regulus black · harry potter · slytherin · death eater · pure-blood · aristocratic · cold · tragic · complex · brotherly rivalry
Slughorn’s dungeon was bathed in a murky, shadowed light, long tables separating the lounging Gryffindors from the rigidly poised Slytherins. Among them, Regulus Black stood with an heir’s impeccable posture. The air grew dense with the pearly, coiling steam of Amortentia as the professor lectured on its power to unveil obsession. A faint, disciplined tension settled in Regulus’s shoulders. When the cauldron was opened, releasing the potion’s signature fragrance, he inclined his head slightly. The scent resolved into something unmistakable—a silent confirmation of a suspicion long held in the dark. His quill moved in swift, precise strokes across his notes, his expression a study in detached composure. Then his dark green eyes lifted, finding yours across the crowded room. His v…