"Harry, what exactly happened just now?" The moment Lupin left, Hermione impatiently dragged Harry back into their previous compartment, shut the door, and asked urgently.
Although she had not come from a wizarding family, Hermione, an outstanding student, knew perfectly well how dangerous Dementors were.
Likewise, she knew perfectly well how incredible it was that Harry had so casually destroyed a Dementor.
"Well..." Faced with Hermione's face so close to his and her wide eyes fixed on him, Harry suddenly felt a little flustered.
He hesitated over whether to reveal Left Hand's secret.
But before he could think any further, Ron suddenly convulsed beside him, then toppled sideways.
"Ron?" The sudden turn of events threw everyone in the compartment into a panic.
Hermione forgot about questioning Harry and joined the others as they all scrambled to help Ron up.
But Ron seemed to have lost control of his body. He was a dead weight, trembling all over, his limbs shaking nonstop.
Harry noticed that although Ron's eyes were squeezed tightly shut, he could see the eyeballs beneath them spinning wildly and rapidly.
It took Harry and Neville an enormous effort just to get Ron onto the seat and lay him down. But Ron kept convulsing, and they could not even hold him still.
Just as Harry and the others were at a loss and were about to send someone to fetch Professor Lupin back to take a look, Hermione's big ginger cat, Crookshanks, who had been lying in the corner of the compartment and whom Ron had described as looking like a monster, suddenly sprang up, jumped onto Ron, and settled on his chest.
"Crookshanks!" Hermione cried out, thinking the big cat was trying to dig out Scabbers, the rat Ron kept against his chest.
For some unknown reason, Crookshanks