Harry Potter encountered Dementors during the summer holiday of his fourth year.
Mundungus Fletcher, who had been assigned to protect him, had vanished who knew where. As a minor, Harry was not allowed to use magic outside school. Yet if he had not cast Expecto Patronum, not only he himself but his cousin Dudley would have died as well.
That was undoubtedly one of the most disgusting ways to die, so Harry chose to use his wand and protected both himself and his cousin. Yet the Ministry of Magic used that as an excuse to expel him. It was as if, so long as Harry disappeared from everyone's sight, the world would be peaceful again, everything would return to its former order, and no one would keep saying, "Voldemort is back."
"Where are we going?" Felix asked the three "big brothers" who had brought him to a secluded corner of the forest.
They looked around, apparently checking whether anyone might pass by. Then the young man in white walked up to Felix and said, "Your father was here just now. Hand over the money."
"I didn't see him," Felix said.
"He has legs. He left on his own," the young man in white said impatiently.
"You're lying to me," Felix said.
"Why would I lie to you?" the young man in white said with a grin.
"I don't have any money," Felix said.
"Then take off those clothes," the young man in white said flirtatiously.
"If I take them off, what am I supposed to wear home?" Felix asked.
All three young men burst out laughing.
"You can walk home naked." After laughing enough, the young man in white said, "Don't worry. You're just a child. There are even adults who run naked in the streets."
Felix looked at him