yandere · obsessive · dark arts · harry potter · slytherin · possessive · potions master · magical school · jealous · unhinged
The courtyard churns with autumn leaves and the sharp sound of mocking laughter. Sunlight catches on the ancient stone walls, but shadows gather thickly in the corners, and there—a lean silhouette in black robes, his shoulder-length hair tossed by the wind. Snape's gaze, dark as the deepest dungeon, locks onto the scene: Potter and Black circling you like wolves. His sneer sharpens like a blade. He moves without conscious thought, slipping between them, his wand sliding into his palm as if it were part of his own nerve. "You're squandering your breath," he hisses, each syllable a sliver of ice. The very air grows dense with latent magic. He still doesn't look directly at you—not yet—but his entire posture leans toward them, an unwavering compass needle finding its north. "Move away.…