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All Hallows' Eve hung heavy over Britain—that mystical night when the boundaries between worlds grew thin and ancient magic stirred from its slumber. This year, the darkness seemed especially thick, as if fate itself had played a cruel joke by aligning Selwyn's bloody harvest with Samhain. His pattern remained ruthlessly precise: every third day claimed another victim, each death feeding his growing power as he drew closer to the final ritual.
Within Malfoy Manor, Hermione felt the magical currents shifting around them. The Aurors' protective charms trembled with mounting intensity, straining against unseen forces. Ancient folios vibrated on their shelves almost imperceptibly, responding to the call of their true nature. Even the candlelight betrayed something amiss—shadows danced within the flames in ways that defied natural law.
While Harry and the bulk of the Auror corps patrolled other locations— all pure-blood families ever associated with Death Eaters were at risk this night—Granger remained at Malfoy Manor as an expert in ancient scripts, not as a defender. At least, that's how they had explained it to the Wizengamot.
The day was dying quietly beyond the library windows. She sat at the table, bent over Cassandra Black's diary, fingers stained with ink from endless attempts to decipher the remaining runes. Though most had revealed their secrets, these pages had yet to yield an answer on how to stop Selwyn and his ritual.
"We're wasting time." Draco's sharp voice cut through her concentration. He sat nearby, surrounded by generations of family records chronicling the Black legacy. "Nothing useful." He slammed his great-grandfather's worn diary shut and pushed it away.
He looked markedly worse than before. His naturally pale complexion had taken on an almost transparent quality, the toll of sleepless nights compounded by magical exhaustion. He'd spent the entire day reinforcing the manor's protective barriers alongside Harry's Aurors.
"No, wait," Hermione pointed to the page. "Cassandra's hidden something in the runes themselves. Each symbol flows into the next, like waves..." Her voice trailed off as she studied the half-erased lines at the bottom of the page.
Draco leaned in close enough that his hair brushed her cheek. The scent of ozone and something metallic clung to him. Had she not known he was forbidden from practicing dark magic under threat of imprisonment, she would have thought—
"What is it?" His hopeful question interrupted her thoughts.
"Here—Cassandra mentions a specific cycle of full moons and... wolf's blood," Hermione frowned. "Something about an ancient debt. Strange, this section's almost completely worn away."
"Look here," his finger traced the line below, inadvertently grazing her hand. "She writes of a summoning. Ancient beings... they don't appear unbidden. They require a conduit."
"A conduit?"
"Someone through whom they can influence our world," Draco straightened, his movements suddenly jerky and precise. "Usually it's the one performing the ritual. But not necessarily..."
His voice faltered as pain contorted his features—an expression she'd seen before. Before she could study it closer, he turned away and rose from the table, moving toward the bookshelf for another diary. She noticed the tremor in his hands.
"Draco?" The use of his given name slipped out before she realized it.
"I'm fine," he replied without turning. "Just tired."
But she had already risen. As she drew closer, the witch finally saw what had escaped her notice—dark lines, like veins, threading up his neck and disappearing beneath his collar.
"What have you done?" Her voice faltered.
"What was necessary," he tried to pull away, but she caught his arm. "Granger..."
"Show me."
After a moment's resistance, he slowly rolled up his sleeve. Black tendrils encircled his arm like living ink, pulsing in time with his heartbeat. They converged at the Dark Mark, which seemed to writhe with newfound life.
"The protective ritual demands payment," his voice rasped. "Blood for blood. Magic for magic."
Hermione drew in a sharp breath as understanding dawned.
"You summoned their power," she stated rather than asked. "Those ancient beings that Muggles call—"
"Yes." He cut her off, unwilling to hear the word spoken. "I found the ritual in Cassandra's later diaries. It allows one to harness their power for protection."
Ice seemed to flood Hermione's veins. She had seen those notes—mere lines scrawled in margins, yet so dark that even Cassandra had warned against their use. And Malfoy had dared...
Fear gave way to fury.
"Then why involve the Aurors at all?" Her voice trembled with barely contained emotion. "Why this entire charade of requesting help?"
"Because I didn't know what we faced then. I thought standard protection would suffice. But when I realized what power Selwyn was channeling..." A bitter smile crossed his face. "Light magic is useless here, Granger. Against the ancient ones, you need their own weapons."
"You're forbidden from dark magic. If the Ministry discovers—"
"I had no choice," steel threaded through his voice. "I must protect Mother. Whatever the cost."
Something tightened in Hermione's chest. This Draco Malfoy bore little resemblance to that arrogant schoolboy. The man before her would sacrifice everything for his family.
"It will kill you," she maintained her grip on his arm, feeling the magic pulse beneath his skin. "Dark rituals always exact a greater price than they give in return."
"You think I don't know that?" He wrenched his arm free. "I've watched this magic at work since childhood. Witnessed how it slowly drove my father mad, how it poisoned everything it touched. But now..." His voice caught. "Now I have no choice."
As his words broke, Hermione watched his eyes change—the grey iris darkening until it was nearly black.
"There's another way," she turned back to the table, frantically leafing through the diary. "Cassandra writes of sharing the burden—"
"No." His voice cut like a blade. "Don't even consider it."
"Why? Because I'm a Mudblood?" The words escaped before she could catch them.
Draco whirled to face her, something raw and painful flashing across his features.
"Quite the opposite," his voice dropped to barely a whisper. "You're untouched by darkness."
Hermione froze, struck not by the words themselves but by their delivery. For the first time, his tone held neither contempt nor mockery—only a strange, almost desperate sincerity.
"I'm not some helpless girl, Malfoy. I can—"
The words died in her throat as Draco suddenly clutched his chest, his face contorting in agony. The dark lines on his skin flared like fresh ink.
"Something... something's happening," he forced the words out. "The protective barrier... someone's trying to breach it..."
Hermione rushed to the window. Through the pre-dawn gloom, she saw a faint silvery glow pulsing around the manor. Where the barrier met earth, black fog was coiling.
"He's here," Draco growled. "Selwyn's here."
Narcissa's scream pierced the silence, echoing from deep within the manor.
Malfoy lunged for the door, but his legs buckled—maintaining the barrier had drained his last reserves. Hermione caught him, pulling his arm across her shoulders.
"Together," she said, her tone brooking no argument.
They hurried through dark corridors where portraits of Malfoy ancestors whispered in their frames. The absence of another scream proved more terrifying than the first.
"Mother!" Draco's voice echoed off ancient stone as they burst into Narcissa's room.
She stood by the window, spine rigid as steel, her wand clutched in bloodless fingers.
"There... in the window," her voice remained steady, but Hermione saw the tremor in her wand hand. "In the fog. He's watching me."
The black smoke coiled especially thick outside the window, gathering around Narcissa's chambers like a shroud. For an instant, Granger thought she glimpsed a familiar maniacal gaze within its depths.
Draco stumbled, and Hermione tightened her grip around his waist. She felt his heart racing beneath her palm, felt the dark magic pulsing through his skin like a fever.
"The barrier's weakening," he whispered through clenched teeth. "I can't... can't hold it..."
"Then don't hold it alone," the witch turned him to face her. "Let me help."
"No... you don't understand... this magic, it—"
"I understand more than you think, Malfoy," she drew her wand. "If you'd read the diary properly, you'd have seen—Cassandra warned against using this spell alone. She described a ritual for merging magic."
"It's too dangerous!"
"Yet that didn't stop you, did it?"
Their eyes met. Darkness swirled in his—a remnant of the ritual—but behind it she saw something else. Fear. Not for himself. For her.
The black fog outside the window thickened, taking human form. Draco muttered a curse and seized her hand.
"If something goes wrong—" he began.
"Shut up, Malfoy." Brown eyes blazed with determination. "Just show me what to do."
Their fingers intertwined, wand tips meeting. Draco began the incantation—ancient words that made the air grow thick and electric. Hermione felt something dark and primordial creeping up their joined arms, seeking entrance to her blood.
"Don't resist," he breathed between phrases of the spell. "Let the magic flow freely."
The sensation was like plunging into ice water. Darkness enveloped her, seeping beneath her skin, whispering in a language as ancient as the earth itself. But where their hands touched, warmth bloomed—a strange fusion of light and darkness.
The dark lines on Draco's skin began to shift, interweaving with a new pattern—light, like threads of silver. Hermione felt similar marks racing along her own arms, but in reverse—where his darkness yielded to light, her light gave way to shadow.
"Look!" Narcissa's voice cut through the air.
The protective barrier around the manor flared with renewed vigor—where before there had been only silvery radiance, now black and silver streams interwove, creating an intricate pattern that mirrored the markings on their skin.
The black fog recoiled from the window as if scorched. The figure within it convulsed, and for a moment Granger saw a face—twisted with hatred and madness.
"Traitor!" The voice seemed to emanate from everywhere and nowhere. "You protect a Mudblood with your magic, Malfoy? How far you've fallen..."
"Get out," Draco snarled through clenched teeth. His grip on Hermione's hand tightened to the point of pain.
"You think this will save you?" The fog writhed, shifting through grotesque forms. "You think she'll purify your blood? No, Malfoy. The darkness is already within you. It's part of what you are."
"I said, GET OUT!"
Magic exploded between them in a searing flash of light. Hermione felt something within her resonating with Draco's power, their energies weaving into a single force. The barrier flared with renewed intensity, and the fog dispersed with a lingering, inhuman howl.
The silence that followed rang in their ears. Draco swayed, and Hermione barely managed to catch him. They sank slowly to the floor, still clasping hands—breaking contact seemed physically impossible.
"I hope you understand what you've done," Malfoy said, his voice heavy with bitterness. "This ritual... it created a bond. Now part of my darkness will always reside within you."
"And part of my light will dwell in you," she kept her hold on his hand. "Perhaps that was the point?"
The door burst open. Harry stood on the threshold, other Aurors visible behind him. Hermione caught his startled gaze and only then realized how this must look—she and Draco Malfoy, nearly embracing, surrounded by the lingering glow of their merged magic.
"We received a distress signal," Harry said carefully, his gaze deliberately avoiding their joined hands. "What happened?"
Draco was the first to break contact, rising slowly to his feet. But it was too late—the bond had formed, and they both knew it.
"What remarkable timing, Potter," Malfoy's voice dripped with venom. "Come to play hero after it's all finished, have you? Your protective charms was a joke by the way..." He looked at Hermione. "Now you understand why I needed a contingency plan?"
Only then did Harry grasp what had transpired.
"Dark magic, Malfoy?" He shook his head. "You know the terms of your release."
Draco looked toward his mother, still standing by the window in silence. Pale, shaken, but alive.
"I'm prepared to face the consequences," the former Death Eater lifted his chin. "Whatever—"
"It was my idea," Hermione cut in. "After studying Selwyn's runes, I realized such power could only be countered with its own weapons. On Samhain, when the veil between worlds grows thin..." she faltered, feeling the dark lines pulse beneath her skin, "any other protection would have proved useless."
Draco froze, surprise flickering across his features. His lips parted, as if he wanted to say something, but he remained silent.
Hermione felt the weight of their scrutiny—Harry's searching gaze, Draco's look of concern, Narcissa's oddly knowing expression. Heavy silence filled the room, broken only by the fire's soft crackle. She herself couldn't fully explain what had compelled her to lie, to protect Malfoy. Perhaps it was the moment she'd glimpsed his true self. Or maybe it was the way he'd looked at her during the ritual—as if fighting against himself, struggling with the desire to shield her from his darkness. The lines on her arms pulsed like a second heartbeat. "I hope you understand what you've done," Draco's voice echoed in her mind, but she silenced it, squaring her shoulders. Whatever came next, she had made her choice. And though her mind still sought logical explanations, her heart already knew—some decisions need no justification.