"It seems you have many questions," Jincheonhui said, to which Samabyeong replied, "I must learn whatever I can."
His thirst for knowledge was impressive.
Jincheonhui answered everyone's questions with a faint smile.
Each person was eager to learn even a little of Jincheonhui's skills.
It was something all physicians longed for.
Being recognized for one's medical skills in the Medical Pavilion was not an easy feat, making it even more desirable.
However, Jincheonhui was different.
Despite the smile on his face, his heart was heavy.
Returning to his quarters, Jincheonhui changed his clothes and sighed.
"Ha..."
He scratched his head and sat down on the floor.
"As expected... I'm still lacking in many areas. Especially, I need a suction device and antibiotics. Without a clear view, I can't even perform surgery. Martial artists who can manipulate objects in the air are rare, so it's not something that can be used on many patients. And without antibiotics after surgery..."
Yooho did his best.
It was a level where nothing more could be expected.
But he was not omnipotent.
In modern times, items that are naturally found in any hospital were absent here.
It was frustrating not being able to use even half of his skills.
The anxiety was maddening.
The biggest reason was something else. 'The master's condition is also not good.
If I don't prepare in advance, it will be dangerous.
I can't predict what variables might arise during surgery.
A person's life is not a game, and once you open the abdomen, it's too late.'
Thinking this far made his throat dry.
So Jincheonhui didn't notice someone quietly entering his room.
"These are words I've never heard before. So, are you still lacking?" "Oh! Master?" "I didn't want to disturb you as you were deep in thought, but I couldn't help but be curious."
It was fortunate that he hadn't voiced his worries about his master.
"I was pondering over some improvements that could be made after today's surgery."
"The heads of the four families were making a fuss as if there was a festival, but you look like you've seen the end of the world."
"Haha."
"You're laughing again. Don't overdo it."
Jegallin patted Jincheonhui's head.
Jincheonhui closed his eyes.
The large, cold hand felt pleasant.
It resembled the temperature of a snake.
If he could warm this hand, Jincheonhui felt he could do anything. 'Because my master's life is at stake.'
If it were just about treating patients, Jincheonhui might have been able to rejoice today.
Normally, saving patients who couldn't be saved with his knowledge would be the greatest reward for a doctor.
But Jincheonhui saw the limitations before the rewards. 'It's not enough.
This alone is far too insufficient.' Then it was something he had to overcome.
If he did nothing, his master would die.
"I want to create something new, Master."
"There's no need to be impatient."
"I have to treat you, Master! At this rate, there will be a limit."
Jincheonhui's mouth formed a straight line.
Jegallin eventually chuckled at his disciple's expression.
"How cute. To think the one who will treat my body is such a small disciple."
He laughed for a long time, as if he found something amusing, and then said, "So, what do you need me to do?" "I think I'll need to borrow Yooho for a long time."
"Hmm?" "I need to make penicillin."
Penicillin.
The first antibiotic discovered by humanity.
Jincheonhui decided to throw him into the cultivation hell. 'Let's create a cultivation room.'
The surgery at Unryong Escort Agency.
The surgery on Wang Gakyeon.
And the recent appendectomy.
Through these surgeries, he realized more clearly.
The energy called 'qi' is indeed a great power, and the spiritual pills are miraculous medicines from legends, but they can never replace antibiotics and advanced medical devices.
Even if he couldn't create advanced medical devices, he had to at least make antibiotics.
The reason was simple.
Antibiotics can be mass-produced, and their effects are absolute.
So Jincheonhui planned to make Yooho the first nurse and the fairy of the cultivation room in the martial world. 'Wow, our Yooho has two jobs! I'm envious.
Hey! A nurse and a developer and producer of pharmaceuticals! Very nice!'
Not knowing the amount of labor Yooho would face in the future, the master asked, "Penicillin? Alright. I'll make arrangements at the Medical Pavilion so that he can come whenever you command. But will that be enough?" Jincheonhui nodded.
"Of course, Master! How outstanding is Yooho's talent? I'd be grateful for his help."
"In a way, I'm envious. To be able to receive so much living knowledge by your side. If only my body were in good condition, I could do the same."
Not knowing the truth, the master simply envied Yooho.
"No, Master, it's more important for you to maintain your position. You saw the appendectomy, right? Surgery is an extremely risky treatment. If something unexpected happens during your surgery, there's nothing I can do."
"So, there's a time limit even during surgery."
Jincheonhui smiled bitterly. 'The time bomb during surgery is a problem, but daily life is also an issue.
It's more like a landmine.
You never know if it will explode a year later or today.'
He could only hope that his master's internal energy would hold out.
Jincheonhui said, "Please stay healthy until then, Master."
"Yes, I promise, my little doctor."
Neither asked for Yooho's opinion.
The first fairy of the cultivation room in the martial world! It was truly a beautiful name.
Thus, Yooho gained yet another new occupation.
For him, it was a matter of shedding tears of blood.
Jincheonhui's daily routine became extremely busy.
He spread knowledge about surgery to the physicians at the Medical Pavilion and gave lectures on the book he wrote with Yooho's help.
He also conducted dissection practice on deceased bodies and squeezed in martial arts training.
And the most important task.
He began developing penicillin.
Penicillin is a beta-lactam antibiotic extracted from blue mold.
This much can be found with a little research in an encyclopedia.
However, few know that mold is sensitive to temperature, light, and humidity, and even if all these conditions are met, sometimes it just doesn't grow. 'Why won't you grow? What's the problem? The professor did it in one go, so what's your issue?'
Biology is not like mathematics.
No matter how much I pray over the culture dish, if it doesn't grow, it doesn't grow.
It's truly the mindset of a mushroom farmer.
Especially blue mold is sensitive to air, and extraction and purification are hell.
Even if hundreds of flasks are used, the amount gathered is only enough for one person's use.
It's also difficult to administer orally, and its half-life is short, so its effect is limited.
The method Jincheonhui used was the immersion culture method using a large fermentation tank, the deep tank method discovered during World War II.
"I prepared it as you said, but is this really correct?" Yooho had prepared the ceramic tank needed for penicillin production at Jincheonhui's request.
"Oh, this is nice."
Though it was made of ceramic instead of metal, it wasn't bad.
"The Medical Pavilion members are hugging the fermentation tank below?" "Yes. Using the Five Elements Heart Method Wind (風), they have to continuously stir the bottom with air."
Thus, the first cultivation fairy (=slave) in martial history was created.
On Earth, a machine motor would have done this, but Jincheonhui decided to use manpower. 'Well, isn't this all for saving lives? Moreover, the master mentioned that the Medical Pavilion members have been neglecting their internal energy training lately.' Additionally, the qi of this world aids in the growth of all things.
So, he had some hope that the same blue mold might be a bit better.
Yooho said with hollow eyes, "I haven't mastered the Five Elements Heart Method, but I can handle wind energy. The master said I should do the initial cultivation since it's already made."
What on earth is that guy's identity? Jincheonhui thought as he smiled brightly.
"Yes, blue mold is sensitive. With Chief Yoo, I feel assured."
"Once fermentation is complete, the Medical Pavilion member who has mastered the Five Elements Heart Method Ice (氷) will rapidly cool the fermented liquid for purification, right?"
Around 3 to 5 degrees would be good.
The acidic water to be used at this time should be around pH 2. However, since there was no way to measure it accurately, they decided to strictly quantify the amount of internal energy used and the method of making the purified water.
After removing impurities in this way, they would make it into a pill form and store it in the coolest place in the pharmacy.
This was the plan. 'But there are too many variables.' Even if they managed to stabilize the quality of penicillin, there was no guarantee that it would work on people in this world as it did on Earth.
They had to start with experiments on mice and proceed step by step.
Jincheonhui said, "This is all for the master."
"Haha, every time I think of the workload, I feel a murderous intent towards you, young master."
As a nurse, he was studying, working as a cultivation slave, training juniors, and handling various chores. 'Maintaining the oxygen inside the cultivation tank will be key.' The nutrient to be used during the growth phase of the mold is lactose.
They planned to use cow and sheep milk.
Later, when they entered the full-scale production stage, they intended to test things like canola oil. 'Antibiotics are essential for the master's surgery.' Originally, he would have forgotten the penicillin manufacturing method itself.
However, thanks to the Hyeonwonjeondanshingong, he began to remember even the things he had studied fleetingly in the past clearly.
"And here are the things you requested."
Yooho brought out the surgical tools Jincheonhui had requested additionally.
Jincheonhui focused most of his attention on the syringe needle.
After examining it for a long time, he asked, "Can you make the needle thinner?" "Huh? Thinner than this? To make it thinner, it would be faster to request it from the blacksmiths of the Tang Clan, known as the home of hidden weapons."
Jincheonhui sighed.
"Then, even if it means requesting it from those blacksmiths, please do."
"Is this also to save the master's life?" "Yes."
"Ha, I can't win against you, young master. Alright, I'll try to arrange it."
"Thank you."
Jincheonhui expressed his gratitude sincerely.
"Before I kill you, young master, I'll die of overwork first, really."
At those words, Jincheonhui grinned.
"You're not going to teach me how you manage to do all those things at once, are you?" "No, it's a secret, young master."
Yooho grumbled as he diligently noted down the additional requests Jincheonhui made.
The members of the Medical Pavilion watched him with great curiosity.