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A few days passed quickly, and Byron successfully used the "blood flow control device" to adjust the blood crystal essence and convert it into blood essence that can be absorbed by the human body. The next step, which is the final step, is to use the magic energy core to make the crystal nucleus of the inscription.

Leo basically couldn't help with these two tasks, and the teacher also needed an absolutely quiet environment, so most of the time, he honestly read a book, or practiced the Byronic shrinking technique that he was basically about to master, and occasionally helped with some things and chores.

After dinner that day, Leo was explaining the grammar of the lingua franca to Isha when suddenly a grunt sound, and then it stopped abruptly.

The heart must be that Montoya, that guy is reading and falling asleep again, and Leo doesn't bother to pay attention to it.

Who would have thought that the next moment Montoya's voice sounded, and he was still a little flustered: "Leo...... Leo ......"

Leo hurriedly turned his head and saw Montoya's eyes widen and he pointed at the chubby man on the ground.

At this moment, Chubby still has his eyes tightly closed, but the hair on his neck has exploded, although he is asleep, he still has an instinctive reaction to danger, and his appearance is exactly the same as when he was in the tunnel before. Obviously, Montoya also found out, so he made a prompt.

Leo's heart was pounding, and he quickly raised his hand to stop Montoya, who wanted to speak, and looked at the wooden door of his cabin.

Isha also sensed that something was wrong, blinked her eyes, and did not ask sensibly.

Leo listened intently for a moment, there seemed to be no sound outside, and Chubby quickly regained his composure, as if nothing had happened before.

"Could it be that Chubby has a nightmare?" With this thought, Leo walked lightly to the wooden door, put his ear on it, and suddenly heard a very slight sound of footsteps, which gradually faded away, and finally disappeared, but through the door, he could not judge the specific direction at all.

Leo didn't dare to be careless, and waited for a while, and just as he was about to make sure that he was okay, the footsteps became slightly clearer again, and the sleeping chubby immediately became uneasy.

"Cover its mouth, don't let it make a noise!" Leo said to Montoya, lip syncing.

Montoya immediately understood, and hurriedly squatted down and covered her chubby mouth, but her deep guttural voice could not completely cover it.

Leo had no choice, and while listening to the footsteps outside, he opened his mouth to recite the "Principles of Elementary Mathematics": "The first major category of mathematics. It is the study of the internal laws of the mathematical structure itself according to the internal needs of mathematics, or possible future applications, and does not require a direct connection with the solution of practical problems in other disciplines. The second largest category of mathematics. It focuses on the application of mathematical tools to solve magical problems. The mathematical tools used in the problem-solving process are the basic mathematics ......"

It didn't take long for the footsteps to disappear again, and Chubby regained his calm for the second time.

After waiting for most of the day, Leo could finally confirm that the people outside had left. He opened the door and saw that the corridor was empty, and finally completely relieved, at least if it was really that person, his target should not be himself.

When Montoya saw Leo returning, she finally couldn't bear it anymore and asked, "What did you find?"

Leo frowned and replied, "I heard footsteps. ”

Montoya's face suddenly became even more ugly, and he said worriedly: "Is that ......?"

Leo's face was solemn, and he nodded: "Very likely." ”

Seeing him say this, Montoya was already starting to fidget, and hurriedly asked, "Is it possible that Chubby has nightmares?"

Leo thought for a moment and said, "I had this thought before, but it shouldn't be, it's been sleeping for so long, it's never had a nightmare, and even if it does, it shouldn't be so coincidental with the sound of footsteps." ”

The riddle-like conversation between the two made Isha quite dazed. The girl coughed lightly and asked, "What are you two talking about, I can't understand it?"

"Oh, that's it......" Montoya preemptively told Isha about what had happened in the tunnel.

After listening to Montoya's speech, Isha was also a little scared, and said: "Then let's go and report to someone, if someone really sneaks into the castle and destroys it, it will be bad." ”

Leo sighed and said, "That's what I said, but we haven't seen anyone, and we have no evidence, even if we report it, who will believe it." Even if you believe that person can sneak into the castle, it must be quite difficult to deal with. In case of a surprise, the situation will only get worse. ”

Montoya pulled her hair, almost crazy, "Then what do you say?

Leo stretched out his hands and said helplessly: "I don't know what to do." ”

"Why don't we go and sue Teacher Sù, Teacher is so powerful, he should be able to find that person soon." "Montoya built yì road.

Thinking of Byron, who has been working hard to make the essence of his blood in the past few days, and his whole person has lost weight, Leo categorically vetoed: "No, the teacher is having a very important job now, and he can't be distracted by this matter." What other powerful people are in the castle?"

"Neither my father nor Uncle is here, neither is Ievee, only Uncle Brecke, but he ......," Montoya said, disgruntled, "We all warned him last time, and we ended up getting mixed in." I don't think it's going to be useful if we go to him again. ”

For a while, both of them were at a loss.

At this time, Isha suddenly remembered someone and said, "Why don't we go to Master Vanessa, she will definitely be able to investigate." ”

"Vanessa......" Leo silently pronounced the name, and the experience of contact with her also came to mind, and he hesitated.

Montoya clapped her hands and said, "Isha is right! That woman is very powerful, and if she sues her, she will not alarm others." ”

Remembering that Vanessa seemed to be helping herself last time, and that she was indeed the only one in the castle now, Leo nodded in agreement. Although he knew that Vanessa was usually in the Black Prison and had been there once, he didn't know the exact location, so he asked, "Montoya, do you know where the Black Prison is?

"You know, it's not far, it's only ten minutes away. Shall we go now?" Montoya stood up, looking anxious.

Leo looked outside, and it was already completely dark, so he also stood up and said, "Go now, so as not to have too many dreams at night." But now it's dark, Isha, don't go. ”

Isa looked at Leo pitifully and pleaded, "Let me ...... I'll go too, leave myself here alone, I'm a little scared......"

Leo pondered that it was indeed better to take Isha with him, so he said, "Okay, let's go and come back quickly!"