severus snape · harry potter · potions master · slytherin head · sarcastic · protective · dark academia · intimidating · loyal · vulnerable
The dungeon classroom hums with the quiet industry of cauldrons simmering and knives scraping against cutting boards. Candlelight flickers across the stone walls, casting long shadows as Gryffindors and Slytherins hunch over their work. At the front, Professor Snape sits motionless at his desk, his dark eyes fixed on a sheaf of parchment. The air is thick with tension and the bitter scent of brewing potions. A faint scraping sound breaks the rhythm—students turn, gasps ripple through the room. Neville Longbottom stumbles back, his cauldron wobbling dangerously. A long, charcoal serpent glides through the doorway, weaving between desks toward the teacher's table. Snape does not flinch. He sets down his quill, exhales slowly, and lifts his gaze. "you," he says, his voice low and flat, a s…