She came to the table, took a sip of tea, looked at him seriously and said, "Now we have to think about how to make the antidote. If the emperor doesn't wake up within seven days, it means his time is up. Even a god won't be able to save him."

Rong Zhen was changed by her and quickly began to think along with her pace.

"This antidote... do you know?"

Seeing Rong Zhen's suspicious look, Gu Yunru knocked on the table and said solemnly: "Of course I know. I haven't practiced in vain in the mountains for so many years. However, some of the medicinal herbs are very rare. In addition, it is snowing heavily now. Let alone the medicinal food nearby, it is difficult to get fresh medicinal herbs even from the medicine shop. I must go there myself!"

"I'll go with you."

"Um."

Early the next morning, Gu Yunru and Rong Zhen came to the bustling market. There are several customs in Gaolan City. Strangers coming here must report to the government office and change into the uniform clothes here, which are nothing more than clothes often worn by some ethnic minorities. There are many rules here, so it is very difficult to unify. If a war breaks out between ethnic groups, it will be resolved privately.

Arriving at a pharmacy, Gu Yunru knocked on the table and asked nonchalantly, "Boss, do you have any good ambergris?"

The shopkeeper was already in his sixties, and his eyes were blurry so he couldn't hear clearly what she was saying. Gu Yunru patiently yelled a few words in his ear. Rong Zhen was trying to hold back his laughter. Gu Yunru's throat was almost dry from shouting, but the old guy finally understood.

"Yes, yes, this is top-quality ambergris!" The shopkeeper took out the ambergris, and Gu Yunru took the dry medicine and smelled it, and he could tell whether it was a precious Chinese medicine. He patted the table and said, "Old Pixiu, are you kidding me? You should know how much fake is mixed in this thing!"

Rong Zhen frowned curiously and asked, "How do you know this stuff is fake?"

The old shopkeeper was also frightened by Gu Yunru's attitude and refused to admit that the stuff was adulterated. Ambergris is a dried product of essence and animal secretions, which is equivalent to gold. It is obvious that this kind of shop is full of fakes.

"This is the most precious Chinese medicine among all kinds of animal excrement. It is extremely rare. I was wondering, how could this pharmacy have ambergris!"

The old shopkeeper still said stubbornly: "Girl, you can't say that. This is the best spice, only the palace can use it."

"Bah, bah, bah, do you think I don't know that ambergris is a precious Chinese medicine that can invigorate blood circulation, nourish the essence, and clear the blood vessels, cure diseases, and strengthen the human body. How much of this is real and how much is fake? I have no shortage of money, but if you dare to fool me with fakes, I will make you pay!"

Rong Zhen was afraid that if Gu Yunru continued to be so arrogant, she would attract the attention of passers-by, so he pulled her aside and said, "There are plenty of ambergris in the palace, why do you have to buy it here?"

"Are you really stupid? This place is still a long way from the capital. Even if someone sends it here, it will take seven days. By then, we don't know if the young master can survive..." Gu Yunru calculated the time in his mind. As long as these three precious herbs are found, it is possible that the emperor can survive for a while. But if there is no herb like ambergris, then other herbs will be even more scarce.

Just when the two were at a loss, an old woman came in with a basket in her hand. She wrapped the things inside tightly, took them out and placed them on the table.

"Shopkeeper, I have some top-quality ambergris here. Would you like to take it?" Gu Yunru's eyes lit up and she walked towards the old woman. The old woman was wearing a headscarf and her skin was wrinkled, but the ambergris in her basket was genuine. She put her nose close to it and sniffed it, then nodded with satisfaction and said, "How about this, Auntie? You can sell it to me at any price!"

After finishing the deal with the lady, Gu Yunru walked to the street in high spirits, hooked her arm around Rong Zhen and said, "Well, this is what they call when you are at the end of your rope, there is always a way out. It seems like we are still lucky!"

"That's great indeed. What are we going to look for next?"

Rong Zhen felt warm at the sight of her showing off her smug look, and he looked at her tenderly.

Gu Yunru touched his chin and thought about it carefully.

"Another kind is velvet antler, which is taken from the tender horns of male deer before they grow into hard bones. You can find such male deer deep in the forest. I remember that we shot a few pheasants, hares and so on in the mountains before.

Why don't we go to the woods again and have a look. If we can find it, we can get the freshest velvet antler, which is effective only if it contains hair and blood." Rong Zhen nodded and planned to accompany Gu Yunru to the woods to look for this kind of male deer in the afternoon.

The old woman who had just sold the ambergris to Gu Yunru walked into the Kuanzhai Alley, transformed herself and took off all the things on her body. It turned out to be Du Juan. A cold smile appeared on Du Juan's lips.

In the afternoon, when the sun was shining brightly, Gu Yunru, dressed in men's clothes, walked side by side with him and finally arrived at the forest. From a distance, it looked very gloomy.

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"It's right here, let's go down first." Gu Yunru was carrying a bow and arrow on his back. Although his kung fu was not very good, he could still do basic horse riding and archery with ease.

Rong Zhen walked into the woods and felt a negative energy coming towards him. He held Gu Yunru's hand tightly and repeatedly told her not to stay too far away from him, otherwise he would not be able to protect her in time if anything happened. At this time, the two seemed to see something moving in the woods. It passed by their eyes in the blink of an eye. Unexpectedly, they saw a stag.

However, this male deer is relatively large, and its antlers may have grown into hard bones, so it is not convenient to take the antlers from this male deer.

"Find a smaller male deer." Gu Yunru said to him in a low voice, and Rong Zhen nodded.

The deeper they went into the forest, the thicker the humidity became, as if a vast expanse of white fog filled their vision. In just half an incense stick of time, the two of them were separated. Rong Zhen was about to go look for Gu Yunru, but he didn't expect a big black bear to come towards him.

The big black bear looked very angry, as if it was scolding the visitor for disturbing its sweet dream. Next to the big black bear lay a smaller stag, which the big black bear had bitten to death. The bear was enjoying the delicious meal, and when it saw someone suddenly appear in front of it, it thought the person was here to compete with it for food.