“Look!”
Something was shining on the wall ahead. They approached slowly, squinting through the darkness. Foot-high words had been daubed on the wall between two windows, shimmering in the light cast by the flaming torches.

THE CHAMBER OF SECRETS HAS BEEN
OPENED. ENEMIES OF THE HEIR, BEWARE.

“What’s that thing — hanging underneath?” said Ron, a slight quiver in his voice.
As they edged nearer, Harry almost slipped — there was a large puddle of water on the floor; Ron and Hermione grabbed him, and they inched toward the message, eyes fixed on a dark shadow beneath it. All three of them realized what it was at once, and leapt backward with a splash.
Mrs. Norris, the caretaker’s cat, was hanging by her tail from the torch bracket. She was stiff as a board, her eyes wide and staring.

Harry Potter and the Chamber of Secrets - Chapter 8 : The Deathday Party
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