Building the Wastelands: Creating a Post-Apocalyptic World That Feels Real

The world of The Ashborn Chronicles needed to feel like it had existed for a thousand years.

Not a freshly ruined present, but a society that had grown from ruins into something stable—and then calcified. The Citadels couldn’t feel temporary. They needed to feel inevitable, like the only possible answer to whatever happened before.

And the Wastelands? They couldn’t be empty wilderness. They needed their own cultures, their own logic, their own reasons for existing.

Here’s how I built both.

Starting With the Question

Every post-apocalyptic world answers the same question: what happened, and what grew from it?

I started differently. I asked: what if the survivors weren’t lucky—they were chosen? What if the catastrophe wasn’t random, but designed to preserve certain people and eliminate others?

That changed everything about the Citadels. They’re not refugee camps that grew into cities. They’re monuments to whoever decided who deserved to survive.

The Five Houses—Solara, Vale, Merin, Varrick, Caelum—aren’t just powerful families. They’re the descendants of whoever controlled admission to the shelters. Their power isn’t earned; it’s inherited from decisions made a thousand years ago.

The Citadel Hierarchy

Once I had the Houses, I needed a society that felt complete. Not just rulers and ruled, but all the gradations between.

The hierarchy emerged from function:

• High Houses control major systems (energy, food, surveillance, military, governance)
• Lower Houses handle specialized trades and services
• Workers keep everything running
• Unclassified exist at the margins

Each level has its own relationship to space. High House heirs grow up in tower districts with actual sunlight. Workers live in the lower levels where artificial light never quite matches the sun. Unclassified exist in spaces that officially don’t exist.

The hierarchy is enforced not through constant violence but through belief. People accept it because it’s all they’ve ever known. The Citadel is safety; outside is death. That’s not a lie the Houses invented—it’s what everyone has believed for forty generations.

Making the Wastelands Real

The Wastelands were harder.

Every dystopia has a “wilderness” beyond the walls. Usually it’s empty or monstrous—a place of exile, not habitation. I wanted something more interesting.

The key insight: if people have been exiled to the Wastelands for a thousand years, cultures would have developed there. Survival wouldn’t be individual; it would be collective. And those cultures would have their own values, their own histories, their own reasons for staying outside.

The clans aren’t failed Citadel citizens. They’re alternatives to Citadel life—people who chose freedom over security, or whose ancestors did.

Each clan reflects different survival strategies:

• Some emphasize mobility, never staying in one place long enough to be found
• Some fortify positions and defend them
• Some trade between settlements, making themselves too useful to attack
• Some remember the old technologies and scavenge from ruins
• Some have made peace with the harsh environment in ways Citadel people would find horrifying

Kael’s journey into the Wastelands isn’t about surviving empty wilderness. It’s about encountering people who’ve built entirely different answers to the question of how to live.

The Technology Question

Post-apocalyptic fiction has a technology problem. Either civilization collapses completely (no power, no medicine, back to medieval conditions) or it collapses conveniently (somehow we lost the internet but kept the guns).

I wanted something more specific.

The Citadels preserved what they valued: defensive technology, surveillance systems, manufacturing for essentials, medical capability for the upper classes. They also preserved knowledge—just not all of it.

The Wastelands preserved what they could: older technologies the Citadels discarded, knowledge that escaped before the walls closed, innovations developed by generations of survivors.

The technological gap isn’t simple. The Citadels have some things the clans don’t. The clans have some things the Citadels forgot existed. Neither side fully understands what the other has—and that misunderstanding drives conflict.

The Mystery Underneath

Here’s what I can’t tell you: what actually happened a thousand years ago.

Not because I don’t know—I do. The history exists in my notes, worked out in detail. But the characters don’t know it, and discovering the truth is part of the series’ larger arc.

What I can say is that the world’s strangeness is intentional. Some things don’t quite add up. Some pieces of technology seem too advanced for a post-collapse society. Some clan stories contain details that contradict official Citadel history.

The world is hiding something. The characters will discover what it is when they’re ready—and so will readers.

Why Worldbuilding Matters

A lot of post-apocalyptic fiction treats the setting as backdrop. The ruins are aesthetic. The hierarchy is obstacle. The wilderness is danger.

I wanted the world itself to be a character. The Citadels shaped who Kael became before his exile. The Wastelands shape who he becomes after. The collision between these worlds creates the story’s meaning.

When worldbuilding works, every detail earns its place. The hierarchy explains relationships. The technology explains what’s possible. The history explains why things are the way they are—even if no one in the story fully understands that history yet.

Building the world of The Ashborn Chronicles took years of notes, revisions, and dead ends. But when readers say the world feels real, that work disappears. As it should.

The best worldbuilding is invisible. You don’t see the architecture—you just believe the building exists.

Start exploring the Wastelands in Banished →

Have questions about the world of The Ashborn Chronicles? I answer reader questions on Goodreads and through the newsletter.