Harry finally experienced the feeling of being "squeezed out of a rubber tube" as Ron said. He felt that this description was a bit of an understatement. Pressure surged from all directions, and the eardrum issued a strong warning. It was as if there were several layers of iron hoops on his chest and he couldn't breathe.

If it were in reality, his sweat would have soaked his clothes.

Not only Harry, but Ron and Hermione couldn't stand it either. They persisted for two more times and decided to quit. Harry asked, "What if we can't adapt, will we be stuck at this level forever?"

"If you can't even adapt to the followers' appearance, let alone keep you focused and mobilize your magic." Professor Hepp comforted, "You are still young, there is no need to rush."

​​Common room.

The three opened their eyes at the same time, "It's really cool, isn't it?" Harry said.

Ron smiled and said, "More than cool, it's really cool!" He put one hand on his forehead and made a weird posture, "I'm a silly boy from the countryside."

Harry laughed, and Hermione looked puzzled.

"Gentlemen, is this the latest popular joke?"

"Oh, Hermione, this is a sentence from "The Adventures of Little Wizard Mick". Whenever Mick sees something he doesn't recognize, he will say this..."

Hermione shrugged and said dryly, "It's really funny."

Then, the days passed one by one, and Felix successfully added the alarm spell to the Marauder's Map. The rest was left to time, allowing time to brew everything.

When Harry handed him the paper on Apparition and the nameless book, he was surprised to find that a month had passed.

Entering March, the weather became clearer. Looking from the castle to the direction of the Forbidden Forest, you can already see obvious green, but the wind has also increased. The biting wind hurts people's faces. Every time an owl appears in the hall, its feathers are curled up, which makes these responsible little guys irritable. If you don't open the letter in time and add a few owl food, they will peck your hand angrily.

Felix completed his portrait and sent it to St. Mungo's Hospital for Magical Injuries and Maladies. For him, the most time-consuming thing is not to inject memory, but to cast a lot of protective magic.

If anyone dared to use a Stunning Charm on his portrait, that person would definitely find a huge "surprise" waiting for him. Originally, Felix didn't think so much, but he went to the Black mansion to read books many times, so he naturally had this worry.

It was the first time for him to understand the home of a pure-blood noble so deeply. He could see traces of magic almost every two or three steps. He regarded this place as a relic buried deep underground and then seen the light of day. Combined with the true and false stories he heard from Mundungus, it was quite interesting.

Felix also found out one thing by the way. Kreacher had known him for a long time. The ugly scream he heard when he tried to break into the Black mansion for the first time belonged to this old house-elf.

"What can Kreacher do? When he found someone trying to break in, he could only activate the defensive magic in the house."

...

Number 12 Grimmauld Place.

"So you knew this place a long time ago!" Sirius said in surprise.

"I told you that I got a little help from the Black family." Felix raised his mouth.

"Who told you?" Sirius demanded, "Wait a minute, Phineas Nigellus Black, my great-great-grandfather! You asked me where his portrait was!"

He said sarcastically, "His portrait is much more sensible than when he was alive. Could something have gone wrong when injecting memories into it?"

Felix whispered, "He hoped that I would let you go, let the only descendant of the Black family live under Dumbledore's nose, even though you were the most notorious fugitive in Azkaban at the time."

"..."

"Although you are now," he added.

Sirius looked at him speechlessly and said angrily, "Thanks for the reminder. You make me feel like an ungrateful bastard, but if you knew how I lived when I was a child... Never mind. I'll go and keep an eye on the Marauder's Map if nothing else."

"The Marauder's Map has an alarm spell and doesn't need anyone to watch it."

"Then I'll go clean up the room!" he said angrily.

Felix stopped teasing him and his expression became serious: "Let's get back to business. I'm here to tell you not to come to my office recently. I won't come over either. People from the Ministry of Magic are coming."

Sirius was stunned for a moment: "Ministry of Magic? Why come to Hogwarts?"

"Because of you," Felix said, "There is no more arrogant fugitive than you. The Ministry of Magic has set up a dragnet, but you still show up in Hogwarts, less than three hundred steps away from the castle gate."

"The reasons Dumbledore insisted on before were overturned. The school was no longer safe. Parents sent him letters one after another, and he had to compromise... Now the abandoned classroom next to Filch has been converted into a temporary station of the Ministry of Magic."

Sirius said awkwardly: "I didn't think too much. I found two wands and smuggled Polyjuice Potion from the dark wizard in Knockturn Alley, and this plan came naturally."

Felix shook his head and stretched out his arm. "The Marauder's Map is flying!" A stack of parchment flew over with a "whoosh" sound, and he turned and walked into the fireplace. "I took the map. In addition, I don't know if I have the qualifications to warn you that the world is like playing chess. When you make a move, you always have to allow others to respond."

His figure disappeared in the green flames.

Sirius stared at the fireplace in a daze, muttering: "Playing chess? Do you think I can't play?"

"Kreacher!" He shouted.

"Bang!"

An old and ugly house-elf appeared. Kreacher hunched his back, bowed deeply, and put his nose to the ground: "Respected prodigal son, what do you want?"

Sirius' eyelids twitched, and he said with anger: "I have to go out for a while, you continue to clean up the house, I don't care where you put those junk, but don't let me see it, or I will throw them all out."

"Mr. Happ strongly recommends that you don't go out. If he knows..."

"Kreacher! Who is your master?" Sirius said angrily: "Or I will give you to him!"

Kreacher muttered in a low voice, but the voice could be heard by the person on the other side: "Old Kreacher has served the noble Black family for generations. If you insist, I prefer Miss Narcissa."

Sirius was so angry that his nose was almost crooked, and he strode away.

"Where are you going?"

"Muggle community! Learn to play chess! Go and file a complaint!"