The air inside the Room of Requirement was dry and still, carrying the faint scent of old pages long after they had been turned.
Lucian stood at the center of the room with his eyes closed, testing a bold hypothesis.
He began by forming a clear mental image.
A control console.
I need to see Hogwarts' circuits, he thought. Display the real-time flow of all magical nodes within the castle.
The air trembled.
Countless specks of golden light gathered in front of him, weaving together in midair.
Slowly, an enormous and precise three-dimensional model of Hogwarts took shape, rendered in translucent gold.
Lucian felt it immediately.
The model was connected to the vast, sleeping beast beneath his feet.
Its structure was astonishingly complex.
Layers of magical frameworks were nested within one another. A single disturbance in one section would ripple through the entire system.
When he focused on the ceiling of the Great Hall, he sensed a direct link to the real dome overhead.
So this is it, he thought. The Room of Requirement is the castle's control center.
Dumbledore had not stopped him from coming here.
Perhaps the headmaster believed that a first-year's limited magic would amount to nothing more than a scratch against a mountain.
Lucian's eyes reflected the glowing model.
What should have been smooth, flowing magical circuits were instead marred by patches of alarming dark red.
Some nodes flickered weakly like dying candles. Others burned in dangerous yellow from magical congestion.
A thousand years had not only eroded stone walls. They had filled this colossal magical construct with errors and blockages.
"The Great Hall dome. Node A7."
Lucian extended his wand into the projection and tapped the red-glowing point.
The node magnified instantly in his vision. Layers peeled back and resolved into its microscopic core structure.
It was supposed to be a perfect tetrahedral energy loop. The foundational unit that stabilized the weather simulation enchantment.
But now, that geometric unit had suffered severe deformation after centuries of magical stress.
One edge had fractured, causing the entire energy loop to jam like a misaligned gear grinding in protest.
"Structural fatigue leading to foundational unit collapse," Lucian diagnosed softly. "Equivalent to a short circuit in the lowest-level logic gate."
He raised his wand gently and released a thread-thin stream of high-frequency magic.
His magic entered the intricate structure like a probe, precisely touching the damaged node.
Under his fine control, the twisted base unit was realigned.
The fractured edge fused back together under controlled magical oscillation, restoring the perfect geometric form.
In his vision, the clogged red light flickered violently.
Then the stagnation vanished.
With the reconstruction of the base unit, the chaotic flow reorganized instantly. The red faded, replaced by a steady emerald green.
A faint but exceptionally pure current of feedback magic flowed back along the structure and into Lucian's body.
The tension in his nerves eased slightly.
But his mind was exhausted.
It felt like pulling two consecutive all-nighters before final exams.
Restoring something broken was always intoxicating. Repairing a flaw in an ancient castle felt no less magnificent.
Lucian looked at the sea of red nodes scattered across the model.
He did not rush.
This would be a long-term project.
...
At the same time, in the Headmaster's office.
The greatest white wizard of the century sat behind his massive claw-footed desk.
Half-moon spectacles rested on his nose, and his expression was so focused that one might think he was studying a forbidden dark ritual.
Instead, lying open before him was a brightly colored Muggle textbook titled Elementary Mathematics: Foundations of Arithmetic.
Beside it were a secondary school physics primer and a popular science book explaining atomic structure.
"Fascinating," Dumbledore murmured, his long fingers brushing over a diagram of atoms and molecules.
"If the boy's hypothesis during Transfiguration class holds true, we may have to redefine the very nature of transformation."
He popped a lemon sweet into his mouth and glanced thoughtfully at Fawkes.
"This is far more puzzling than Ancient Runes, Fawkes. Muggles, without magic at all, attempt to analyze the Creator's work using mathematical formulas."
He sighed softly, though there was respect in his voice.
"If this truly is the underlying code of the world, then we wizards have been rather… superficial in our understanding."
Suddenly, the walls of the office emitted a faint hum.
Ordinary ears would not notice it.
But to the portraits of former headmasters hanging on the walls, it was like fingernails scraping across a chalkboard.
"Oh, heavens!"
Phineas Nigellus Black's portrait jolted awake.
He clutched his ears, his pale, sharp face twisted in discomfort. "Stop! Albus, stop! It feels like someone is stretching my canvas!"
"Not stretching," said another portrait, a plump former headmistress named Dilys Derwent, frowning thoughtfully. "I feel… a very clear current."
Dumbledore set down his book and lifted his head.
He felt it more distinctly than any of them.
As the holder of the castle's authority, he could sense that a minute flaw within Hogwarts' system had just been repaired.
"No one is conducting maintenance, Phineas," Dumbledore said gently, fingers touching the bridge of his nose.
A smile hid in his eyes. "Perhaps this old house has found itself a new physician."
"A physician? I'd say a lunatic!" Phineas grumbled, straightening his robes.
Then his expression shifted to suspicion.
"You're still here. Who exactly is controlling the castle?"
"For those who seek knowledge," Dumbledore murmured quietly, "the night is always too short."
.....
Later, as Lucian left the Room of Requirement and made his way back toward Ravenclaw Tower, he encountered a ghost in the corridor.
Helena Ravenclaw.
The Grey Lady.
Her pearly, translucent form hovered silently in the middle of the passage. Her usually distant, hollow eyes were fixed on him.
"What did you do?" she asked, her voice soft and drifting.
Lucian stopped and inclined his head politely. "Good evening, my lady. I'm afraid I don't understand."
"The castle," she said, drifting closer. "For a single moment, it took a deep breath."
She hovered nearer, her gaze searching.
"In that instant, I felt the rhythm from my mother's time. That ancient cadence."
Lucian was silent for a few seconds before answering calmly.
"It was nothing. I noticed something slightly out of alignment and put it back into place."
Helena studied the first-year student in front of her.
At last, she drifted backward and passed through the wall, her final whisper lingering in the corridor.
"Be careful, child. Some wounds, once uncovered, release more than blood."
__________
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