Arknights' Lock of Heaven

"This thing... is truly a masterpiece. It allows even a defenseless researcher like myself to fight..."

“No, it’s not a masterpiece,” Xia Yu sighed upon hearing this. “If Leonardo da Vinci himself saw it, he would probably immediately point out ten or eight mistakes and then make major revisions to make it look brand new.”

"Although I'm an uneducated combatant," he said, spreading his hands helplessly, "although I've been trying very hard to understand those obscure magic theories, but... sigh."

"take it easy."

"Da Vinci's relative?" Upon hearing this, the doctor's eyes lit up. "He must have been an extremely learned person, right?"

“Leonardo da Vinci, the omnipotent one,” Xia Yu glanced at her upon hearing this, then replied, “mathematics, engineering, natural history, music, architecture, sculpture, painting, invention, biology, physics, astronomy, geology, weapons development, magic…”

"The Star Pioneers made outstanding contributions to the development of civilization."

At this point, Xia Yu's eyes became somewhat unfocused...

"If only Leonardo da Vinci were here..."

At least I'll have someone to ask those damn obscure magic books.

He wouldn't have to experiment little by little to avoid having any doubts. Thinking of this, he suddenly missed the days of Absolute Demonic Front.

Is this really a human being?

The professor was stunned. "Science, mathematics, engineering, natural history, music..."

"So many fields... and someone you can admire so much... must be someone who doesn't just have a little bit of knowledge, right?"

The doctor gasped, "Is this person... even human?"

“She’s the real deal,” Xia Yu said weakly, a headache coming on as she recalled the books she hadn’t finished reading. “She was my mentor in magic.”

That's true. Back in Absolute Demonic Front, Fujimaru Ritsuka's magical talent was undeniable; everyone who saw her would praise her and say she had a bright future. As for Mashu, as a Demi-Servant, although she had learned some magical knowledge, she could also use it skillfully.

But it doesn't quite reach the level of being a qualified teacher.

Xia Yu's basic magic skills were taught to her by Leonardo da Vinci himself, and the doctor also helped a lot.

If he could return to Type-Moon, he would be the disciple of the omnipotent Leonardo da Vinci and the magic king Solomon, which would be incredibly prestigious.

Haha.

"So where does this all-powerful person work now?" The doctor's eyes lit up at this question. "I wonder if..."

"Don't even think about it, it's impossible," Xia Yu rolled her eyes at her and sighed. "There's already a barrier between us that's thicker than life and death (referring to the world). Believe me, I want to see her more than you do."

Hmm, I have a whole bunch of questions in my head waiting for dear Leonardo da Vinci to answer them.

"Oh, a barrier (time) thicker than life and death," the Doctor unsurprisingly misunderstood upon hearing this. "Then it's alright."

“But if it’s developed to the point of altering the climate and environment…” she looked down at the barrier spell beneath her feet, “would you be interested in finding a few students?”

The doctor smiled and said to Xia Yu, "Such a great skill cannot be lost. Aren't you Yan people the most particular about passing on your traditions?"

"How can this end in your hands?" the professor urged. "Since the past cannot be undone, we should focus on the present and look to the future!"

"It would be wonderful if your skills could be passed down and flourish. Otherwise, it would be a tragedy if no one in the world knew of the existence of such a genius as Leonardo da Vinci a hundred years from now."

She became more and more excited as she spoke, "In this life, all we seek is fame and fortune. What do people like us want?"

The professor pointed to the Siesta volcano beneath his feet and said, "Do you know how many scholars have come here after word of the volcano and Pompeii spread?"

"There are countless researchers who study biology, natural disasters, volcanoes..."

"Many people dream of publishing a paper in the most prestigious journals and naming a theorem or formula after themselves."

"For what? To leave a mark on history!"

"A person dies three times in their life. The first time is when the doctor sighs helplessly and announces that your heart has stopped beating."

"The second time, at the funeral, relatives and friends looked at your portrait and wept uncontrollably."

The doctor patiently explained, "The third time is when those who remember your name gradually forget you, and then they die..."

"A thousand years from now, so-called emperors and generals will be nothing more than a handful of yellow earth, and how many people will know their names?"

"As long as civilization stands, those most basic formulas, theorems, and natural laws will be passed down without end."

Even thousands of years from now, people will still be reciting your name. At that time, they will be proof that you existed in this world.

The PhD student said excitedly, "People like us shouldn't just pursue our own basic needs; we should strive for greater ideals."

"And in your hands lies the key to changing the world!"

She firmly grasped Xia Yu's hand, "We can change this world!"

“Hmm, that seems to make some sense,” Xia Yu said with a smile, stroking her chin. “It’s just the student’s problem…tsk, this is very important knowledge, we can’t let someone with bad intentions get it.”

His face was filled with righteous indignation. "If I were to harm the world, wouldn't I have to apologize to the people of Terra?"

“That’s a good question,” the doctor nodded seriously, “but don’t worry, I have plenty of reliable candidates here!”

"Oh?" Xia Yu smiled. "Then who is this so-called reliable candidate?"

“It’s me,” the doctor said, pointing to his own nose with a sincere expression, “Look how suitable I am!”

314 Magic is not suitable for Terra

"Look how perfect I am!"

The doctor tried to sell himself to Xia Yu.

"First of all, my many doctoral degrees prove that I am not an ignorant person, I just have amnesia."

"When it comes to academics, I've always been second to none!"

She proudly raised her head. "Secondly, I have amnesia. I'm a blank slate now. Aren't you tempted by such an excellent blank slate?"

"Besides, I know you inside and out. We're both from Rhodes Island, so we're old acquaintances," the Doctor said with a chuckle, nudging Xia Yu with his elbow. "What's that saying again? 'Those who are near the water get the moon first.'"

"Hmm, let me think about it," Xia Yu said, and began to look the Doctor up and down with a serious expression. Seeing this, the Doctor straightened his chest, raised his head, and looked proud.

"We need to do a proper test," he said seriously.

"How do we measure it?" the doctor asked, his face full of curiosity.

“Just like that,” Xia Yu reached out and pressed down on the top of the 1.6-meter-tall doctor’s head, rubbing and kneading it from left to right, “Don’t move, let me take a good look.”

Upon hearing this, the doctor felt that this person was probably just playing a trick on him, but when he thought of those amazing magic tricks, he gritted his teeth and endured it.

After a long while, Xia Yu finally had her fill of hand-holding before withdrawing her hand under the doctor's watchful gaze.

"Well, how should I put it..." Xia Yu hesitated, wanting to say something but stopping herself.

"So? Do I fit the bill perfectly?"

The doctor was full of anticipation.

"Unqualified!"

Xia Yu, with a wicked grin, sentenced her to death.

"How could it be substandard?" Hearing this, the professor became agitated, grabbing Xia Yu's hand and glaring at her as he protested, "There's something fishy going on! I won't accept this!"

"I'm sorry, you don't qualify," Xia Yu's formulaic smile was like a spring breeze. Why could a formulaic smile be like a spring breeze?

Because he was genuinely happy!

"Then you have to give me a reason!" The doctor snapped, "If you don't give me a straight answer today, I... I'll bite you to death!"

She threatened him while grinding her teeth.

“The reason is simple,” Xia Yu said, her smile fading as she sighed, “You don’t have the qualifications.”

"Aptitude? What aptitude?" Upon hearing this, the professor's eyes darted around, and he pressed on, "Is it learning ability or comprehension..."

“Neither,” Xia Yu shook her head. “You don’t have a circuit.”

"A circuit?" The doctor was stunned. "What circuit?"

Another word I've never heard of before.

"Magic circuit".

Xia Yu explained, "It is the innate source of magic for every magician."

"The number of simulated nerves and magic circuits within a magician's body represents the quality of their aptitude as a magician. It is the path to transform life force into magic power, and it is the path closely connected to the foundation and grand magic formula."

Upon hearing this, the doctor was stunned, as if he were listening to something completely foreign.

“No magic circuits, no magic crests,” Xia Yu shook her head, her face full of innocence, “Then there’s nothing I can do.”

"It's fine if there's no imprint, but there's not even a circuit, so it's completely cut off from magic."

"No matter how long you study, all you can learn is pure theory; in reality, you can't even release a single magic missile."

"Even though there are all sorts of unorthodox methods that allow you to use magic, the reason they are called unorthodox is because the price you have to pay for them is too high."

Xia Yu looked at the professor and said, "Are you willing to give up all of your life except for the remaining two years to gain the right to use magic?"

Hearing this, the doctor shook his head frantically. She wasn't completely desperate and had no choice but to risk her life. She couldn't do this kind of losing business.

“That settles it then,” Xia Yu shrugged. “I advise you to give up.”

"Even if I teach you, you're just wasting your time."

Hearing this, and seeing Xia Yu's serious expression, the professor sighed.