Lupin left to rescue the other young wizards, while the four of them obediently remained in their compartment.
Clearly, they all knew that aside from Lupin, there were probably very few people aboard the Hogwarts Express who could effectively drive away Dementors.
So, being good little wizards meant not going out and causing trouble for Lupin.
Kane, meanwhile, watched Dementors streak past the window one after another and excitedly prayed that one of them would hurry up and come inside.
Unfortunately, the Dementors seemed to sense the faint, dim glow of the Patronus Charm emanating from Harry's wand. They naturally and cowardly bypassed this compartment.
As a result, while the entire Hogwarts Express was in chaos, they still had time to chat in their compartment.
For example...
"Want to play cards? Blackjack?" Kane raised an eyebrow and pulled out the tarot cards he had bought in Diagon Alley. He had even specifically asked the old lady who made them to print playing-card symbols on them.
Unfortunately, no one in the compartment understood his sense of humor. Even Harry kept his wand raised and did not respond.
The compartment remained tense until Hermione spoke up. Even then, she was not asking Kane to play cards, but asking about something important.
"What was the spell Professor Lupin just told you not to use?
Kane shrugged. "It's a Patronus Charm with the opposite effect. For example, a real Patronus Charm can drive away Dementors, so mine probably attracts them.
U
"Ah..."
After Kane explained how his spell worked, they all fell silent with solemn expressions. What could they say?
Professor Lupin had done the right thing!
But unlike Ron, who merely sighed in amazement, Hermione, who had actually read about the principles behind the Patronus Charm, wore a different expression.
She seemed to