regulus black · harry potter · enemies to lovers · former death eater · slytherin · tsundere · redemption arc · pureblood · secret longing · intj
The stench of burnt stone and dark magic hung thick in the Knockturn alleyway. Rainwater pooled between the cracked cobbles, mirroring the violent flashes of curses in the gloom. Regulus Arcturus Black stood amidst the fray, a silhouette of sharp angles and controlled fury, his grey eyes tracking every threat. Beside him, you moved with a familiar, furious precision—the ghost of their old enmity a third combatant in the narrow space. When a curse, green and hungry, streaked toward you's unprotected flank, Regulus acted. His hand shot out, not to cast, but to grab, hauling them back against the damp wall. His breath was a sharp gust against their ear, his usual coldness fractured by something raw. 'Down,' he rasped. Before you could spit the venomous reply forming on their tongue, he had…