The knife went in. It did not sing. It did not scream. It simply entered the flesh of the thing that wore the face of Thomas Bradshaw, a sound like a wet branch snapping under a heavy boot. I held the hilt. My hands were steady. They had always been steady. That was the problem. That was the curse.

We were in the cellar. The air tasted of iron and old rain. The creature thrashed, its limbs moving with a wrongness that made my eyes water. It was not Thomas. Thomas was dead. Thomas had been dead for three days, his body wrapped in sheeting in the room above, waiting for the priest. This was something else. Something wearing his skin like a ill-fitting coat. I drove the blade deeper. The thing looked at me. Its eyes were not eyes. They were holes. Black pits where light went to die.

I pulled the knife free. Blood, thick and black, spattered my white shirt. It looked like ink. It looked like the night. I stepped back. The thing collapsed. It did not fall. It dissolved. A puddle of shadow. Then, nothing. Just the damp stone floor and the smell of rot.

I climbed the stairs. My legs felt like lead. Every step was a negotiation with gravity. I reached the main floor. The town of Oakhaven was silent. It was always silent at night. The fog rolled in from the river, thick as wool, swallowing the streetlamps one by one. I knew every shadow here. I knew every creak of the floorboards. I had served this town for twenty years. I was the shield. I was the wall. And now the wall was breached.

Captain Elias Thorne waited in the parlor. He sat by the fire. He did not look up. He held a glass of brandy. The amber liquid caught the light, swirling with slow, hypnotic motion. He knew. He had always known. He just hadn’t said it.

You look tired, he said. His voice was soft. Gentle. Like a father speaking to a sick child.

I am fine, I said. I lied. My voice sounded foreign. Hollow.

The thing is gone, he said.

Yes.

Good. He finally looked at me. His eyes were gray. Cold. Like the river in winter. You did well, James.

I wanted to say no. I wanted to scream that I had not done well. I had done a terrible thing. I had killed a man. Or what was left of him. But the words stuck in my throat. I nodded.

Elias stood up. He was a tall man. Thin. He moved with a grace that belied his age. He walked to the window. The fog pressed against the glass. Outside, the world was dissolving. The boundaries between inside and outside were blurring.

We must go, he said.

Go where?

To the border.

There is no border, I said.

There always is, he said.

I followed him. We walked out into the street. The fog was so thick I could not see my hand in front of my face. I held my hand out. It disappeared. I was alone. I was invisible. The fog took me. It swallowed my breath. It swallowed my name.

We walked for hours. Or maybe it was minutes. Time had lost its shape. The town fell away behind us. The houses disappeared. The trees disappeared. The road remained. A ribbon of gray stone cutting through the white void. Elias walked ahead. I walked behind. I was his shadow. I was his echo.

I thought of Thomas. I thought of his face. The way he had smiled at me yesterday. He had bought me a beer. He had talked about his daughter. He had talked about the garden. He had been human. He had been alive. And now I had put a knife in him. The memory was a stone in my stomach. Heavy. Cold.

Elias stopped. We were standing in a field. There were no trees here. No houses. Just grass. Tall, white grass that swayed in a wind I could not feel. In the distance, there was a wall. A low wall of stone. It stretched across the horizon. It was the only solid thing in this dream.

The threshold, Elias said.

I looked at him. His face was pale. His lips were blue.

What is it? I asked.

It is the end, he said.

No. It is the beginning.

He turned to me. His eyes were wet. Not with tears. With something else. Something dark.

You do not understand, James.

I am the one who understands, I said.

Are you?

I don't know.

He smiled. It was a sad smile. A broken thing.

Then you are ready.

He took my hand. His hand was cold. Ice cold. He led me to the wall. The stones were black. They were wet. They wept. I ran my fingers over them. They were smooth. They were warm.

On the other side, Elias said, there is nothing.

There is everything, I said.

There is silence, he said.

I looked at the wall. I looked at Elias. I looked at the fog. I looked at my hands. They were stained with black blood. I could not wash it off. It was part of me now. It was my mark.

I thought of the town. I thought of the people. They were safe. They were sleeping. They did not know. They would never know. I had saved them. I had bought them time. I had bought them sleep.

But the price was high. The price was me.

I stepped up to the wall. I placed my hands on the stone. It pulsed. It beat like a heart. I closed my eyes. I listened. I heard the town. I heard the clock in the square. I heard the river. I heard the breathing of the people in their beds. They were so small. They were so fragile.

I opened my eyes. I looked at Elias.

I am going, I said.

No, he said. You are staying.

Why?

Because you are the wall, he said.

I did not understand. I wanted to understand. But the fog was rising. It was rising faster now. It was swallowing the field. It was swallowing the grass. It was swallowing Elias.

I could not see his face. I could only see his eyes. They were bright. They were fierce. They were full of a love I did not know I had. A love for me. A love for the duty. A love for the silence.

He pushed me.

Not hard. Gently. Like a parent pushing a child onto a train.

Go, he said.

I did not move.

Go, he screamed.

I moved.

I fell.

I fell through the stone. I fell through the darkness. I fell through the pain.

I landed on the other side.

It was not nothing. It was not silence. It was a room. A small room. It was white. It was clean. There was a bed. There was a table. There was a window.

I sat on the bed. I waited.

I waited for the pain. I waited for the fear. I waited for the end.

But nothing came.

Just the white. Just the quiet. Just the stillness.

I looked at my hands. The black blood was gone. My hands were clean. My hands were pale. My hands were mine.

I looked out the window.

I saw the town.

I saw Oakhaven.

I saw the fog.

I saw the wall.

And I saw Elias.

He was standing on the other side. He was holding the knife. The knife was clean. He was looking at me. He was smiling.

I wanted to scream. I wanted to warn him. I wanted to tell him that it was a trap. I wanted to tell him that the darkness was hungry.

But I could not.

My mouth was sealed.

My voice was gone.

I was the wall.

I was the threshold.

I was the boundary between the known and the unknown.

I was the silence that kept the town safe.

I was the cost.

I sat on the bed. I watched him. I watched him raise the knife. I watched him step toward the wall. I watched him push through.

I felt a pain. A sharp, sudden pain. Like a knife in the heart.

I closed my eyes.

I let him go.

I let the darkness take him.

I let the fog rise.

I was alone.

I was still.

I was the wall.

And the wall does not break.

The wall does not move.

The wall does not speak.

The wall endures.

I opened my eyes.

The room was empty.

The window showed only white.

I was alone.

I was safe.

I was dead.

I was alive.

I was the threshold.

And I would be here.

For a long time.

For a very long time.

Until the world ended.

Until the last light died.

Until the last breath was taken.

I would be here.

I would be the wall.

I would be the silence.

I would be the end.

I would be the beginning.

I would be the truth.

And the truth is this.

We are not separate.

We are not distinct.

We are one.

The light and the dark.

The good and the evil.

The living and the dead.

We are one.

And we are alone.

And we are together.

And we are gone.

I sat on the bed.

I waited.

I listened.

I heard nothing.

I heard everything.

I was the wall.

And the wall endures.