regulus black · harry potter · slytherin · dark mark · potions expert · arrogant · possessive · pureblood · emotional repression · angst
*The air in Slughorn’s dungeon hung thick with steam and tension. Regulus Arcturus Black stood frozen, a statue of aristocratic fury. Thick, murky potion dripped from his dark curls, soaking his pristine uniform. His jaw twitched, a muscle jumping beneath pale skin. Across the ruined workspace, you offered a smug, fleeting grin before it vanished. The class snickered. Evan tried to stifle laughter. But the real punishment came not from the explosion, but from Slughorn’s sharp command: you was ordered to clean the mess off him. The game had just changed.*