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The Malevolent Seven Books in Order

Part ofSebastien de Castell Books in Order

See The Malevolent Seven books by Sebastien de Castell in order, with quick summaries, series background, and help deciding where to begin.

Last updated: June 9, 2026

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Publication Order

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2 books

1

The Malevolent Seven

by Sebastien de Castell

2023

Cade Ombra, a former justiciar turned mercenary wonderist, joins a suicide mission against seven of the deadliest mages alive. To stop the end of the world, he and his awful new allies may have to become the worst people in the room.

2

The Malevolent Eight

by Sebastien de Castell

2025

The bad people are back, and this time the mortal world sits between celestial and infernal armies. Cade and his unstable band of mages try to stop an apocalyptic war using dark magic, sharp jokes, and an alarming comfort with violence.

Series background & context

The Malevolent Seven books take de Castell’s taste for fast dialogue and messy loyalty and push it into darker territory. These are not noble champions trying to keep their hands clean. The lead, Cade Ombra, is a former Glorian Justiciar who now works as a mercenary wonderist, which tells you most of what you need to know. He has already learned that the people who call themselves righteous are not always better than the monsters they condemn. When a homicidal thunder mage invites him on a suicide mission against seven of the deadliest mages on the continent, saying yes is not exactly the good choice. It is just the least bad option left.

That is the core pleasure of the series. Cade keeps finding himself surrounded by dangerous people who are selfish, violent, unstable, and, annoyingly, often very funny. The team has the shape of a classic fantasy fellowship, but morally it is built from cracked glass. Nobody here is pretending to be pure. The question is whether a pack of terrible people can still do something necessary before the world tips over into disaster.

Everyone is dangerous here, including the people you are meant to root for.

The magic has a rough, battlefield feel to it. These are war mages and wonderists, the kind of people hired to make an impression and leave ruins behind. That makes the action hit differently from the fencing and law of Greatcoats or the trickster games of Spellslinger. The fights are louder, uglier, and more openly destructive. The humor is blacker too. Cade narrates with a tired, sardonic voice that knows heroism is often a story people tell after the bodies are buried.

The first book, The Malevolent Seven, is structured around recruitment and impossible odds. Cade is on the run, his one real friend is not exactly safe company, and saving the world means gathering mages who are each dangerous enough to be disasters in their own right. The result feels a bit like a dark fantasy caper, except the job is world-sized and everybody involved might stab the plan in the back if it suits them.

The Malevolent Eight raises the stakes from very bad to almost absurdly bad. Suddenly the mortal realm is in danger of becoming the battlefield for celestial and infernal powers, and Cade is still the poor fool trying to hold together a group of emotionally unstable killers long enough to stop it. The scale gets bigger, but the appeal stays the same. You come for the chaos, the bad decisions, and the sharp one-liners, then stay because these awful people start building the closest thing they have to loyalty.

If you like antihero teams, apocalyptic stakes, and fantasy that laughs at hero worship while still delivering a real adventure, this series is easy to recommend. It is violent, scruffy, and gleefully unholy, but it never forgets that even the worst people can end up carrying the fate of everyone else.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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2 The Malevolent Seven Books in Order (Complete List 2026)