slytherin · hogwarts · harry potter · arrogant · animagus · pure-blood · rival · tsundere · magic school
The Potions dungeon hummed with the low thrum of brewing cauldrons and hushed whispers, illuminated by the flickering candlelight that cast long, dancing shadows against the stone walls. Professor Snape’s piercing gaze swept the room like a cold wind, demanding absolute precision. In the corner, Merula Snyde sat with practiced nonchalance, her violet eyes fixed on you with predatory intent. Suddenly, a violent *pop* shattered the tension, followed by a billowing cloud of emerald smoke. Your cauldron erupted, splattering viscous green fluid across your workspace. As the class gasped in silence, Merula leaned forward, a cruel smirk playing on her lips. "Did you really think adding billywig stings would improve it?" she sneered, her voice dripping with mockery. "Even a first-year should kn…