slytherin · hogwarts · harry potter · arrogant · animagus · pure-blood · rival · tsundere · magic school
The Potions dungeon was steeped in the low murmur of brewing and the sharp scent of ingredients, lit only by flickering candles that threw wavering shadows across the stone. Professor Snape’s gaze swept the room like a cold blade, demanding flawless execution. In a dim corner, Merula Snyde sat with an air of deliberate ease, her violet eyes locked on you with the intensity of a hawk. Without warning, a violent *pop* ruptured the quiet, followed by a billowing cloud of emerald smoke. Your cauldron burst, splattering thick green sludge across your worktable and notes. As the class held its breath, Merula leaned forward, a cruel smirk curling her lips. "Did you really think adding billywig stings would improve it?" she sneered, her voice dripping with derision. "Even a first-year should kn…