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Fantasy 9 min read · August 08, 2026

Children of Blood and Bone: African Fantasy Fiction and Yoruba Belief

Children of Blood and Bone is not a book about Yoruba religion. That is a strange thing to say about the best-known work of African fantasy fiction of the last decade — a novel whose magic clans are…

Interior of a candlelit Candomblé terreiro in Salvador, Bahia at night, wide-angle 24mm photograph…

Children of Blood and Bone is not a book about Yoruba religion.

That is a strange thing to say about the best-known work of African fantasy fiction of the last decade — a novel whose magic clans are named for Yoruba divinities, whose incantations are spoken in the Yoruba language, and whose kingdom is called Orïsha. But the sentence holds, and the rest of this piece exists to earn it. If you arrived from the trailer knowing nothing about the Yoruba of southwestern Nigeria, you have lost nothing and you are not behind. The book was not built to examine you at the door.

What follows is a comparison: Tomi Adeyemi's invented kingdom on one side, the living tradition it draws on for its bones on the other. The honest verdict on that pairing is the one this site reaches most often — related, and distinct. Knowing where the seam runs makes both halves better.

The story the trailer is compressing

Eleven years before the novel opens, a king named Saran orders the killing of every adult in his kingdom who can work magic. The maji — the ones with power — are dragged out in a single night the book calls the Raid. Magic itself goes quiet the same night, as if something upstream had been shut off.

Zélie Adebola is a girl from the fishing village of Ilorin who watched her mother taken with a chain around her neck. She and the other children of the dead maji are called divîners. They are marked by white hair, they carry a slur — the guards call them maggots — and they are taxed at a rate designed to break their families. This is the part the trailer can show in three seconds and cannot explain in three seconds: the white hair is not a costume choice. It is the mark that makes a child findable.

The plot starts on the other side of the palace wall. Amari, King Saran's daughter, watches her father kill Binta, a divîner girl who has served beside her since childhood, after a scroll wakes something in Binta's hands. Amari takes the scroll and runs. She collides with Zélie in a market, and from there the book becomes a road story: Zélie, her older brother Tzain, and a runaway princess moving across a kingdom with three objects — a scroll, a sunstone, a bone dagger — trying to reach a temple island before a solstice that comes once a century, after which magic will be gone for good.

Behind them rides Amari's brother Inan, the crown prince, who is hunting the scroll and discovers, humiliatingly, that magic has woken in him too. He spends the novel trying to decide whether he is his father's son. That is the engine of the book: not who wins the fight, but who each of these four decides to become while the fight is happening.

How the gods reached the book — by way of Bahia

Adeyemi is Nigerian American, raised in the United States, and she has said that she did not meet the òrìṣà in Nigeria. She met them in Salvador, in the Brazilian state of Bahia, where Yoruba religion — carried across the Atlantic in the holds of slave ships and rebuilt on the other side — is practised today as Candomblé.

That route is worth sitting with, because it is the opposite of the usual story. She did not go to a museum case or a colonial-era ethnography. She walked into a faith that people were practising that afternoon, in a city where it never stopped, and followed it backwards across the ocean to Yorubaland. Candomblé in Brazil, Lucumí in Cuba, Orisha worship in Trinidad — these are not degraded copies of a Nigerian original. They are the tradition continuing under conditions that were designed to end it.

So the deities in the novel arrive already having travelled once. Adeyemi then moves them a third time, into a fantasy kingdom of her own making. Each move changes them. Tracking those changes is the whole comparison.

Side by side

Close-up still-life photograph of a weathered hardcover novel lying open on a dark wooden…
In the novel In Yoruba tradition
The word itself Orïsha is the name of the country — a kingdom on a map Òrìṣà are the divinities themselves, hundreds of them; the word never named a nation
How you get power Inherited by blood, visible as white hair, sorted into ten clans Established through divination and initiation; an òrìṣà is said to own a devotee's head, and lineage is one thread among several
Ọya Patron of the Reapers, Zélie's clan — magic of death and spirits Deity of wind, storm and the River Niger; associated with the marketplace and the gate of the cemetery, with transformation rather than killing
Yemọja Patron of the Tiders, who move water Originally tied to the Ògùn River in Yorubaland; became an ocean deity in Brazil and Cuba, where the sea was what the tradition had to cross
Ṣàngó Patron of the Burners, who handle fire Thunder and lightning, the double-headed axe, and a remembered kingship at Ọyọ; fire is not quite the point
The top of the cosmos The Sky Mother, who bore ten deities Olódùmarè, the supreme being — remote, not petitioned directly, approached through the òrìṣà
The language Yoruba is the language spells are cast in Yoruba is the language of prayer, of oríkì praise poetry, and of the Ifá verses a diviner recites — speech that addresses, rather than commands

Read down the right-hand column and you can see what the novel needed and what it left. A fantasy plot needs rules: ten clans, one power each, a visible marker, a switch that can be turned off. Yoruba tradition offers none of that, because it was never a system for generating narrative tension. It is a way of accounting for character, destiny, misfortune, and repair.

The Yemọja row is the one to notice. In Yorubaland she is a river; in Bahia and Havana she is the sea. Nobody made an error. A tradition that crossed an ocean took the deity of water with it and found that the water in front of it was salt. Adeyemi's Tiders are a fourth stop on that same line. The tradition has been adapting for centuries; the novel is not the first thing to move it.

What the book is actually about

Now the claim from the top.

Adeyemi closes the novel with an author's note that does not mention Yoruba cosmology. It talks about Black people killed by police in the United States, and about writing a book in which children marked out for death by the state fight back and are not required to be perfect while they do it. The Raid is not a myth she found. It is a mass killing carried out by a government, followed by a generation raised under surveillance, an internal passport of white hair, a tax structured as punishment, and a word — maggots — that officials use in public without consequence.

That is the subject. The Yoruba material is the architecture: it gives the world its names, its language, its geography, its texture of the sacred. It is load-bearing and it is not decorative — strip it out and the book collapses. But the question the novel is asking is not what do the Yoruba believe. It is what does a state do to the people it has decided are dangerous, and what does surviving that do to a sixteen-year-old.

This is why the book works as fantasy rather than as instruction. Adeyemi is not adapting a religion; she is writing a political novel in a world whose furniture is Yoruba. Readers who come to it expecting a primer will find it unreliable. Readers who come to it as a novel will find that the Yoruba layer is doing exactly what a good foundation does, which is hold weight without being looked at.

And it is worth saying plainly what the book accomplished, since the trailer will make it look like a film that happened to have a book first. Children of Blood and Bone was published in March 2018, went straight onto the New York Times bestseller list at number one, stayed on it for well over a year, and had its film rights bought before it was in stores. Two sequels followed. A generation of readers met a West African pantheon on the same shelf where they had previously only met Norse and Greek ones.

Where the connection ends

These are the differences a careful reader should not blur.

Magic is not inherited in Yoruba practice. In the novel, power runs in blood and shows in hair. In tradition, a person's relationship with a particular òrìṣà is discerned — through divination, and confirmed through initiation by people qualified to do it. Ancestry matters, but nobody is born visibly sorted.

Òrìṣà are not power sources. A magic system needs each deity to grant a discrete ability. In Yoruba thought, an òrìṣà is a presence with a character, a history, prohibitions, foods, praise poetry, and obligations that run both ways. Devotion is a relationship with duties in it, not an unlocked skill.

A teenage girl with close-cropped stark white hair standing alone at the edge of…

Ten is not the number. Yoruba tradition speaks of hundreds of òrìṣà — the conventional phrase counts four hundred and one, which is a way of saying more than you will finish counting. The novel's ten clans are a design decision, and a sensible one.

There is no spellbook. Ifá, the Yoruba divination system, is organised around 256 odù, each with a body of verses that a babaláwo — a diviner, trained for years — holds in memory and recites in response to what the divination shows. It is closer to a legal and literary corpus than to a book of spells. This site describes what that practice means and who performs it; it does not print procedures, and neither should anything else that respects the people who do.

The old slanders are still wrong. Missionary-era writing filed all of this under idol worship, and the word juju still gets used as a shudder. Both descriptions failed at the level of simple accuracy. Yoruba religion has a supreme being, a theory of destiny chosen before birth, an ethics of character — ìwà — and one of the most elaborate divination corpora anyone has ever built. Adeyemi's readers, arriving through a fantasy novel, tend to figure this out faster than the nineteenth century did.

Where scholars and practitioners disagree

On Ṣàngó, the disagreement is old and unresolved. Some historians read him as a remembered Alaafin of Ọyọ, a king whose reign ended badly and who was elevated after death — deification of a real man. Others hold that an older thunder deity was already there and that a king's biography was attached to him later. Both positions have serious support; the sources are oral and the chronology is contested.

On the diaspora, opinion splits over whether Candomblé, Lucumí and their relatives are best described as continuations of Yoruba religion or as distinct religions born in the Americas. The continuity position points to preserved liturgical Yoruba, drum repertoires and divination structures. The distinct-religion position points to Fon, Kongo, Indigenous and Catholic elements that are not incidental additions but structural. Most careful writers now hold some version of both at once.

On the novel itself, practitioners are not of one mind, and it would be dishonest to pretend they are. Some welcome a book that put òrìṣà names in front of millions of young readers who had never heard them. Others object that turning divinities into the source code of a magic system trains readers to think of them as powers to be used. Nobody speaks for the whole tradition, and the tradition has never had a single voice to speak with.

Names and terms

  • Òrìṣà (oh-REE-shah) — the divinities of Yoruba religion; intermediaries between people and Olódùmarè.
  • Olódùmarè (oh-LOH-doo-mah-reh) — the supreme being, understood as distant and approached through the òrìṣà.
  • Ifá (ee-FAH) — the Yoruba divination system and the body of verse that goes with it.
  • Babaláwo (bah-bah-LAH-woh) — literally father of secrets; a trained Ifá diviner.
  • Àṣẹ (AH-sheh) — the force that makes things come to pass; also the word that closes a prayer.
  • Candomblé (kan-dom-BLEH) — the Yoruba-descended religion practised in Brazil, centred in Bahia.
  • Divîner — Adeyemi's coinage in the novel for a child of a killed maji; not a term from Yoruba practice.

What this piece did not answer

It did not tell you anything reliable about the film — who is in it, who made it, how much of the book survives the cut. That is a production story and it changes weekly; watch the studio, not this page.

It did not follow the trilogy through Children of Virtue and Vengeance and Children of Anguish and Anarchy, where the political argument gets harder and the easy sympathies stop working. It did not touch the Yoruba layer of the sequels at all.

And it did not tell you what Ifá actually says. That would take a different kind of piece and better teachers than a comparison can supply. If you want to go there, the scholarship of Wándé Abímbọ́lá on the Ifá corpus and Bọlájí Ìdòwú on Olódùmarè are the standard doors in, and the Osun-Osogbo Sacred Grove in Osun State, Nigeria, is where you would go to see the tradition standing up in daylight rather than described.

The Yoruba have a proverb for what the novel and the tradition are to each other: ọwọ́ ọmọdé kò tó pẹpẹ, ti àgbàlagbà kò wọ akèrègbè — a child's hand cannot reach the shelf, and an elder's hand will not fit inside the gourd. Neither one is the whole reach.