Over the past few days, Harry had followed the reading list Wizet gave him, studying all sorts of material on "Occlumency."
The more he learned, the more he realized that mastering Occlumency was not nearly as easy as he had imagined.
Coupled with that earlier conversation in the Headmaster's Office, Harry had been living in considerable anxiety these past few days.
He worried that Voldemort might notice something, then use that strange connection to mislead him into making bad judgments that would affect the people around him—especially Sirius Black.
Because of that anxiety, he had been having nightmares every night, dreaming that Voldemort had misled him and caused his friends and elders to disappear one by one.
Although he knew they were nightmares, he could not help worrying that if he failed to master Occlumency soon enough, the events in those nightmares might really come to pass.
Hearing Wizet say this, Harry asked in pleasant surprise, "You can lower the difficulty of learning Occlumency? Wouldn't that mean we can master it faster?"
"If you're only using Occlumency to protect yourself..." Wizet explained, "then it is possible to lower the difficulty of learning it."
"As I mentioned earlier, advanced Occlumency not only empties the 'room,' but also fills it with new 'furnishings' to mislead the wizard casting Legilimency."
"We can work backward from that purpose and derive a method for learning Occlumency, though this method will be somewhat unconventional..."
"Work backward to derive a method for learning Occlumency?" Draco seemed to think of something. His eyes lit up as he said, "New 'furnishings' aren't the only things that can fill a 'room'!"
"Other things can fill the 'room' too! Like the pursuit of 'glory'... Fill the room with conviction, with emotion!"
Wizet understood what Draco meant. "The Illumination Spell... right?"
"Of