"You know how to do alchemy?"

Ning Long frowned, obviously a little unwilling to believe that the man in front of him could do alchemy, although he was the god of war, but this god of war was only a title in terms of combat, not in terms of alchemy, so he said that he would do alchemy now, which was not very credible. It is very likely to be a treasure that deceived Ning Long.

Immediately, the system frowned, and then shouted:

"Master, don't believe him, he must be trying to cheat you about your treasure!"

Ning Long looked at the demeanor of this demon god of war, and said word by word:

"Okay, but I have a premise! I want to test your alchemy skills first!"

"No problem, you can take the test!"

The demon god of war didn't seem to have anything to fear, smiled faintly, and said lightly.

"Okay, sit there! I'll test you, cough cough, listen up!"

Ning Long's expression suddenly changed a little, and then, he pointed to a place not far away, motioned for him to sit down, and then took out the most important and authoritative book of Dan Dao——— Wandan Treasure Book!

"Ahem, how many grades of the Nine Heavens Xuangong Pill is?"

Ning Long coughed lightly twice, and then, with a wave of his palm, he turned a page slightly. Looking at the pictures and records in the book, he asked unhurriedly.

"Eight pins!"

This demon god of war did not hesitate at all, and at that moment, he quickly said it!

"Master, what he said must be wrong!"

Ning Long hadn't answered yet, but the system took the lead in asking.

"Oh, you little girl, people haven't spoken yet, what are you talking about!"

The demon god of war seemed to be a little dissatisfied, glaring at the system, a little angry.

"Hmph, you old pervert, now that the master is here, what do you dare to do with me?

The system seemed undaunted, unscrupulous, and said loudly. He even made a funny face!

"You, you, you little girl, the old man should discipline you!"

This demon god of war, as he spoke, was about to stand up, and he didn't have the demeanor of a demon god of war at all, on the contrary, he was completely a child's temper.

"Alright, you two be quiet!"

Ning Long glanced at the two of them with some anger, and then said:

"By the way, what's your name?"

"Me?"

The demon god of war was a little puzzled, pointed at himself with his finger, and then asked.

"Or else?"

Ning Long rolled his eyes and looked at him a little helplessly.

"I'm famous, majestic....... (500 words omitted at this point!)"

"That's enough! to the point, all this useless nonsense!"

Ning Long was a little helpless and said lightly. But those who have a heart will definitely find that their words are already full of anger!

It's like a fuse, it ignites when you touch it!

"Uh... Okay, my name is Feng Changkong!"

Feng Changkong was a little helpless, but it also realized that it had been talking nonsense all the time just now, and it couldn't help but blush.

How can the demon god of war have any demeanor, and after being forgotten by the demon for so many years, he has also become a child's temper, and he has no previous demeanor.

"Okay, you're right about that question just now, come, let's continue!"

Ning Long glanced at him, and then said lightly:

"What temperature of flame is the most suitable for refining the Nine Heavens Xuangong Pill?"

"In terms of temperature, it's hard to say, if you use ordinary flames, this temperature of about 57,800 degrees is about the same! But if you use dragon flames to refine, about 60 degrees is enough!"

Feng Changkong thought for a moment, and then replied, and this answer is almost not much different from the real answer!

Ning Long was a little shocked in his heart, but he didn't say anything, coughed, and then continued to ask with some praise:

"The efficacy of the Nine Heavens Xuangong Pill?"

"If it is the Nine Heavens Xuangong Pill refined by the peak of the Nine Grades, it can save the dying person, and if it is used in cultivation, it can directly improve the eight small realms to start, but the premise is that it is under the realm of the Human Sect!"

There is no pressure at all in the style, and it is said in its entirety as if it is familiar with it.

Ning Long swallowed a mouthful of saliva, and then continued to ask.

.......

Two hours had passed in the dantian, but only five minutes had passed outside!

"Okay! You can refine it! But, the premise, I have to wait until you refine it successfully before I can hand over the teeth of the deep sea shark to you!"

Ning Long closed the Wandan Treasure Book, and then glanced at Feng Changkong, his eyes were as flat as ever, but only those who really knew him could find the kind of eagerness and burning in his eyes!

"Well, I know that! Give me the herbs!"

Feng Changkong took the medicinal herbs handed over by Ning Long, and was suddenly shocked:

"Just these herbs?"

"Well, what's wrong?

Ning Long didn't know why, so he asked with some confusion.

"This grade of medicinal materials is too rubbish, even if it can be refined, it is only a lower grade, and it is completely impossible to refine a high grade!

Feng Changkong looked at Ning Long with a look of disgust, and then raised the medicinal herbs in his hand, looking unhappy and disgusted!

"Uh..... Anyway, just these medicinal materials, the lower grade is enough, the peak, you don't need it!Hey, wait, you can't refine it, so you can't say that these medicinal materials are rubbish, right?"

Ning Long suddenly thought of something, his brows twitched, and his eyes looked at Feng Changkong with a touch of playfulness.

"Hmph, this emperor can't refine such a grade of elixir? Look at it! Hehe! But if you fry, you can't blame me."

Feng Changkong pretended to be calm, coughed lightly twice, and then looked at Ning Long with some embarrassment.

"Well, it's fine. Anyway, if you can't refine it, I'll drive you out of the dantian, and as for the teeth of the deep-sea shark, don't think about it!"

Ning Long looked at Feng Changkong with some playfulness, Feng Changkong looked embarrassed, but he still said stubbornly;

"Hehe, you must be underestimating this emperor too much! This emperor is killing the emperor of heaven and death, and a mere pill will stump me?"

Immediately, Feng Changkong smiled faintly, and with a wave of his palm, a Dan furnace flew out of his chest.

The Dan furnace is black and brown, and a mysterious and strange pattern is engraved on it, and on each pattern, there seems to be some heavy killing gas!

This furnace is in the shape of a hemispherical shape, with brackets underneath, but they are connected together, and then the brackets below are not at all the same, they are red, and they surround the bottom of the furnace like tree roots.

Looking at Ning Long's surprised expression, Feng Changkong smiled and said proudly:

"This is my baby, devouring the dragon!"