How to Write a Horror Story (That Actually Scares People)

Doing what I do, one of the questions I get asked most is: How do I write a horror story that’s actually scary? And not one that’s creepy or gross. But the kind of scary that will make the reader smack the book shut, sit in haunting silence and listen to their home creak while the terror festers all around them.

As much as I wish I could just say: splatter some blood on the walls and toss in a sleep paralysis demon and voilà! there’s your scary story! But sadly, it’s not that easy.

Horror as a genre does without question does have gore, demons and tricks. But horror’s true soul lies in the shadows we already carry with us, and the things that we avoid thinking about when the lights go out.

Writing horror means staring straight into that darkness and pulling something alive out of it.

And that’s the difference between a story that your readers are going to forget tomorrow, and a story that they’ll be afraid to remember ten years from now.

So let’s talk about how to do it!

Step 1: Start with the Fear

Every great horror story begins with the small and simple question of: what are you afraid of?

And not what your characters fear, but what you fear. That’s the engine that powers your story because then you’re pulling from a place of familiarity and experience, that someone is also bound to have feared at some point as well. This could be the fear of death, of being so lonely that you wonder if you even exist, or the fear of losing all your memories or mind and becoming an empty hollow shell, with your self erased by your own mind.

So whatever the fear is, that fear will become the core that every ghost, every monster, every bloodstain circles back to.

When you know the fear, you know your story. The rest is just shaping it into flesh.

Step 2: Pick Your Flavour of Terror

Let me just say: Horror isn’t one-size-fits-all.

Some stories want to wrap you in velvet shadows and gothic decay, while others want to trap you in a suburban home with a deranged serial killer. Some are bloody and brutal that give you gruesome anatomy lessons, while some others are quiet, or so cosmic that you feel like an ant crushed beneath the universe.

If you want atmosphere and dread, then you’re going to be writing in the gothic horror universe. If you want unraveling minds, then it’s psychological horror. If you want survival and brutality, it’s a slasher. If you want the uncanny, it’s supernatural or even cosmic, where nothing can be explained and that’s the whole point.

Choosing your lane of horror is about knowing what kind of nightmare you’re building, so you don’t lose your reader in a mess of conflicting tones.

Step 3: Let the Setting Bleed

Your setting isn’t decorative wallpaper. Because when it comes to horror, the world itself is just as complicit with the tormenting as the antagonist, and it breathes with the fear you’re creating.

This is important to remember because it helps create tension, dread, and terror. It makes you ask: where does your character feel trapped? What place mirrors their emotional state? And most importantly: can the setting get worse and more corrosive over time?

Think of a house that looks safe but shifts and rearranges itself when it’s 3 a.m.. A snowbound cabin where help will never come and the food is running out. Or a decaying asylum where the ghosts aren’t the ones you need to fear.

When you write horror, the setting should feel alive. It should rot, it should breathe down the reader’s (and characters) neck, and it should close in until there’s nowhere left to run.

Step 4: Give Us a Character Worth Destroying

You can’t terrify a reader if they don’t care about the person at the centre of the story. And horror, when you really get down to the nitty gritty of it, isn’t really about triumph, but rather about loss.

Which means that your character needs something to be destroyed by.

So to do that, you’re going to give them flaws, make them haunted by their past or sprinkle in some trauma. Give them something they so desperately want like to be loved, to be free, redemption, or a way out of something that’s plaguing them. And then you’re going to be cruel and dangle it just out of their reach. The more human they are, the more brutal it feels when the horror comes crashing down on them.

Remember: we don’t weep for perfect squeaky clean heroes. We weep for broken people who remind us of ourselves.

Step 5: Use Suspense, Not Just Scares

Anyone (even my cat) can write a cheap scare, like a door slamming, or a sudden scream in an unsuspecting characters ear. But suspense is what keeps the reader’s hands clenched tight on the book, maniacally flipping the page even when they want to stop.

If you want to get that reaction out of your reader, then plant some doubt in your horror garden. Make then ask: why is that door always locked? What’s that dripping sound that never seems to stop in the attic? Is it a ghost haunting their dreams, or are they just losing their mind?

A good thing to remember about horror is that its structure escalates in stages. It goes like this: unease, disturbance, confrontation, invasion, and finally collapse. So build your horror carefully, and by the time the collapse comes, your reader will be begging for it just to breathe!

Step 6: What Does the Monster Mean?

Every monster (whether we like to believe it or not) is a metaphor. A ghost can be guilt, a demon can be trauma, and a killer can be about the inevitability that we’re all going to eventually die.

So the question you need to ask yourself is: what do you want your monster to say?

Sometimes this can be external, like something the protagonist must fight like a killer. Sometimes it’s internal, like a reflection of what they’ve been running from. And something to note is that: the monster doesn’t even need to be beatable. Because horror can just be about acceptance, destruction, or transformation into something darker.

Survival isn’t the goal. Transformation is. And horror doesn’t need a happy ending.

Step 7: Endings That Cut Deep

Speaking of unhappy endings, but endings are where a lot of horror stories take a little stumble. Because they wrap things up neatly, tie the bow, reassure the reader that everything is okay. And while there’s absolutely nothing wrong with that…

But that’s not horror.

Horror should unsettle and unnerve us. It should twist how the reader sees everything that came before. And it should sit with them long after the lights go out, because its burrowed itself so deep into their mind.

Endings that stick like that either snap shut like a trap like The Mist, spiral into something greatly worse like Hereditary, or offer a flash of hope before gutting you like The Descent.

Safe endings aren’t scary. So let your last image be your last, deadly, cut.

A Final Prompt for You

To get your creative spells conjuring some horror, here’s a little prompt for you! And I’d love to hear what you come up with in the comments!

A woman inherits an abandoned house in a town that no longer exists on any map. She moves in, and the first night she hears something scratching inside the walls.

Write the scene where she discovers what’s been trying to claw its way out.