World-building is often the silent backbone of any great narrative. In anime, where the visual medium can bring impossible landscapes to life, a well-constructed universe does more than set a stage—it becomes a character in its own right. Two series that stand as masterclasses in this craft, yet approach it from radically different angles, are Made in Abyss and The Promised Neverland. One plunges viewers into a fathomless pit teeming with wonder and horror, while the other traps its cast in a pastoral prison where the truth slowly curdles. By examining their strengths and weaknesses, we can uncover what makes world-building not just a backdrop, but a driving force of emotional storytelling.

The Craft of World-Building in Anime

World-building is the process of designing a fictional setting with enough internal consistency that audiences accept its rules without hesitation. In anime, this involves far more than drawing maps; it encompasses the laws of nature, the hierarchies of power, the unspoken histories, and the everyday textures that make a place feel lived-in. Effective world-building can turn a simple plot into a cultural touchstone because it invites viewers to inhabit a realm that feels both alien and coherent. When done poorly, it becomes a collection of arbitrary facts that alienate and confuse. The medium’s strength lies in its ability to show, not just tell: a single panning shot of a sprawling city or a close-up of a child’s trembling hand can communicate volumes about the world’s rules and the stakes at play.

For anime creators, the challenge is to balance exposition with discovery. Audiences must be guided into the unknown without being lectured. Tools such as environmental storytelling, character reactions, and incremental revelation are often more powerful than pages of lore dumped in dialogue. Both Made in Abyss and The Promised Neverland employ these tools with deliberate care, yet they prioritize different elements of world-building to achieve distinct emotional effects.

Made in Abyss: Plunging into the Unknown

Made in Abyss centers on a colossal chasm known simply as the Abyss, a vertical world spanning multiple layers, each with its own ecology, relics, and dangers. The story follows Riko, a young orphan, and Reg, an amnesiac robot boy, as they descend into this pit in search of Riko’s mother. The series is lauded for its lush visuals and unflinching brutality, both of which are integral to its world-building philosophy: the deeper you go, the more beautiful and the more deadly the world becomes.

A World Literally Built in Layers

The Abyss’s structure is a masterstroke of design. Each layer—from the sunlit Edge of the Abyss to the crystalline Fourth Layer and the bone-strewn Sixth Layer—functions as a self-contained biome with distinct flora, fauna, and atmospheric conditions. This verticality creates a natural progression that mirrors a video game’s difficulty curve: as explorers descend, the environment itself becomes an antagonist. The infamous Curse of the Abyss, which afflicts those who ascend from certain depths, adds a brutal mechanical rule: mild nausea near the top, bleeding from every orifice, loss of humanity, and eventual death the deeper one goes. This curse is not mere flavor; it dictates the rhythm of every journey and forces characters to accept that going down means sacrificing the possibility of returning unchanged.

By tying geographical depth to escalating physical and psychological cost, the series crafts a world where exploration is both a sacred calling and a suicidal obsession. The world is not just a setting—it’s a puzzle box that actively punishes those who seek its truths.

Lore as a Narrative Engine

The Abyss is littered with Artifacts of immense power and mystery: the Star Compass, the Unheard Bell, and Reg’s own Incinerator cannon. These relics are not handed to the audience in an encyclopedia; they are discovered through the characters’ perilous encounters. The series’ lore about the Abyss’s origin, the praying skeletons, and the village of the Hollows in the sixth layer is teased out slowly, often through cryptic messages and environmental storytelling. This method rewards attentive viewers while maintaining an aura of the unknown. The world feels ancient and indifferent, a quality that deepens the existential dread.

External sources like the Made in Abyss Wiki reveal just how much detail creator Akihito Tsukushi has poured into the mechanics of the Abyss, but the anime itself never feels obligated to explain everything. That restraint is a strength: it treats the audience as explorers, not tourists.

The Emotional Weight of the Abyss

World-building in Made in Abyss is inseparable from its emotional core. The danger is never abstract; the series shows children suffering irreparable physical and mental damage as a direct result of the Abyss’s rules. Riko’s poisoning by the Orb Piercer, Nanachi’s transformation in the fifth layer, and the fate of the Umbra Hands are not mere shock value—they are logical consequences of a world that does not care about human fragility. This creates a profound sense of stakes. The audience’s investment in the characters is amplified by the knowledge that the environment will not grant plot armor.

By making the world itself the primary source of conflict, Made in Abyss turns the act of descending into a pilgrimage of suffering and revelation. The viewer feels every step because the world’s rules are so vividly oppressive.

Potential Pitfalls: Complexity and Pacing

However, the very density that makes the Abyss fascinating can also be overwhelming. The intricate naming of layers, creatures, and relics, while immersive, can blur together for casual viewers. The series’ measured pace, particularly in the first season, relies heavily on atmosphere over plot progression, which may test the patience of those accustomed to faster narratives. Moreover, the slow drip of information, while effective in the long run, occasionally leaves viewers confused about the mechanics of the Curse or the significance of certain artifacts until much later. For some, this delayed gratification feels more like narrative stinginess.

The Promised Neverland: The Horror of the Familiar

If Made in Abyss builds its world by expanding outward and downward, The Promised Neverland begins by contracting inward. The series opens in Grace Field House, a cheerful orphanage where children live under the care of “Mama.” The idyllic façade shatters when the oldest children, Emma, Norman, and Ray, discover the truth: the orphanage is a farm, and the children are being raised as premium meat for demonic buyers. World-building here is an exercise in peeling back layers of deception, relying on claustrophobia and psychological tension.

The Orphanage as a Panopticon

The initial setting is a masterclass in bounded world-building. Every detail of Grace Field—the high walls, the tracking numbers, the daily tests—reinforces the sense of a monitored prison disguised as a home. The world’s rules are revealed through the children’s intelligence: they decode the Morse messages in the lullabies, map the surveillance blind spots, and manipulate the system from within. This transforms world-building into a puzzle. The viewer discovers the mechanics of the farm alongside the protagonists, turning exposition into a series of thrilling reveals.

The limited geography forces the narrative to go deep rather than wide. The horror comes not from alien landscapes but from the corruption of everyday comforts. A mother’s love is a transaction, a bedtime story is a countdown, and a wall is a menu. This thematic density makes the farm a microcosm of the larger world, a technique that keeps the initial arc tightly focused and emotionally devastating.

Expanding the World: From Farm to the Demon Society

As the series progresses beyond the escape, the world-building opens up to a demon-ruled society with its own political schisms, religious beliefs, and biological necessities. The revelation that humans and demons once had a pact—and that the meat trade is part of a fragile peace—adds ethical complexity. The world is no longer a simple predator-prey dynamic; it becomes a web of collusion, resistance, and survival. This expansion allows the series to ask larger questions about cycles of oppression and the cost of freedom.

The shift from a single location to a sprawling world is ambitious, but it also introduces challenges. The tight, character-driven plotting of the early episodes gives way to a more fractured narrative that must quickly establish new factions, locations like the Seven Walls, and the demon royal court. This ambition is admirable, though the execution in the second season, in particular, has been met with mixed reception from fans and critics alike.

Characters as World-Builders

One of the series’ greatest strengths is how it ties world-building to character agency. The children are not passive vessels for information; they actively piece together the truth using their intellect. Norman’s strategic mind, Ray’s patient observation, and Emma’s unwavering moral compass each interact with the world in different ways, revealing layers of the setting through action rather than monologue. The world is not something that happens to them—they decode and, eventually, attempt to dismantle it.

This approach makes the world feel responsive and dynamic. When the children exploit loopholes in the tracking system or weaponize the demons’ religious prophecies, the world-building becomes a tool for empowerment. The viewer internalizes the rules because characters use them to gain leverage.

Weaknesses: Scope Restriction and Information Dumps

The very ingenuity of the first arc can become a constraint later. Because the story stakes its entire identity on the orphanage’s claustrophobia, venturing beyond those walls risks diluting the tension. The broader world, while intriguing, is introduced in a more hurried manner, and some vital information about the demons’ origins and the promise is delivered through extended dialogue exchanges that feel less organic than the discovery-based storytelling of the beginning. This shift toward exposition-heavy sequences can undercut the immersive quality that made the series so gripping initially.

Additionally, because the world beyond the farm is so vast, the anime (and the manga) struggles to maintain the same relentless pace and unity of place. The stakes become geopolitical rather than personal, and some viewers feel the loss of the intimate dread that defined the opening chapters.

Side-by-Side: Contrasting Methods, Shared Brilliance

Though Made in Abyss and The Promised Neverland build their worlds through opposite philosophies—one by infinite expansion, the other by constrained revelation—they share a fundamental understanding: world-building must serve the story’s emotional truth.

Immersion vs. Intrigue

Made in Abyss prioritizes immersion. The viewer is invited to get lost in the sensory richness of each layer, to feel the claustrophobia of a cave, the vastness of an inverted forest, and the wrongness of a sea of corpses. The world is a place to be experienced, even when it is painful. The Promised Neverland prioritizes intrigue. The world is a puzzle to be solved, and the joy comes from watching the characters dismantle the lies. The orphanage doesn’t need to be physically vast; it needs to be deep with secrets. Both approaches generate powerful emotional investment, but they demand different kinds of attention from the audience. One asks you to feel the world; the other asks you to understand it.

Organic Discovery vs. Strategic Revelation

In Made in Abyss, discovery is a physical act. The characters descend, and the world unfolds around them in a natural, almost geological rhythm. Lore is scattered like fossils, waiting to be unearthed. In The Promised Neverland, discovery is a mental act. The characters observe, deduce, and experiment until the world’s hidden systems are exposed. The pacing of revelation is driven by the characters’ cleverness, not by geography. Both methods are valid, but they create different relationships with the audience: one feels like a journey, the other like an escape room.

Thematic Resonance and Audience Impact

Despite their different textures, both worlds are marinated in loss. Made in Abyss explores the cost of curiosity—how the pursuit of the unknown can lead to irreversible change. The Promised Neverland examines the cost of innocence—how systems of consumption prey on the vulnerable. In both cases, the world is not just a container for the plot; it is the literal embodiment of the themes. This thematic integration is what elevates their world-building from clever design to profound artistry.

Lessons for Storytellers

Analyzing these two series offers practical insights for anyone crafting speculative fiction. First, rules are more engaging than spectacles. The Curse of the Abyss and the demon-farm contract are narrative engines that never stop generating tension once established. Second, information delivered through struggle—whether climbing back from a layer or cracking a tracking code—resonates far more than passive exposition. Third, a world feels largest when it hints at more than it shows. The enigmatic relics in the Abyss and the whispered tales of “the One” in the demon religion keep the imagination working long after the credits roll.

Creators should also consider how their world’s design reflects their central themes. A vertical hellscape that punishes ascent perfectly encapsulates the idea that some knowledge cannot be unlearned. A cozy orphanage that is actually a slaughterhouse drives home the horror of institutionalized evil. When geography and theme align, the world becomes unforgettable.

For further reading on how anime studios approach environmental storytelling, resources like CBR’s exploration of anime world-building provide an excellent starting point to see these techniques across the medium.

Conclusion: The Lasting Power of a Well-Built World

Made in Abyss and The Promised Neverland demonstrate that world-building is not a checklist of details but an act of narrative respiration. One breathes in the vast, alien unknown; the other breathes out the stifling horror of the known turned monstrous. Their strengths—the Abyss’s intricate ecology and emotional brutality, Neverland’s claustrophobic mystery and charather-driven revelations—offer complementary blueprints for engagement. Their weaknesses—occasional overcomplexity and exposition-heavy pivots—serve as cautionary reminders that every world must balance mystery with clarity.

In the end, the worlds we remember are the ones that hurt us, that challenge us to be brave, and that reflect our own deepest fears and hopes. Whether climbing down into the abyss or breaking through a stone wall, the journey is only as powerful as the world that shapes it. That is the true strength of world-building: it makes the impossible feel inevitable, and the fictional feel true.