A strange and gloomy atmosphere had gradually settled over the grounds of Hogwarts. At first it was almost imperceptible—something trivial or a strange coincidence—but as the days went by, silent alarms began to sound throughout the hallways.
All the students, from the youngest to the seventh-years, were beginning to feel increasingly weak and drained of energy. With each passing day, the teachers noticed that their students seemed deeply exhausted. They responded much more slowly to questions in class, shuffled their feet as they walked, and—most terrifying of all—their own magic felt weak and lackluster; spells they had once cast with ease now produced only a few sparks or required a titanic effort to execute.
The situation reached a critical point when a group of first-years fainted in the hallways and had to be rushed to the infirmary for a severe case of magical exhaustion. This left Madam Pomfrey extremely concerned, pacing back and forth among the stretchers, completely unable to find a medical or magical explanation for the sudden loss of vital energy the children were experiencing.
That same afternoon, an emergency meeting was called. The house heads were gathered in the headmaster's office, discussing in hushed tones and trying to think of possible causes for the students' strange and widespread exhaustion.
Albus Dumbledore listened intently from his desk to his colleagues' hypotheses, his brow furrowed.
Suddenly, the door burst open with a crash. Hagrid rushed in, nearly tripping over his own feet. His usually affable face was contorted with anguish and panic.
"Headmaster Dumbledore! Professors!" Hagrid exclaimed, breathless. "It's terrible! In my last Care of Magical Creatures class with the fifth-years... the animals we were going to study. They're all exhausted! They can barely keep their eyes open, and some... some of the smaller ones were found dead when I went to check on them."
A deathly silence fell over the office. The gravity of the situation had just escalated exponentially. It wasn't just affecting the wizards, but also the castle's magical creatures. Something—or someone—was draining the energy from the place.
Albus rested his elbows on his desk, clasping his hands in front of his face. As his mind worked to connect the dots and pinpoint the cause, a specific figure—tall and with empty eyes—flashed through his mind.
"It must be him," Dumbledore thought, feeling a pang of suspicion. Since his arrival, the atmosphere had changed. He decided that from that moment on, he would begin to closely monitor every move of that strange individual in the shadows. In times as volatile as these, it was far better to be safe than sorry.
Looking up, Dumbledore turned to his former caretaker and now professor.
"Professor Filch," Albus called urgently, "as an expert in the field, tell me… is there any Arcane Pattern that could help us restore the magic or vitality of those affected?"
Argus Filch slowly scratched his chin, weighing the question as the creator of those marvelous and powerful structures. After a few seconds, he nodded slowly.
"Yes, Headmaster. There is one in particular," Argus replied with a confident voice. "It is a formation that acts like a funnel; it harnesses and filters raw magic from the surrounding environment to feed directly into the core of the caster, amplifying or replenishing their reserves."
Albus smiled faintly, feeling a glimmer of hope.
"Excellent. I need you to draw it up and use it immediately in the infirmary to help sustain the most affected students before their cores collapse."
Argus shook his head slightly, wearing an apologetic expression.
"I'm afraid I must consult Aurelian to carry this out, Albus," Filch explained. "That specific circuit is one of his designs that he didn't fully share with me or the public, and therefore, it isn't detailed in our textbook. The matrices are delicate, and without his guidance, it could be counterproductive."
Dumbledore didn't hesitate for a second.
"Then go fetch him this very instant, Argus. The sooner we have him in the infirmary, the better," ordered the headmaster.
Filch nodded with a stiff bow and hurried out of the office.
When the door closed, Professor Flitwick let out a small smile, swinging his feet in his chair.
"It's fascinating, don't you think?" Flitwick asked aloud, looking at his colleagues. "I wonder how many more Arcane Patterns Aurelian has developed that he hasn't shared with anyone yet. You can tell he's saving the best for himself."
Albus let out a long sigh, relaxing his shoulders slightly.
"It is truly fascinating magic, Filius. Brilliant, and with almost limitless potential," Dumbledore agreed.
With a casual flick of his fingers, Albus traced a line in the air. Out of nowhere, a small geometric pattern appeared before him, glowing intensely with a deep golden color that momentarily warmed and illuminated the worried faces of those present.
Minerva McGonagall observed the floating figure and nodded.
"I must admit that I still find it quite difficult when I try to practice even the basics," confessed the strict Transfiguration professor. "It is a form of magic that is deeply tied to a person's capacity for imagination, and honestly, daydreaming has never really been my strong suit."
Everyone in the office smiled slightly at the lack of imagination that had always characterized the pragmatic Minerva. It was a moment of levity in the midst of the crisis.
However, Dumbledore quickly wiped the smile from his face, and the golden pattern on his hand vanished in a shower of sparks, leaving the office silent once more.
"Please, I ask everyone to be extremely vigilant for anything unusual you notice, no matter how small it may seem," Dumbledore instructed them, standing up as his aura as Archmage filled the room. "I have already warned the portraits and the ghosts of the castle to act as our eyes and ears and to report the information immediately if they discover the source of this. Our priority at this moment is to aid the injured students and resolve the cause of this terrible evil that haunts our school."
Severus Snape, Pomona Sprout, Filius Flitwick, and Minerva McGonagall stood up in unison.
Knowing that time was against them and that the enemy was draining their students from the shadows, all the professors nodded resolutely before heading out to prepare for the silent battle being waged at Hogwarts.
The icy evening wind howled atop the west tower at the Owlery.
Hermione, Ron, and Harry descended the stone steps in tense silence. Harry had just tied a letter to Hedwig's leg, sending her flying toward the horizon. In the parchment, he had told Sirius about the strange evil that was draining the life and magic from everyone at the school. Harry prayed silently, watching his owl disappear into the gray clouds, that his godfather would understand the gravity of the situation and bring help to the castle as soon as possible. This wasn't normal.
Upon reaching the base of the tower, Hermione and Harry exchanged a glance, then turned their gaze to their red-haired friend, watching him with concern.
Ron was, by far, the most affected of the three by the strange atmosphere enveloping Hogwarts. With each passing day, his skin grew paler and more translucent, his dark circles deepened, and he walked as if he were carrying weights in his shoes. Realizing that his two best friends were looking at him with pity, Ron straightened up a little and offered them a weak, tired smile.
When they reentered the castle and felt the warmth, Hermione rubbed her arms.
"We'd better hurry back to the Gryffindor common room," Hermione suggested in a tense voice, glancing nervously down the empty corridors. "We shouldn't be wandering around here in this state."
Harry nodded immediately, agreeing with her. Ron, however, stopped and rubbed his stomach with a grimace.
"Guys… I know you're right, but I'm really, really hungry," Ron told them, sounding almost like his old self before all this started. "Do you think we could swing by the Great Hall for a moment to see if there's any lunch left? I feel like I'm going to pass out if I don't eat something right now."
Harry and Hermione let out a long sigh, but, seeing that spark of stubbornness in their friend's attitude, they couldn't help but smile a little. If Ron still had an appetite, all was not lost.
"All right, let's go quickly," Harry agreed, patting him on the back.
A few minutes later, the three of them were sitting at the huge, empty Gryffindor table in the Great Hall. Ron had found a plate with some roast chicken and potatoes and was eating greedily while Harry and Hermione nibbled on pieces of bread, staying alert.
Suddenly, the temperature around them plummeted. The three boys' breath condensed into small white clouds in front of their faces.
"Harry James Potter…" whispered a raspy, chilling voice directly into Harry's ear.
The three boys jumped in their seats. Just inches away from them, having appeared out of nowhere without making the slightest sound, stood the new caretaker.
But something was terribly wrong.
As the man kept his unsettling gaze fixed on Harry, he began to change. His body started to stretch grotesquely; his bones creaked and lengthened beneath his clothes. He became terrifyingly tall and thin, like a pole. His arms and legs now looked like tree branches, and his fingers turned into long claws. The seams of his robes burst open from the monstrous transformation, making him look like a creature straight out of their worst nightmares.
"Run!" Harry shouted at the top of his lungs, pushing Hermione and Ron away from the table.
The three of them bolted toward the double doors of the Great Hall.
But the creature wasn't far behind. With long strides, the caretaker began chasing them through the castle's dark corridors. Now, the creature opened its mouth and screamed incessantly, its voice echoing off the stone.
"HARRY JAMES POTTER! HARRY JAMES POTTER! HARRY JAMES POTTER!"
They turned a corner into the second-floor corridor, but the exhaustion that had been affecting Ron finally took its toll. Halfway down the hall, the redhead's legs gave out completely. Ron tripped over his own feet, letting out a small cry, and fell onto the stone floor.
"Ron!" Hermione shouted, skidding to a halt and spinning on her heels.
But before Harry or she could take a step to help him, the creature pounced on him. With terrifying speed, the caretaker grabbed the boy. One of its long hands closed around Ron's neck.
The creature lifted Ron off the ground. A gigantic, chilling grin spread across the monster's deformed face as it tightened its grip, cutting off the redhead's air supply. Ron began to kick weakly, clutching his throat in an attempt to loosen the hold, his face turning from red to purple.
"Let him go! Stop!" Harry and Hermione shouted in unison, drawing their wands and pointing them directly at the creature's face.
The caretaker let out a laugh that made the students' blood run cold. He tilted his elongated head, completely ignoring the boys' wands.
"The cloak..." hissed the monster, tightening its grip on Ron's neck a little more; Ron closed his eyes, on the verge of losing consciousness. "Give me your family's cloak... and your friend lives, descendant of Peverell."
Harry froze. How did that thing know about the Invisibility Cloak? It was his most prized possession, the only tangible memento of his father. He hesitated for a split second, weighing the object's value to him.
However, a sound that escaped Ron's lips—his eyes beginning to roll back from lack of oxygen—brought him to his senses.
Panic shattered any doubt in Harry's mind. He wasn't going to let his best friend die right in front of him.
Dropping his wand to the ground, Harry desperately reached into his bag. He fumbled until he felt the fabric. He pulled out the Invisibility Cloak, glowing faintly in the torchlight, and threw it directly at the creature.
"Take it! Now let him go!" Harry shouted, his voice breaking.
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