Chapter 81: Small-Class Lesson [bonus]
After that, the castle fell completely silent.
Wrapped in a Disillusionment Charm, Regulus slipped out of the Slytherin common room.
The corridors were empty. Portraits dozed in their frames, suits of armor stood motionless, and only the torches along the walls still burned, casting wavering shadows across the stone.
He deliberately expanded his senses.
His magic spread outward, brushing through the air, catching even the faintest disturbance.
At the same time, his spatial awareness unfolded. Within its range, the castle's structure formed clearly in his mind, every seam in the walls, every turn in the corridor, even the subtle eddies of moving air.
No house-elves and no signs of surveillance.
He wasn't surprised.
Dumbledore's observation was likely intermittent, not constant. Perhaps nothing had been arranged tonight or perhaps the elves were busy elsewhere.