My master gave me a death mission: to go down the mountain and retrieve his granddaughter.

"Alright, I was just kidding. Don't take it so seriously. You're a grown man, why are you still so easily scared? Come and sit down, I really do have something to tell you."

With Su Muchen's permission, Shen Beishan sat down opposite Su Muchen with a somewhat apprehensive air, but still kept his head drooping, looking just like a child who had done something wrong.

"Since I promised to teach you medicine, I won't go back on my word. This medical book records many difficult and complicated diseases, as well as their treatment methods. Go back and study it carefully on your own. If you encounter anything you don't understand, feel free to come to me."

Su Muchen took out an old-fashioned parchment book from his backpack and tossed it to Shen Beishan.

In a panic, Shen Beishan received the parchment book and stared at it intently for a long time before slowly stroking its surface with trembling hands.

"This...this could be...the ancient book that was recorded and lost for many years...the Complete Record of Medical Treatments"

Shen Beishan's voice trembled as he spoke, showing just how excited he was.

"Wow, you old man, you're quite knowledgeable. You even know about the 'Complete Record of Medical Treatments,' which has been lost for hundreds of years. It seems you have some medical skills."

Su Muchen was somewhat surprised that Shen Beishan knew of the existence of "Complete Record of Medical Treatments". You see, this book is a collection of difficult and complicated diseases encountered by famous doctors from various eras, as well as the treatment methods for these difficult and complicated diseases.

This ancient book was collected into the library by the then-master of "Tianmen" hundreds of years ago and is no longer displayed to the world.

After hundreds of years of historical changes, very few people know of the existence of this ancient book, let alone have read it. Therefore, Su Muchen was surprised that Shen Beishan knew about this ancient book.

"Replying to my master, I only saw a brief record of it in an ancient medical book. According to the book, it is a treasure of traditional Chinese medicine throughout history. It is said that whoever obtains this treasure will have medical skills comparable to the best in the world."

How could Shen Beishan not be excited? As far as he knew, there were unofficial historical records that mentioned that the reason why famous doctors in ancient times, such as Hua Tuo and Sun Simiao, were able to be regarded as medical saints of their time was because they had all obtained this book, "Complete Record of Medical Treatment".

In other words, the achievements of these ancient medical sages were all due to this ancient book. Possessing this book is equivalent to possessing an achievement that will be remembered for thousands of years, which is the highest honor for a physician.

"What do you mean by the number one person of our time? It's not as exaggerated as you say. It's just that this complete record contains more difficult and complicated diseases, and the treatment methods break the common thinking in the medical field. It's not as miraculous as you say."

For Su Muchen, this ancient book was merely a means of treating certain ailments, a rather useless possession. After all, he possessed extraordinary internal strength, and with the help of the Thirteen Divine Needles, no ailment was a problem for him.

"Master, you...you really intend to pass on this treasure of traditional Chinese medicine to your disciple?"

Even now, Shen Beishan still can't believe that the medical skills Su Muchen taught him were such a treasure.

"What? You're not interested?"

"No, no, no, it's not that I'm disgusted, but this treasure is just too precious. I feel like I'm dreaming."

Shen Beishan gently flipped through the pages of "Complete Records of Medical Treatment" as if he were caressing his own child, afraid that he would tear it if he used too much force.

"Alright, put it away for now, and look through it slowly when you get back. I have something important to tell you now."

Seeing Shen Beishan's infatuated expression, Su Muchen knew that if he didn't stop him, he didn't know how long he would keep going on and on.

Upon hearing Su Muchen's words, Shen Beishan reluctantly put away "Complete Record of Medical Treatments," looking at Su Muchen with eyes full of admiration. Anyone who didn't know better would think that this old man had some kind of special fetish.

"Old man, let me be frank with you. The reason I decided to teach you medicine is actually for my own selfish reasons. I don't know if you've ever heard of... Tianmen?"

"Heavenly Gate?"

Seeing the puzzled look on Shen Beishan's face, Su Muchen immediately understood that although the old man was knowledgeable, he had never heard of or seen any records of "Tianmen".

"Tianmen is an ancient sect with a history spanning thousands of years. In ancient times, it had numerous disciples who were knowledgeable in various fields and shouldered the responsibility of protecting this land. Among them, the Medical Altar was mainly dedicated to saving lives and healing the sick."

"What? Our country actually has such a force? Why have I never heard of it?"

"It's normal that you haven't heard of it, because a hundred years ago, during the War of Defending the Country, 'Tianmen' mobilized all its disciples to fight for the country. In this battle, almost all of Tianmen's disciples were killed or wounded. Even the sect leader at the time was seriously injured in the battle with the enemy and soon passed away."

As Su Muchen spoke, his eyes dimmed slightly. These were the words his master had told him. Although he had not personally experienced the war to defend the country, he could clearly feel the devastation from his master's words.

"Although I did not experience that era, I did participate in the counterattack against Yue, and I can feel the scene at that time. It was truly a case of 'Green hills everywhere bury loyal bones, why need a horse's hide to wrap the corpse for return'. The war to defend our country back then was truly too tragic."

Shen Beishan could sense Su Muchen's sorrow. Upon hearing about the war against the Wei Kingdom, Shen Beishan immediately thought of the counterattack against the Yue Kingdom decades ago. He had participated in that battle as a military doctor, and only those who had experienced it firsthand knew the extent of its tragedy.

Although my country won the counterattack in a very short time, it also paid a heavy price, with many loyal souls left behind in foreign lands.

"Hmph... Let's not talk about that anymore. Let's get back to 'Tianmen'. After the war to defend the country, the leader of 'Tianmen' persevered until he found a successor, and then he passed away peacefully. After that, 'Tianmen' disappeared from the world. To this day, there are only the former leader and the current leader of 'Tianmen'."

"My teacher, you mean...?"

Su Muchen had already said all that, and Shen Beishan wasn't stupid; he naturally understood the implied meaning.

"That's right, I am the current leader of 'Tianmen'. The reason I've come out of seclusion this time is twofold: first, to temper my character and strive for a breakthrough as soon as possible; and second, to rebuild 'Tianmen' so that this sect, which shoulders the responsibility of protecting our land, can continue to shine brightly."

As Su Muchen spoke, he unconsciously exuded an incomparably domineering aura, like an emperor, inspiring awe in everyone.

"Old Shen, now you understand why I'm teaching you medicine. I intend for you to become the future head of the 'Heavenly Gate' medical altar, leading your disciples to dedicate yourselves to saving lives and promoting the medical field."

"Yes, disciple will obey the sect leader's orders and will certainly teach the disciples with all my heart. The moment when 'Heavenly Gate' reappears in the world will also be the moment when our medical community regains its glory."

Seeing Shen Beishan's excited appearance, Su Muchen was also a little surprised. He didn't expect to be able to trick the old man into joining him so easily and making him willingly become the altar master.

Su Muchen didn't know that Shen Beishan wasn't fooled by him, but genuinely wanted to become the leader of this medical forum, mainly because of the responsibility of "Tianmen" and he also wanted to be a part of protecting this land of China.

"Mr. Su, Mr. Shen, what are you talking about? Why does the atmosphere seem so serious?"

Liu Ziyan's voice broke the quiet and serious atmosphere.

Su Muchen and Shen Beishan exchanged a glance and immediately understood the meaning in each other's eyes, so they both kept quiet about what had just happened.

"Miss Liu, is dinner ready? My stomach is already protesting."

"Yes, Miss Liu, I didn't even have lunch today, and my stomach is growling loudly."

The old man and the young boy looked so comical that Liu Ziyan burst into laughter.

"Haha... You two, one old and one young, are so adorable. Please take a seat, dinner is ready."