversial enough to draw regulatory attention rather than just genre criticism.
Cover: Reverend Insanity, official Webnovel.com edition
Reverend Insanity's power system runs on "Gu" (蛊): cultivated insect-like life forms bred and refined for specific effects, from combat to divination to pure information storage. It's a denser, more rules-driven magic system than most xianxia offers, closer to a resource-management puzzle than a straightforward genre power ladder, and the novel expects readers to track how Gu interact rather than just how strong a character has become.
That density is deliberate, not decorative. A cultivator's talent is graded A through D based on how much primeval essence their aperture can hold, and cultivation itself runs through nine ranks split into Gu Master (ranks one through five) and Gu Immortal (ranks six through nine), each further broken into initial, middle, upper, and peak stages. Fang Yuan's plans routinely hinge on exploiting exactly where an opponent sits inside that grid, so a reader who tracks the system gets a genuinely different reading experience than one skimming for the next fight scene.
The story's real engine is Fang Yuan's foreknowledge. Because he's lived this timeline once already, entire plot threads are set up hundreds of chapters before they resolve, and the payoff depends on the reader remembering a detail dropped a long time earlier. That long-game structure is the novel's strongest asset and its steepest barrier to entry: at 2,333 chapters, it demands a genuine time commitment even by the standards of a genre known for running long.
The manhua adaptation (2018-2020, 96 chapters) never got far enough to cover this structure properly before funding issues tied to the ban shut it down. A fan-supported remake by Kodoku Studio began in July 2025 and is still ongoing, but readers looking for the actual story should go to the source text rather than wait on an adaptation.
This isn't a novel for readers who need a protagonist to grow a conscience by the end. Fang Yuan doesn't reform, and the book never pretends he will. If that's a dealbreaker, the standard genre alternatives on this site (start with A Will Eternal) are a gentler entry point.
Where this Reverend Insanity review lands most strongly recommending the book: readers who enjoy tracking a dense internal ruleset, who don't mind a slow-burn payoff structure across hundreds of chapters, and who find a genuinely amoral lead more interesting than exhausting. Readers coming from Warlock of the Magus World's rules-heavy crafting system will likely recognize the same appetite for mechanical density here, just filtered through a much darker lens.
The Reverend Insanity chapters that get cited most often in fan discussion aren't the big fights, they're the moments a plan Fang Yuan set up hundreds of chapters earlier finally clicks into place. That's a specific kind of payoff: readers used to episodic power-ups may find the early stretch slow, but the fan translation community's continued interest in finishing all 2,333 chapters years after the official Webnovel release stalled is itself a signal of how well that long-game structure holds up once a reader commits to it.
Reverend Insanity isn't a comfort read, and it isn't trying to be. It's a commitment to a protagonist who never earns forgiveness and a magic system dense enough to reward close reading, which is exactly why it's held up as a genre benchmark almost a decade after it finished. If an antihero lead and a puzzle-box power system sound appealing, this is one of the strongest examples in xianxia. If you need to root for your protagonist, start somewhere else.
Rating: 8.7/10
Q: Is Reverend Insanity finished? A: Yes. It serialized on Qidian from June 22, 2012 to May 2019, running 2,333 chapters plus an epilogue.
Q: Where can I read Reverend Insanity in English? A: Webnovel published an official English translation starting in 2019, but it was discontinued around chapter 1,000 in 2021. Fan translations covering all 2,333 chapters are available elsewhere online.
Q: Is Fang Yuan a good person? A: No, deliberately so. Fang Yuan pursues immortality without moral limits, including betrayal and mass violence when it serves his goals. The novel is built around his amorality, not around softening it.
Q: Why was Reverend Insanity banned in China? A: Chinese regulators banned it in April 2019, citing promotion of violence, cruelty, and extreme individualism.
Q: Is there a Reverend Insanity anime or manhua? A: A manhua adaptation ran from 2018 to 2020 for 96 chapters before funding issues tied to the ban ended it. An unofficial fan-supported remake by Kodoku Studio began in July 2025 and is ongoing.
[1] Wikipedia: Reverend Insanity [2] Webnovel: Reverend Insanity
About the author

Senior Reviewer & Reading Guide Editor
Web novel reviewer and critic with a decade covering translated Chinese fiction, from fan-translation forums to official Webnovel.com releases. London-based.
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