These days, Harry had been following the Booklist Vizet gave him, learning all kinds of information about "Occlumency";
The more he learned, the more he discovered that mastering "Occlumency" was not actually as easy as he had imagined.
Added to that earlier conversation in the Headmaster's Office, Harry had actually been quite anxious these past few days.
He was worried Voldemort would notice something, then use that strange connection to mislead him, making him make certain wrong judgments that would affect the people around him—especially Sirius Black.
Precisely because of this anxiety, he had been having nightmares every night these days, dreaming that he was misled by Voldemort and caused the friends and elders around him to vanish one by one.
Although he knew he was having nightmares, he still could not help worrying that if he could not master "Occlumency" as soon as possible, perhaps the things in those nightmares really would happen.
Hearing Vizet say this, Harry asked with some pleasant surprise, "It can lower the difficulty of learning 'Occlumency'? Doesn't that mean I can master 'Occlumency' faster?"
"If it's only using 'Occlumency' to protect yourself..." Vizet explained, "then the difficulty of learning 'Occlumency' can be lowered."
"I mentioned just now that advanced 'Occlumency' not only empties out the 'room,' but also places new 'furnishings' inside to fill the 'room,' using them to mislead the Wizard who casts Legilimency."
"We can work backward from that purpose and derive a method for learning 'Occlumency.' It's just that this method is relatively unconventional..."
"Work backward and derive a method for learning 'Occlumency'?" Draco seemed to think of something, his eyes lighting up as he said, "Actually, it's not only new 'furnishings' that can fill the 'room'!"
"There are other things that can be used to fill the 'room' too! For