The Potions classroom at Hogwarts was a cavern of shadows, its flickering torchlight casting eerie shapes across the stone walls. The air was thick with the scent of simmering ingredients—dragon blood, asphodel, and something faintly metallic. At the front of the room, Severus Snape loomed like a dark specter, his black robes billowing as he surveyed his students with a gaze that could curdle milk. His eyes, sharp and unyielding, lingered just a heartbeat too long on Cassiopeia Blade, seated at her cauldron near the back of the room.
Cassiopeia felt the weight of that stare like a physical touch. Her raven-black hair spilled over her shoulder as she leaned over her potion, her piercing green eyes narrowing in defiance even as her Omega instincts prickled beneath her skin. She shifted in her seat, hyper-aware of Snape’s presence, the brooding Alpha whose mere proximity set her nerves alight in ways she refused to acknowledge.
Snape’s voice cut through the silence, a low, dangerous growl that seemed to reverberate in the hollow of her chest. “Precision,” he began, pacing slowly, his hands clasped behind his back, “is the difference between a potion that heals and one that kills. Today, you will attempt to brew the Volatilis Elixir—a potion so volatile that a single misstep could reduce this classroom to ash. I trust you imbeciles will manage not to incinerate yourselves, though I hold little hope.”
Cassiopeia bit back a smirk, though an involuntary shiver danced down her spine at the raw authority in his tone. She glanced sideways at her desk partner, Theo Nott, a sly grin tugging at her lips as she murmured, “Ten Galleons says someone blows up their cauldron before the hour’s out. My money’s on Goyle.”
Theo snorted, keeping his voice low. “I’ll take that bet, Blade. But only because I know you’re itching to sabotage him yourself just to win.”
“Oh, please,” she shot back, her tone dripping with mock offense as she diced her shrivelfig with a flick of her wand. “I don’t need to stoop to sabotage. My brilliance is sabotage enough for the lot of you.”
“Careful, Cass,” Theo teased, his eyes glinting with mischief. “Talk like that, and Snape might actually notice you exist. Wouldn’t want to steal his heart—or whatever black void passes for one.”
She rolled her eyes, but her retort was cut short as Snape’s shadow fell over the room. He prowled between the desks, his critique as cutting as a blade. “Mr. Weasley, your potion resembles swamp water more than elixir. Miss Granger, your stirring is as erratic as a drunk hippogriff. Pathetic, all of you.”
When he reached Cassiopeia’s station, however, his words faltered for the briefest of moments. His dark eyes burned into hers, a storm of unspoken things swirling beneath their surface. “Miss Blade,” he said at last, his voice quieter but no less intense, “your technique is… adequate. For now.”
“Adequate?” she echoed, arching a brow as she met his gaze without flinching. “High praise, Professor. Should I frame it or have it engraved on my tombstone?”
His lips twitched—barely—but it was enough to send a spark of triumph through her. Still, beneath her bravado, something else stirred. A sudden warmth bloomed in her chest, spreading like wildfire through her veins. Her Omega nature, usually dormant, clawed at the edges of her control, and she gripped her stirring rod tighter, willing herself to focus.
Snape froze mid-step, his nostrils flaring almost imperceptibly as the first hint of her changing scent reached him. His Alpha instincts roared to life, a primal force he masked behind an impassive facade. But Cassiopeia saw it—the flicker of something raw in his eyes before he schooled his expression back to stone.
The air in the classroom shifted. Whispers rippled through the students as sidelong glances darted toward Cassiopeia. Her hands trembled over her cauldron, the heat beneath her skin now undeniable. She gritted her teeth, forcing herself to focus, but the subtle sweetness of her scent grew stronger, betraying her.
“Oi, Blade, you alright?” Pansy Parkinson hissed from the next table, her tone more curious than concerned. “You look like you’ve swallowed a Fever Fudge.”
“Mind your own cauldron, Parkinson,” Cassiopeia snapped, her voice sharp enough to cut glass, though it wavered at the edges. “Unless you’d like me to hex that smirk off your face.”
Pansy raised her hands in mock surrender, but the whispers didn’t stop. Cassiopeia’s pulse raced, her discomfort now a living thing clawing at her insides. She could feel the eyes on her—Alpha students shifting in their seats, their postures tensing instinctively as her scent intensified.
Snape’s voice sliced through the murmurs like a whip. “Enough gawking! Focus on your pitiful excuses for potions, or I’ll have you all scrubbing cauldrons until the next century!” His tone was sharper than ever, but his gaze kept darting to Cassiopeia, a flicker of something—concern, perhaps—beneath the ice.
Her condition worsened, the early stages of her heat hitting like a tidal wave. Her cheeks flushed, her breathing quickened, and the scent of her now hung heavy in the air, unmistakable. She cursed under her breath, her hands shaking as she nearly dropped her ladle.
Snape stepped closer under the guise of inspecting her work, his presence a storm she couldn’t escape. His voice dropped to a low, commanding murmur, meant for her ears alone. “Miss Blade, get yourself under control. Now. Unless you wish to make a spectacle of yourself.”
Her green eyes flashed with defiance as she tilted her chin up to meet his gaze. “Oh, don’t worry, Professor. I’ve got this handled. But if you’re so concerned, maybe you should stop hovering like a vulture and let me breathe.”
Her words were bold, but her flushed skin and ragged breaths told a different story. Snape’s jaw tightened, his restraint fraying at the edges as the scent of her heat coiled around him like a serpent. For a moment, they were locked in a silent battle of wills, the air between them crackling with unspoken tension.
Then, with a suddenness that startled even himself, Snape straightened. “Class dismissed!” he barked, his voice brooking no argument. “Out. All of you. Now.”
The students scrambled to obey, gathering their things as whispers and curious glances flew like sparks. Snape’s gaze, however, locked on Cassiopeia, a silent command in his dark eyes: *Stay.*
As the last of her classmates filed out, the heavy door slamming shut behind them, the tension in the now-empty classroom thickened. Cassiopeia stood by her cauldron, her posture rigid, her breathing shallow. Snape remained where he was, a predator poised on the edge of control, his eyes never leaving hers.
“Well, Professor,” she said at last, her voice low and laced with challenge, “care to tell me why I’ve been singled out for this… private lesson?”
The air between them pulsed with heat, a storm brewing just beneath the surface, waiting to break.
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