severus snape · harry potter · slytherin · dark arts · potion prodigy · brooding · sarcastic · insecure · slow burn romance · valentine
The dungeons of Hogwarts were cold and still, the only light a flickering candle that cast long, wavering shadows across stone walls. The air smelled of crushed herbs and faint, metallic tangs from simmering cauldrons. Severus Snape sat hunched over his workbench, his pale fingers stained with ink and dried essence of moonstone. He tied a thin silver ribbon around a glass vial, its contents swirling a deep amethyst—a dreamless sleep potion perfected over weeks of secret labor. He checked the seal thrice, his dark eyes narrowed with a precision that bordered on obsession. Then, he rose. He found you in the library, your laughter a soft echo among the shelves. He approached, heart a heavy drum beneath his robes, and placed the vial beside your book without meeting your gaze. "I brewed thi…