Lena was in a daze. He only felt that he was shuttling through the street. Everything around him became extremely slow. Only he and the other side were still moving normally.

The feeling lasted for a few minutes, and with a constant sense of overweight, Lena stopped.

He felt like his stomach was tumbling. He almost vomited what he had eaten at noon. Lena was wobbly and unstable, but he still looked at the people in front of him.

The man, with white hair and whiskers, looks old and has a ragged and loose robe. He can't see his identity. He yawns and takes out a chair to sit down.

"Boy, you are lucky to meet me."

He said, in a low voice, which seemed to reverberate in the small room.

It was only at this time that Lena noticed where he was. It seemed to be a room somewhere with poor furniture, but it had accumulated a lot of dust. It didn't look like someone had lived for a long time.

The lighting of the room is very poor. It's rather dark in the evening. A ray of sunset light comes in from the crack of the window and just falls on the other person's face. The dust in the air is scattered and shimmering. Half of the person's face is in the sun, and the other half is still in the shadow, showing a wonderful sense of picture.

"Who are you?"

When he saw that he didn't mean anything, he stood and waited until his disgust disappeared. He always felt that he had seen him, but he couldn't remember where he was.

"You don't care who I am. I'm just here to give you a drink."

Then the old man picked up an empty cup from the table and handed it to Lena.

"Wine?"

Lena took the glass and found it full of ale.

"Ah..."

he just remembered that when he attended the annual academic conference of mercury balance, he once paid for the wine of a tramp in the bar, and the tramp was the old man in front of him!

I didn't expect that the random actions at that time would affect the present.

Lena looked at the glass of clear ale in front of him and sipped it. It was mellow and delicious. It was the most advanced wine.

This old man, the magic level is not ordinary!

Although it can be seen from the previous move that the old man let at least five ring anpecos lose his fighting ability with one blow, his magic power is very strong, but it is this glass of wine that really embodies his skills.

According to the specific situation, void creation involves from the simplest magic to the most difficult magic. Simple as fireball, it can produce unstable compounds in a short time. Difficult as this glass of wine in front of us, it not only keeps stable, but also has a specific composition. You know, even the bread made by high-level mage's food making technique has a good taste It's no different from sawdust. This level of ale requires extreme energy to design a magic model before it can be made.

However, the old man waved his hand so gently that a glass of wine appeared in front of Lena, which was as light as breathing.

Who the hell is this?

Laina was in doubt. Although he didn't know all about it, he basically knew the name and the simple situation. But he never heard of anyone who was like this old man, wandering on the mainland, traveling around like a tramp, and even being swept out of the pub because he had no money.

Experience life? Weifu private visit?

Lena didn't feel able to understand each other's ideas.

"How did you find me, sir? What am I here to do? "

The old man's magic power crushed anpecos and naturally crushed Lena. It's impossible for him to sneak away. Since the other party is not willing to tell Lena his identity, Lena can only ask what the old man is going to do now. After all, if he only saves people, he just needs to defeat ampecos. There's no need to catch Lena here.

"I was just passing by. I felt a little familiar here, so I came."

The old man's explanation did not reveal any information, he stroked his beard and said.

"I need you to help me with a few problems."

Hearing the word question, Lena seemed to understand something and asked.

"What's the problem?"

The old man looked at Lena and threw out a piece of paper.

There is a problem of solid geometry on the paper. Lena takes a look at it and gives an answer soon.

The old man glanced at Lena's answer, nodded with satisfaction, and took out another piece of paper.

It's a differential equation on the paper, and Lena gave the answer very quickly.

They asked and answered one by one. Soon, the old man answered ten questions one by one. They were all right. These questions involved mathematics and mechanics, as well as alchemy. Lena noticed that there were complete solutions to many of these questions. It seemed that the old man had not been exposed to the current magic theory for a long time What's the point?

"Yes, you have talent."

The old man nodded slightly, put away these questions, and then spoke quietly."I want to ask you, what is the essence of magic?"

"This..."

when Lena heard this question, he was speechless. He didn't know whether the other party was going to discuss the meaning of magic in philosophy with him or whether he really wanted to find out the essence of magic in theory.

You know, legendary mages have been trying to find the root of the problem for so many years, but they have achieved nothing, and they can't even put forward constructive conjectures.

Lena didn't know enough about magic, and naturally he couldn't think of anything.

"I don't have enough knowledge to think about it."

He replied that it was not that Lena was not curious about the problem, but that in the case of insufficient understanding, there might be a lot of extremely stupid guesses, meaningless.

"Yes, a little self-knowledge."

The old man nodded admiringly and then spoke.

"The more I study magic these years, the more I find that our magic is developing towards some unspeakable places. I know something, but I can't say it."

His vagueness aroused the curiosity of Lena.

"Boy, have you ever considered why high-level magic can make better use of magic than low-level magic, and why magic is spontaneously attracted and used by high-level magic?"

The old man was silent for a moment, and suddenly asked.

Lena knows that the standard to distinguish between high-level magic and low-level magic is the utilization rate of magic. This is because magic will be spontaneously used by high-level magic, but no one knows why magic has such a nature.

Some people are pursuing the so-called ultimate magic, that is, magic with the highest utilization rate and reaching 100%. They think that they can reach the essence of magic and get answers to all questions. Unfortunately, the results of the current attempt are not optimistic.

"Have you ever thought about such a problem, boy?"

Seeing that Lena didn't speak, the old man asked again.

"Why is the utilization rate of magic so low?"

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