"Parseltongue" and the Basilisk (3)

"Hiss—open."

The sound flowed from between his slightly parted lips, not a vibration of air, but a vibration of magic.

Its frequency was so low that human ears could not hear it. Yet when it struck the faucet, when it struck that ancient magical mark covered in verdigris, it was like a key inserted into a lock that had been sealed for a thousand years.

The faucet moved. It did not turn slowly; it spun violently. Verdigris burst from its surface, fragments falling into the sink with faint, glass-shattering sounds.

The faucet rotated once, twice, three times, then stopped. Then the sink began to move. It did not shift or slide; the entire sink split down the middle like a door being opened and slid apart to either side.

The crack extended downward from the faucet, reaching the bottom of the sink, the floor, and beneath the flagstones. It grew wider and wider, until it was large enough for a person to pass through. What surged from within was not water or air, but a thick, icy breath carrying the scent of thousand-year-old dust—like something that had been imprisoned underground for too long and had finally found an exit.

Carmichael stood at the edge of the opening, his body leaning forward slightly, but he did not enter. His magical perception was abruptly severed at its edge—not weakened, not disrupted, but as if someone had used enormous invisible scissors to neatly cut away everything beyond the entrance.

The space below the crack was blank in his perception. Not darkness—he could sense darkness. Darkness had temperature, density, the tangible quality of "no light." This blankness was not darkness. It was "nonexistence." It was as if someone had pulled a cloth off a table; the table remained, the cloth remained, but whatever had