The fog clung to the Yorkshire moors like a shroud, thick and suffocating, the kind of mist that made you forget which way was north and which way was home. I was twenty-two when I killed it, though it felt less like killing and more like being swallowed whole. The thing had been coiled around the village well for three days — a serpent of impossible girth, its scales the colour of wet iron, its eyes like polished obsidian catching the weak light of a November afternoon.

The villagers gathered around me, their faces gaunt and desperate, their breath pluming in the cold air. They had sent for me from Oxford, where I had been wasting my father's money on tutors who taught nothing of value. Arthur Blackwood, they called me. Heir to nothing. Squire of a estate that barely produced enough to feed the tenantry.

"You must do something, sir," said Mayor Hargreaves, his voice trembling with a mixture of authority and terror. "The cattle have stopped giving milk. The children wake screaming. We cannot live like this."

I looked at the serpent, coiled tight around the stone well like a living wall. It did not hiss. It did not strike. It simply watched us with those ancient, unblinking eyes, and I felt something stir in my chest — not courage, not exactly, but something worse. A need to prove myself. A hunger to be the hero the village expected, because if I could not be that, then I was nothing at all.

My father's hunting sword felt heavy in my hands. It had not been drawn in anger since the day he died, two years prior, when he fell from the stables and broke his neck — an accident, they said, though there were rumours of a woman, of a fall that was not an accident at all.

I approached the serpent with the certainty of a man who has never considered the possibility of failure.

The battle was not heroic. It was brutal, chaotic, and uglier than any painting of a knight slaying a dragon. The serpent thrashed with a force that sent stone shards flying. I took a blow to the ribs that cracked three of them and sent me sprawling into the mud. The serpent reared up, its maw open, and for one terrible moment I understood what it must have felt like to be afraid of me.

I got to my feet. My vision swam. The sword was still in my right hand, but my arm trembled with the effort of holding it up. The serpent coiled again, its body moving with a fluidity that belied its size, and struck. I raised the sword to block and the impact drove me back to my knees. Blood ran from my left forearm where the serpent's teeth had grazed me. I could feel the warm trickle down my wrist, but I did not care. The pain was distant, abstract, like hearing about someone else's injury.

But I was young and desperate and foolish, and I drove the sword into the creature's heart with a force born of sheer panic. It fell with a sound like a collapsing cathedral, its blood black and thick, soaking into the moorland earth with a hiss that I told myself was steam but now know was something else entirely. The moor drank the blood hungrily, the dark liquid vanishing into the peat as if the land itself had been waiting for this offering.

The villagers cheered. They carried me back to the village on their shoulders, singing ballads I did not ask for. Margaret Hale — schoolteacher, the only person who ever looked at me and saw something other than a disappointing son — stood at the edge of the crowd, her face pale and silent. When I caught her eye, she turned away. I wanted to call out to her, to ask her what she knew, what she had seen that I had not. But I was being carried through the streets on the shoulders of drunk farmers who kept bumping into each other, and there was nothing left to say.

For three days, the village celebrated. But on the fourth day, the well water turned bitter.

At first, nobody connected it to the serpent. Old Mrs. Peabody was the first to die, succumbing to a fever that no local doctor could identify. Then the livestock began falling sick one by one, their bellies swelling until they could no longer rise. The well water was the only source in the village — there were no streams, no rivers within walking distance. It was all we had.

I should have left. That would have been the reasonable thing to do — pack my few belongings, walk to the station at Haworth, and catch the train south to London, where I could lose myself in the fog and anonymity of a city that did not care whether Arthur Blackwood lived or died.

But I stayed. And I investigated.

It started with the church. I went there one evening, seeking the solitude I needed to think, and found something in the stone behind the altar that had been plastered over and painted centuries ago. The plaster had cracked, revealing carvings beneath — rough, primitive, but unmistakable. A serpent, coiled around a well. Not menacing, not monstrous, but protective. Surrounded by figures who were offering it flowers, not weapons.

I spent the next week in the parish archives, reading records that stretched back to the seventeenth century. What I found chilled me to the bone. Every forty years — sometimes less, sometimes more — a Blackwood had killed a serpent. And every time, the village had suffered. Not immediately, not dramatically, but slowly, like a wound left to fester. The population declined. Crops failed. Children were born sickly. And then, after a generation or two, the village would recover enough to produce another Blackwood, who would grow up, go to Oxford or Cambridge or nowhere at all, and eventually return to kill another serpent and begin the cycle anew.

My father. He had killed it. I had seen the scars on the wellstone — fresh, not centuries-old. And his death — the fall from the stables. Coincidence, the coroner had said. But I had seen the way the mayor had looked at me the day after my father died, as if expecting me to take up the sword myself.

The realization came to me in fragments, like pieces of a puzzle I did not want to complete. The serpent was not the threat. We were. Or rather, our violence toward whatever we could not understand was the threat. The serpent had been keeping something else at bay — something deeper in the moorland, something that the Druids had bound beneath the stone, and the serpent's blood was the seal.

I wrote my confession in the church one last time, hiding the manuscript behind the loose stone where the carvings were. I left the village the next morning with nothing but a small satchel and a heart full of poison.

I am writing this now from a room in Bloomsbury, thirty years later. The rain is falling on the window. My hands shake — not from fear, but from the slow, grinding weight of a truth that can never be shared. If I told anyone, they would call me mad. And perhaps I am. But I have spent every night since that November evening lying awake, listening to the rain on the roof, wondering if the serpent knew.

We were not heroes. We were the curse.

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