บท 20: The Third Defense
"I want to go back."
Elena lowered her gaze, avoiding Dumbledore's eyes, looking at Dumbledore's long and silver beard end, and whispered.
If you want to tell Elena to choose the person she would least like to encounter in the magical world, there is no doubt that it must be the headmaster of the famous Hogwarts School of Witchcraft and Wizardry, Albus Dumbledore.
Not only because of his superior magical strength but more importantly, Dumbledore is a master in mind reading - in other words, he is akin to Professor Charles' mind-reading ability in "X-Men."
Unlike other wizards who need to rely on spells and wands, masters like Voldemort and Dumbledore who are experts in telepathy do not need to recite mantras when performing telepathy. They can easily complete mind reading with just a glance. Therefore, when someone lied to him, he could always accurately discern it.
Originally, there are no legal restrictions on the use of telepathy because when Snape taught Harry, Dumbledore did not hesitate to use it when seeking help in an emergency. Obviously, Elena and I do not believe that Dumbledore is so qualified as to not probe into her mind.
Keep in mind that Elena, being a time traveler, has too many secrets she cannot divulge. From the moment she woke up in the Gryffindor common room, Elena had been pondering how to overcome this level.
"Do you seem afraid of me?"
Dumbledore glanced over the slightly trembling shoulder of the girl, shrugged helplessly, and said softly. "Am I that ugly? You know, I used to think children quite liked me."
He was increasingly curious about the silver-haired girl in front of him. Whether it was her magical piano song before or her understanding of the magical world in general, she seemed so different.
"It's not fear; it's simply an annoying, disrespectful distraction."
Elena took a deep breath and tried to calm down, she lifted her head bravely, fearlessly looking directly into Dumbledore's eyes, realizing that blindly fleeing at this point obviously made no sense; it was better to attempt a direct confrontation.
"I don't think it's necessary to keep chatting with a thief who has broken into someone's mind."
In general, in the wizards' knowledge, there are only two ways to resist telepathy.
The first method is to avoid eye contact as much as possible and distance oneself from the operator to reduce the success rate of telepathy.
However, Elena believes that this method may not be as effective for Deptrido as a powerful telepathy master.
The other is to learn mental concealment like Professor Severus Snape, to close the mind against magical invasion and influence, and even allow the mind to lie while avoiding self-exposure.
It is equivalent to a defensive spell aimed at capturing the mind, but this is also unrealistic for Elena.
However, in Elena's opinion, wanting to hide her thoughts does not mean she should be expelled from her mind. In fact, there is a third type of confrontation.
That is, to use rigorous scientific knowledge to fight against the mysterious magical power.
Elena struggled to empty her mind and began to recall a complex variety analysis mapping she learned in college: Lie Group E8, a team of 18 of the world's top mathematicians with their tireless efforts, lasting four years, completed one of the most complex mathematical structures in the world.
This was also the only way she could think of to resist Dumbledore's telepathy that day during the tour of Hogwarts, which likely would allow the thought to be detected but not understood.
Li Qun was invented by the 19th-century Norwegian mathematician Sophus Lie while studying multidimensional symmetry. After E8 was proposed in 1887, not many people could comprehend its structure until now.
It is used to explain the phenomenon that symmetric objects can move freely without changing their shape. E8 explains the symmetry of objects in 57 dimensions. One reason is that only senior mathematicians will know that E8 itself has 248 dimensions.
The reason Li Qun E8 was chosen is that many scientific projects require processing a large amount of data, but E8 computation is an exception: the data required for input is very small, but the output itself is huge and very dense.
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