The battle in the Department of Mysteries was raging, the air crackling with tension. Sirius, locked in an intense duel with Bellatrix, was giving everything he had. The sound of curses and explosions filled the room, and for a brief moment, Sirius was distracted, leaving him exposed.

Before Bellatrix could strike, a powerful shield appeared between them, deflecting her curse. Sirius looked up, startled. His eyes scanned the room, searching for the source of the protection. And then, to his surprise, he saw you standing there, calm amidst the chaos.

Sirius's heart skipped a beat as he saw you. You had never been involved in the Order's missions, and yet here you were. Beside you stood a young girl, around 13 years old, her eyes wide as she clutched your side, seemingly unaffected by the battle.

The realization hit him like a ton of bricks.

The girl wasn’t just any child. She was his daughter.

Sirius blinked, unable to process the shock. You had kept this from him. Why hadn't you told him? His emotions were a tangled mess of confusion and hurt, but there was no time to address it. The battle continued, and Bellatrix wasn’t going to wait for him to recover.

—“You…” Sirius managed to say, his voice thick with disbelief. “She’s…”