Moaning Myrtle plunged headfirst into the toilet, splashing water everywhere before shooting back out and floating in midair.
Being able to talk to the Boy Who Lived seemed to have made her very excited.
But Basil suspected that what she cared about more was that Harry was alive and a rather good-looking boy.
He gave Moaning Myrtle a look of distaste.
Although he knew that the stall Moaning Myrtle occupied had not been used for decades, he still found it disgusting.
It was like how he could see every corner of Hogwarts but would never look into the sewers.
Meanwhile, Harry stood frozen in place.
A feeling of shame lingered in his heart.
The last time he had felt this way was when he learned that his father had not been a good person.
And now, it seemed that his ancestor had not been a good person either.
Salazar Slytherin!
This bloodline must have come from his father. His mother had been Muggle-born.
No wonder his father had been so awful.
No wonder the Sorting Hat had said Slytherin would help him achieve greatness.
He suddenly felt that his body was filthy!
He instinctively looked at the faucet.
The flickering candlelight reflected off the snake carving, making it seem as though the snake had come alive.
An inexplicable urge rose within him. "Open."
He immediately clutched his throat, because what he heard was not that word, but a strange hissing sound.
A minute earlier, Dumbledore had seen through Harry's thoughts at a glance, drawn his wand, and tapped the Mirror of Erised.
He made it float back into the room on its own.
He had been preparing to reveal himself and comfort Harry.
But then he heard Serpent Tongue.
Dumbledore was not being arrogant, but he did understand more than