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The Cascade Wyrm — Last Creature Bureau

The Cascade Wyrm

Book 1 of the Last Creature Bureau trilogy

There is a part of you that still believes.

Not in fairy tales. In the feeling you get when the woods go quiet for no reason, when the dog won't go near the basement, when the streetlight flickers and something older than the city looks back. You were told to outgrow that feeling. You didn't. You just stopped talking about it.

That part of you is exactly who THE LAST CREATURE BUREAU: THE CASCADE WYRM was written for.

Meet Agent 47. Her name is Callie Venn. She is the last field agent of the Department of Cryptozoological Affairs in Cascade City — the forty-seventh assigned, the only one still standing. Agents one through forty-six quit, retired, or were killed by their last assignment. Callie stayed because someone has to. For nineteen years she has been the only human being on Earth whose job is to protect the last magical creatures alive — not to hunt them, not to study them from a safe distance, but to stand between them and the world that forgot them.

You already understand her. You've been the one who stays. The one who notices what everyone else walks past. The one who feels responsible for things no one asked you to protect.

She drives a 1998 Ford Econoline held together by repairs and stubbornness. The back is a mobile lab that smells of wet dog, antiseptic, and old coffee. Her field kit is simple: non-lethal tranquilizer darts, a silver-threaded net, a battered physical journal the Bureau still trusts more than any computer, and a single emergency flare — not to fight with, but to signal that a living thing is worth saving. Her badge is brass, worn smooth by two decades of thumbing it. On it, a dragon curls around a tree, protecting it. The Bureau's motto: We keep the wild.

Now meet the creature she was assigned to protect.

It lives under your city. The Cascade Wyrm is a Sigma-class dragon — the rarest classification the Bureau gives, reserved for the creatures that didn't just survive us but adapted to us. It nests in the sewer systems. It breathes the steam of the industrial district. When it surfaces at night, its iridescent dark green-black scales catch the amber streetlight and throw off a gold signature no camera is supposed to record. It is not a monster. It is a wild animal that found a way to live alongside eight million people who will never know it exists.

That is exactly the kind of thing someone wants dead.

A corporate developer has decided the wyrm is a "pest" that needs exterminating. He does not believe in magic — which makes him more dangerous, not less. And he is not alone in wanting the last Sigma. Elian Voss, the billionaire CEO of ARKIVE GENETICS, collects extinction the way other men collect art. He has frozen the DNA of 471 of the 472 known magical species in private vaults. He calls it preservation. The creatures in his archive are dead tissue in glass, not living beings — but to a man who has never been outside long enough to weather, a specimen is the same as a soul. He needs one more to complete the set. The Cascade Wyrm is the last Sigma on Earth. He wants it alive. He will kill anyone who gets in his way.

Here is the thing your subconscious already knows: this is a story about protecting something defenseless from people who have decided it shouldn't exist. That instinct is not a marketing trick. It is the oldest thing in you. The part that steps between a child and traffic. The part that loses sleep over a hurting animal. The part that reads a headline about the last of a species and feels a specific, physical grief.

Callie Venn feels that grief every single day, and she shows up anyway.

THE CASCADE WYRM drops you into the converted Victorian fire station that houses the Cascade City office — brick on the outside, modern security inside, archives climbing three floors, a containment wing in the basement. You'll meet Dr. Nasir Reid, the archivist in the patched cardigan who has read every file since 1989 and is the only person in HQ who still talks to her. You'll descend into the sewer tunnels where the space between the human world and the wild world gets thin. You'll watch Callie speak to a creature in low, hoarse, soothing tones — because she sounds like a park ranger who has seen too much, and the wyrm answers her.

This is not a story about a hero with a sword. Callie is not a fighter. She is a tracker, a zookeeper with a badge. The Bureau's training is carved into her: You are not a soldier. You are a zookeeper. And when the people with money and permits and extermination orders come for her charge, she protects it with the only weapons she has — patience, knowledge, and a refusal to leave.

Why you need to read this now:

The Bureau estimates the last magical creature on Earth will be gone by 2034. They are wrong, and the story knows it, but Book 1 doesn't tell you that yet — because Callie doesn't know it yet. What you get is the pure, urgent now of one woman and one dragon and one city that would rather the dragon didn't exist. The clock is already ticking. Every chapter you don't read is a chapter closer to the moment she finds out how little time is actually left.

If you have ever finished a procedural and felt the hollow where the next case should be — this is your next case. If you have ever rooted for the creature instead of the hunter — this is the only franchise that agrees with you. If you have ever been the last one who cared about something everyone else abandoned — Callie Venn is you, with a badge and a worse coffee situation.

The last dragon. One agent. No backup.

Read THE CASCADE WYRM before the wild gets any smaller.

The wild isn't the danger. Forgetting it exists is.

Free First Chapter

The Cascade Wyrm rose from the black water without a sound. Not a ripple, not a splash, not the wet gasp of something breaking the surface tension of the sump it had been sleeping in. One moment Callie Venn stood ankle-deep in sewage, flashlight beam cutting a trembling path across concrete walls furred with mineral growth. The next: a wall of scales, pale grey flesh the color of drowned things, rising from the darkness like a mountain deciding to stand.

She didn't scream. The Bureau trained that out of you by week three. She didn't run either — running in hip waders through two feet of unknown liquid broke your ankle and drowned you facedown in someone else's shit. She stood still, and she watched the Wyrm watch her.

Its head was the size of a refrigerator. Its eyes were the color of old copper, filmed with a nictitating membrane that slid across them like oil on water. It had been in Cascade City since the 1970s, according to the file she'd read exactly once. Paper so old it had the texture of a dead leaf, ink fading into the fibers like a ghost trying to escape its own documentation. It arrived as a juvenile, small enough to fit through a maintenance grate, following the heat of the city's waste processing infrastructure the way a salmon follows current to spawning grounds. The sewer system of Cascade was an accidental paradise for its kind. Warm. Dark. Endless. A network of tunnels beneath every street, every building, every foundation, the air thick with the mineral tang of rust and the sour breath of standing water.

It had grown. It had adapted. It had learned to avoid human contact so completely that most residents of Cascade would deny any such creature existed.

Now it looked at Callie Venn with the calm, patient attention of something that had been alive longer than she had, that had watched a city rise and begin to fall, that had outlasted the Bureau's projections by thirty-two years because the Bureau had stopped coming to Cascade City a long time ago.

Then it sank back into the water, as slowly and silently as it had risen, and Callie Venn stood alone in the dark, her heart hammering against her ribs, her flashlight beam shaking across the empty surface of the sump.

She had been tracking it ever since. Nineteen years of crawling through tunnels, reading faded reports, listening for whispers in a city that had learned to keep its secrets. The Bureau had written Cascade off as a Tier 3 monitoring zone. "Probable extinction of Alpha and Sigma class creatures within twenty years." But the Bureau was wrong. The Bureau was wrong about a lot of things.

She had been twenty-three years old, fresh out of Bureau field training, still wearing a jacket that smelled like the factory where it was made. Bureau-issue: a heavy canvas field coat with reinforced shoulders and a chemical-resistant lining supposed to protect against the acidic secretions of Class Gamma amphibians. It had never been tested against any such thing. The jacket smelled like formaldehyde, stale coffee, and the particular kind of mildew that grew in Bureau storage closets. A damp, papery smell that clung to the fabric no matter how many times she aired it out. She had loved it anyway. It meant she was a real agent.

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