The hand was wrong.

Elias noticed it first. He stood in the center of the room. The walls were white. The floor was cold. He looked down. His left hand hung limp. The fingers curled inward. Like a claw. Like a question.

He raised it.

Nothing.

No signal. No spark. The muscle was dead. Or so it seemed.

"Professor?"

A voice. Thin. Reedy.

Elias did not turn.

"Look at it," the voice said.

"Which one?"

"Both. Look."

He looked.

The right hand moved. Smooth. Elegant. It traced the air. A scholar’s hand. Long fingers. Precise.

The left hand stayed still.

"Is it broken?" Elias asked.

"Broken is a word for things that can be fixed," the voice said. "This is not fixed."

"Then what is it?"

"It is you."

Elias frowned.

He was in the lab. Or he thought he was. The room had no windows. The light came from above. Harsh. Sterile. It hummed. A low, electric thrum. It vibrated in his teeth.

He looked at the right hand again.

It flexed.

He watched it.

It was beautiful.

He hated it.

He tried to move the left hand again.

Nothing.

"Cut it off," Elias said.

The voice laughed. A dry, papery sound.

"You cannot cut off what is already gone," the voice said. "Or can you?"

Elias turned.

A figure stood by the door.

Tall. Thin. Wearing a gray coat. The coat was old. The fabric was thin. It showed the shape of the bones beneath.

It was Elias.

Not a mirror. A mirror reflects. This did not. This existed. This breathed.

The other Elias looked at him. The eyes were dark. Tired.

"Hello," the other said.

"Who are you?" Elias asked.

"I am the one who stays," the other said. "When you leave."

"I am not leaving."

"You are always leaving. Every thought. Every choice. You leave a part of yourself behind. That is what I am. The residue."

Elias stepped forward.

"Prove it."

The other Elias smiled. It was a sad smile.

"Look at your hand."

Elias looked.

The left hand was still dead.

"Look at mine."

Elias looked at the other man.

The other man raised his left hand.

It moved.

Graceful. Strong.

Elias felt a jolt.

A physical shock.

He looked at his own right hand.

It was still.

The roles had reversed.

"What did you do?" Elias whispered.

"I took it," the other said. "The strength. The will. You gave it to me. By ignoring it."

"No. I didn't."

"You did. You chose the mind. The logic. The words. You starved the body. You starved the feeling. I am the feeling."

Elias backed away.

His heels hit the wall.

Cold stone.

"I am a scholar," Elias said. "I study things. I do not live in my hands."

"Everyone lives in their hands," the other said. "Even if they do not know it."

"Who are you?" Elias asked again. His voice shook.

"I am what you fear."

The room changed.

The white walls bled.

Dark spots appeared.

Like ink.

Like bruises.

The humming grew louder.

It became a scream.

Elias covered his ears.

The other Elias did not move.

He stood in the center.

He opened his arms.

"Come here," he said.

"I will not."

"You must."

"Why?"

"Because you are incomplete."

"I am whole."

"You are empty."

The words hit Elias like a punch.

He staggered.

He looked at his hands.

The right hand was dead now.

The left hand moved.

He raised the left hand.

It was trembling.

He looked at the other man.

The other man was fading.

His edges blurred.

He became translucent.

"Wait," Elias said.

"Don't," the other said. "Let me go."

"Why?"

"Because you need it."

"I need what?"

"Your hand. Your life. Your self."

Elias looked at his left hand.

It was strong.

It was real.

He felt a surge of power.

It flowed through his veins.

It was warm.

It was terrifying.

He looked at the other man.

The other man was almost gone.

Only the eyes remained.

Dark. Tired.

"Forgive me," the other said.

"For what?"

"For being you."

The other man vanished.

The room was empty.

The white walls returned.

The light was bright.

Elias stood alone.

He looked at his hands.

Both moved.

Both were strong.

He raised them.

He looked at them.

They were his.

He felt a sense of completion.

A heavy, solid weight.

He took a step.

The floor was hard.

He took another.

The air was thin.

He walked to the door.

The door was open.

Beyond it was a hallway.

Long. Dark.

He walked into it.

His footsteps echoed.

Clack.

Clack.

Clack.

He walked for hours.

Or minutes.

Time was slippery.

He heard a voice.

Faint. Distant.

"Father?"

He stopped.

He turned.

A girl stood at the end of the hall.

Small. Fragile.

Wearing a blue dress.

It was Clara.

His daughter.

She had died three years ago.

A fever.

Quick.

Painful.

He had held her hand.

He had held her hand until it went cold.

He had let go.

He had moved on.

He had forgotten.

He had studied.

He had written.

He had lived.

He had ignored the pain.

He had ignored the hole.

Now she was here.

"Clara," he whispered.

"Did you get it?" she asked.

"Get what?"

"The strength."

He looked at his hands.

He flexed his fingers.

They moved.

"Yes," he said.

"Is it enough?"

"I don't know."

She smiled.

It was a sad smile.

"It is never enough," she said. "But it is a start."

Elias looked at her.

He wanted to hug her.

He wanted to hold her.

He wanted to keep her.

But she was fading.

Like the other Elias.

Like the memory.

Like the pain.

"Go," she said.

"I cannot leave you."

"You must."

"Why?"

"Because you are not her."

He shook his head.

"I am her father."

"You are the man who let go."

The words stung.

He wanted to deny it.

He wanted to argue.

He wanted to scream.

But he was silent.

He looked at his hands.

They were strong.

But they were empty.

He had gained power.

He had lost love.

The trade was fair.

The price was high.

He walked past her.

He did not look back.

He could not.

He walked down the hall.

The door at the end was open.

Beyond it was a room.

Small. Warm.

A bed.

A window.

Sunlight.

He entered.

He sat on the bed.

He looked at his hands.

He closed his eyes.

He felt the weight.

The heaviness.

The silence.

He was alone.

He was whole.

He was dead.

The end.