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Under the Shadows of Isengard

Summary:

Captured and gagged by Saruman, Boromir endures haunting visions that test his sanity.

When Aragorn finally frees him, the first sound of his voice after so long becomes a moment of redemption.

Work Text:

The wind from the North carried the scent of iron and ash.

Boromir moved through the trees, alone, following the fading trail of the Ring-bearer.

The Fellowship had scattered after his failure.

He had meant only to reason with Frodo, to make him see the need to save Gondor—but his hands had betrayed his words, and Frodo’s terror haunted him now more than any blade.

The woods grew quiet.

Too quiet.

He felt the air change before he heard it: the hiss of an arrow. Then another.

The third struck the ground beside his boot.

Boromir turned sharply, raising his shield.

“Show yourselves!” he roared. “Come out, if you have courage!”

Figures stepped from the mist—tall, armored, their faces painted with white hands.

Uruk-hai, bred by Saruman.

He swung his sword, cleaving through the first that charged.

Another spear met his shield; he twisted and struck again.

For every one that fell, two more came.

A chain whipped through the air, wrapping his arm.

A second caught his throat.

He fought until his breath failed him—until a boot slammed against his chest, sending him crashing to the ground.

Before he could curse them, rough hands seized his face, forcing a strip of leather between his teeth.

The world went dark as the sound of his horn—his father’s horn—fell to the mud with a hollow echo.

He awoke in silence.

The air was damp and bitter.

Black stone walls rose around him like a tomb.

Chains bound his wrists, his legs, his neck.

The taste of blood lingered beneath the leather gag.

And in front of him stood Saruman the White.

The wizard regarded him with the cold curiosity of a scholar.

“So,” he said softly, “the son of Denethor.”

He stepped closer, his staff glinting faintly in the torchlight.

“A strong will. A proud heart. Tell me—does pride make it easier to resist… or to surrender?”

Boromir glared, his jaw tight beneath the gag.

Saruman tilted his head.

“You sought the Ring. You touched its power. You felt its call.” His voice dropped to a whisper. “What did it promise you?”

Boromir tried to look away, but the staff pressed against his brow.

Light exploded behind his eyes.

Visions poured in—Minas Tirith aflame, the walls broken, his father kneeling in despair.

Aragorn stood on the throne, wearing the crown of Gondor.

That should have been yours.

Boromir jerked against his bonds, growling, but the gag drowned all sound.

Saruman smiled faintly.

“The silence of men speaks louder than their tongues,” he murmured. “Let us see what your silence will reveal.”

And he left him there—alone, in the dark, with his thoughts and the whispers of the Ring echoing in his skull.

He lost count of time.

There was no sun, no moon—only the drip of water, the shuffle of feet in distant corridors.

Sometimes Saruman came, sometimes he sent others.

They asked no questions.

They only watched.

The visions never stopped.

He saw Frodo again, standing before him, the Ring gleaming in his hand.

“You wanted it,” said the phantom. “And because of you, we will all fall.”

Boromir shook his head violently, muttering behind the gag, No. No, I didn’t mean—

But the words never formed.

He saw his brother, Faramir, reaching toward him through smoke.

Then his father’s voice: You were supposed to be stronger than this.

The walls seemed to close in, whispering.

You failed the Fellowship.

You failed Gondor.

You failed yourself.

Sometimes, he tried to pray.

Other times, he wanted to scream.

But only silence answered him.

And yet—somewhere beneath the torment—something still burned.

A spark.

A stubborn, quiet flame that refused to die.

Aragorn rode through the wild for three days without rest.

He followed broken tracks—blood, footprints, the prints of Uruk-hai heavy in the soil.

Every sign screamed one truth: Boromir was alive.

“Isengard,” he muttered to himself. “Saruman has him.”

Legolas had warned him that no man could walk into Orthanc and return alive.

But Aragorn was not any man—and Boromir was not only a comrade.

He was a brother.

As the night deepened, thunder rolled over the mountains.

Lightning flashed, revealing the black spire of Isengard against the storm.

Aragorn dismounted, slipping through the shadows like a wolf.

The guards at the gate fell quickly and quietly.

The tower loomed above him—ancient, silent, and reeking of death.

In the lowest chamber, Boromir stirred at the sound of footsteps.

For a moment, he thought it was another dream—another cruel echo from his fevered mind.

But then he saw it. The faint glow of a torch.

A figure stepping from the darkness.

“Boromir…”

That voice.

He would have known it anywhere.

Aragorn knelt beside him, eyes wide with grief.

“Easy now,” he whispered, cutting through the ropes.

“I’ve got you.”

The leather tore against the blade.

The cords fell away, revealing bruised wrists and skin rubbed raw.

Boromir flinched when Aragorn touched his shoulder; his body trembled violently, the breath catching in his throat.

“Shh,” Aragorn murmured. “You’re safe now.”

When the gag finally came loose, Boromir gasped as though drowning.

Air burned his lungs. His lips bled where the leather had torn them.

For a long moment, he couldn’t make a sound.

Only a broken whimper escaped.

Aragorn caught him before he fell, holding him upright, forehead to forehead.

“I’m here,” he whispered. “It’s over.”

The tower shook above them—the storm raging outside—but neither moved.

For the first time in endless days, Boromir felt warmth.

Human warmth.

They moved through corridors slick with rain and shadow.

Aragorn guided him like a wounded brother, one arm around his waist, his sword ready in the other hand.

Uruk-hai patrols stalked the halls, but the storm outside masked their steps.

When they reached the courtyard, Boromir stumbled, nearly collapsing.

“Leave me,” he tried to say—but the words came out hoarse, barely more than a rasp.

Aragorn shook his head.

“I did not come this far to lose you now.”

They fled through the rain, crossing the ruins of Isengard’s outer wall.

Lightning flashed, illuminating the black tower one last time—Saruman’s citadel, empty now, its power broken.

Boromir looked back once, the memory of the cell still clinging to him like chains.

He felt the weight of silence in his chest, the ache of every word he had been unable to speak.

But then Aragorn’s hand tightened on his shoulder, steady and real.

“Breathe,” he said softly.

Boromir did.

And for the first time, it didn’t hurt.

At dawn, they reached a stream at the edge of the forest.

Aragorn helped him sit by the water.

The sky glowed pale gold, the world washed clean by rain.

Boromir dipped his hands into the current.

His reflection wavered—a face gaunt and scarred, but still his own.

Aragorn sat beside him in silence. He knew better than to ask questions.

Boromir’s eyes flickered with thought, confusion, shame, and something else—something fragile.

Minutes passed.

The wind moved softly through the grass.

Then, haltingly, Boromir spoke.

A single word.

“…Brother.”

It was barely a whisper, cracked and uncertain, but to Aragorn it sounded like music.

He turned sharply, eyes burning.

“Yes,” he said, voice trembling. “Brother.”

The word lingered between them, sacred and alive.

For Boromir, it was not just a name.

It was absolution.

That night they made camp beneath a grove of ancient trees.

A small fire flickered, casting gold on Boromir’s hollow face.

He sat wrapped in Aragorn’s cloak, staring into the flames as if trying to remember how warmth felt.

Aragorn watched him quietly.

The warrior who had once stood proud and defiant was now silent, gentle, almost childlike in his exhaustion.

But there was
life in his eyes again.

When he finally slept, he dreamed of the White Tower—not in flames, but shining under the sun.

He saw Faramir smiling.

Frodo safe.

Aragorn on the throne.

And for the first time, it did not hurt to see it.

They traveled east in silence, the mountains behind them fading into blue.

Boromir’s strength returned slowly; his voice, even slower.

Sometimes he would whisper fragments of songs—old ballads of Gondor, verses half-remembered from his youth.

Aragorn never interrupted. He only smiled when he heard them.

On the fifth morning, Boromir looked toward the rising sun.

“I thought… I would die in silence,” he said quietly.

“And that no one would ever hear my voice again.”

Aragorn looked at him, steady and warm.

“Then let the world hear it now.”

Boromir’s lips curved into the faintest smile.

“I will,” he said. “But perhaps… not all at once.”

The wind carried their laughter across the hills—soft, brief, and human.

Weeks later, on the borders of Rohan, Aragorn woke to the sound of humming.

He turned, and there was Boromir, sitting beside the fire, mending the strap of his horn.

The melody was low and rough, but steady—the same song he had once played beside the Fellowship on their first night together.

When Boromir noticed Aragorn watching, he paused.

“Old habits,” he said softly.

“Keep them,” Aragorn replied. “They suit you.”

Boromir smiled, faintly, the lines of sorrow easing from his face.

“The shadows of Isengard can have their silence,” he said. “I’ve found my voice again.”

He lifted the horn, testing its weight.

The sound that followed was strong, proud, and clear—echoing through the dawn like a promise reborn.