After dinner, Ivan didn't return to the Gryffindor common room with Harry and the others, but found an excuse to walk towards the Room of Requirement on the eighth floor, ready to brew a new bloodline fusion potion.

With the experience of boiling potions twice before, Ivan is already familiar with the way, and he takes the potion materials that Dobby bought and processes them one by one before putting them in the crucible.

Potions and when he has reached level six, he no longer needs to use his GPA to temporarily improve his pharmaceutical level when he is brewing bloodline fusion potions.

However, after half an hour, the mixed liquid in the cauldron began to boil gradually under the effect of the magic power, and Ivan saw that it was almost there, so he covered the pot so that no debris would fall into it and affect the effect of the potion.

Considering that the fusion and precipitation of potion materials would take several days, Ivan did not stay in the Room of Requirement all the time, and after telling Dobby to look for the place, he searched for Boggart throughout the castle.

The Boggart in the faculty lounge had been toyed with by those little wizards and blew itself up, so Ivan had no choice but to find another target.

If he remembered correctly, there were other boggarts in the school, the one that Lupin had used to practice calling the gods for Harry, but Ivan had long since forgotten the exact location.

After all, after many years, Ivan can't remember this kind of detail that he didn't pay attention to at all.

If he really can't do it, he has to write a letter to ask Fren or Althea to buy or catch one for him, and send it over...

For the next few days, Ivan spent the days brewing potions and searching for the traces of the Boggart, the former going unusually well, and getting closer and closer to the official completion of the fusion potion.

But the latter made it difficult for Ivan, and he visited all the places that were convenient for Hogwarts, including the professors' offices and staff rooms, but Boggart couldn't find them.

"Are you really going to search the professors' offices?" Ivan has a headache, this is not a good idea, there is no other place to find it except this place, there is no way for Boggart to hide in some secret passage...

Another thing that surprised Ivan was that the old professor had disappeared from the school since he had exchanged the broken time turner for Dumbledore, and he hadn't seen Dumbledore's name on the map for several days.

Ivan was thinking about things in his head until he made his way back to his dorm room when he was interrupted by the sound of Ron and Harry talking about a Quidditch match.

Seeing Ivan push the door in, Harry turned his head and asked.

"Ivan, when I was practicing Quidditch this morning, Captain Wood asked me to bring you a message and ask if you would like to participate in this year's Quidditch, it's still too late to sign up!

Wood says he's leaving school next year, so he doesn't want to have any regrets in one last Quidditch match..."

"I should have told you I wouldn't be participating this year, and if I were to be added, there would be one more person on the Gryffindor team!" Ivan rolled his eyes.

He didn't have enough time these days, and in addition to the full schedule of classes every day, he had to spend hours looking for Boggart, how could he have time to go to the court and practice Quidditch.

Harry shrugged, not paying attention, he was just helping Wood pass a word.

After a busy day, Ivan, who was already a little tired, didn't talk to Harry and the others anymore, and quickly fell asleep on the bed.

But before going to bed, Ivan vaguely felt that he had been forgetting something recently.

......

At midnight, in front of the silent Gryffindor's lounge,

The fat lady is facing the mirror in the painting, humming a little song and leisurely grooming her hair.

At this moment, a calm and magnetic male voice spoke.

"Tired, open the door and let me in?"

"Password!" The fat lady, who hadn't heard too clearly, stopped what she was doing, ready to see which little wizard who went out for a night tour in the middle of the night was so annoying.

But when she turned her head to see the appearance of the person who came, a pair of narrowed Doudou eyes glared at the boss, and her body trembled and she was about to shout...

Sirius, however, moved faster, and he quickly raised his hand, and a white light struck the portrait, and the frightened expression on the fat lady's face disappeared without a trace, and suddenly became very confused.

After hesitating for a while, the fat lady returned to normal, and under the influence of the Confusion Charm, Sirius in front of her had become a little wizard.

"Why are you still hanging out so late, if you don't have a password, don't think I'll let you in!" The fat lady crossed her waist and frowned and reprimanded.

"Well... Let me see, today's password is the light of Wonderland! Sirius pulled out a note from his wizard's robes, looked at it, found the corresponding one, and replied.

"Okay! Let's go inside! Remember to rest early..."The Fat Lady nodded, and a crack opened in the door to Gryffindor's bedroom.

"Of course, ma'am! You—" Sirius nodded slightly, opened the door and walked in, calmly as if he had come to travel.

However, after entering the dormitory, Sirius still sped up, and even if he slipped in through the secret passage, he could not completely hide his figure, and he was likely to be seen by some portrait on the way over.

This adventure sneaked in entirely because he couldn't wait!

He wandered around Hogwarts for a whole month without waiting for Ivan to come to him, so Sirius was a little worried about whether Ivan was having some trouble or had simply forgotten about it.

Sirius felt the need to be reminded!

Also thanks to the fact that when he was stepping on the spot a few days ago, he met a funny ginger big cat and was willing to look out for him.

Recently, the big cat even gave him a note full of Gryffindor lounge passwords for a whole week, which made his movement a lot easier today.

Although he can fool the fat lady with the confusion charm, the password in front of the door of the lounge must still be answered, otherwise the door will not be opened at all!

"This should be it, right?" Sirius sneaked around, and finally found Ivan's bedroom.

"Alaho Cave Open!" Sirius pressed his wand against the door, whispering.

With a soft click, Sirius entered the door smoothly, his dark gray eyes swept the room, trying to find the location of Ivan's bed, but in the end it was frozen in Ron's bed!

Sirius's face gradually became distorted, and even though it was dark at night, he still saw the big gray mouse sleeping at the head of the bed for the first time...

That's what he thinks about day and night, and wants to pull out his cramps... Peter Pettigrew!