In an unknown space, a young man with four men emitting golden light followed closely by a rugged man.

The middle-aged man's face was full of panic, a little panicked.

That young man, naturally, was Mu Fan, with his strength, it was naturally easy to kill that humanoid demon beast, but Mu Fan didn't do it, because he needed to find traces of the shape-shifting grass from this humanoid demon beast.

The middle-aged man's speed was very fast, and in the blink of an eye, he came to the vicinity of a high mountain.

I saw that there were clouds and mist on this mountain, exuding a mysterious and unpredictable atmosphere.

And the middle-aged man plunged headlong into the fog, and the news was gone.

Mu Fan stood at the foot of the mountain, looking at the misty peaks, his brows furrowed slightly: "There is actually a big array here?"

"It's normal to have a large array, after all, many of these domain boundary spaces are artificial, maybe this was once a strong man's secret mansion!"

"I don't know what kind of formation this is, if you want to crack it, I'm afraid it will take a while. Mu Fan let go of the power of his divine consciousness and probed forward, and suddenly felt as if his divine consciousness had entered a quagmire.

"It's such a powerful formation, overnight, I don't know if it's enough, if you can't crack this formation today, you can only come again next time. Mu Fan smiled bitterly, he was going to enter the Refining Tower tomorrow, if he couldn't break the formation tonight, then he could only come back next time.

After all, there is only one chance for the Tower of Refinement, and entering this realm space can be done at any time, but it only takes some energy.

However, Mu Fan is not a person who gives up easily, no matter whether he succeeds or not, he has to try, so Mu Fan calmed down and began to study the formation in front of him.

Formation Mu Fan has always been studied, and his divine sense is stronger than ordinary people, so when exploring this formation, he has an advantage over others.

"This big formation, it turned out to be a composite formation?" After studying it, Mu Fan was shocked in his heart, because this formation was actually composed of three different formations.

"Being able to lay out this kind of formation is indeed a big deal, but compared to your Open Heaven Sword, it is far behind. "Ten thousand swords: "There are thousands of formations in your Open Heaven Sword, and there are similarities between formations and formations, so it is not too difficult to be able to do this, as long as you are willing to work hard, you must be able to arrange a stronger formation than this!"

"Don't praise me, let's study the formation!" Mu Fan lined up the distracting thoughts in his heart and continued to devote himself to the study of the big array in front of him.

This formation has a total of three different formations, one of which is a protective formation, one is a trapped formation, and one is an offensive formation, which can be described as an offensive and defensive one, and it is mainly defensive.

Mu Fan slowly entered the formation, and while walking, he studied the mystery of the formation, what he needed to do, as long as he could enter and exit smoothly, and he didn't need to destroy this formation, so relatively speaking, it was much easier.

When Mu Fan's mind was completely immersed in it, he forgot the passage of time.

I don't know how long it took, Mu Fan finally walked out of the fog, and suddenly opened up in front of him, and courtyards appeared.

When he saw these courtyards, Mu Fan immediately understood that there must have been people here, but now there are no people, I don't know.

The middle-aged man was not far away, and when Mu Fan appeared, panic flashed in the middle-aged man's eyes.

However, Mu Fan didn't pay attention to him, after all, there was no grudge between the two sides, this demon beast could transform into a shape, and it could be regarded as a deep opportunity, Mu Fan didn't want to kill it.

His purpose was to transform into grass, because after glancing at the middle-aged man, Mu Fan walked towards the courtyards.

After turning around, Mu Fan didn't find any breath of life, except for the humanoid demon beast.

Mu Fan found that this should have been the place where a sect was located, but for some reason, all the people of this sect were gone, but in the back mountain of the sect, a medicine garden was left.

In the medicine garden, there are many cherished medicinal herbs, among which there are a few transformation grasses.

The Transformation Grass has to grow to more than 3,000 years before it is considered mature, and the medicinal effect is also the best, and the few Transformation Grasses in front of you are all more than 4,000 years old.

The transformation grass of such a year is naturally more precious, which also indirectly shows that the time of existence of this domain space should also be three or four thousand years.

"I don't know what kind of sect is here, it actually cultivates the Transformation Grass, for the human sect, the Transformation Grass should be of little use, could it be that this was once a gathering place for demon beasts?" Mu Fan secretly guessed, after all, there are many demon beasts outside, and the Transformation Grass has appeared here, if it has nothing to do with the demon beasts, it is impossible.

"I don't know if there are any classics in this, maybe just look at it. After Mu Fan picked the three transformation grasses, he went back into those courtyards, looking for some clues.

"Library Pavilion?" Mu Fan suddenly saw an attic, and on the top of the attic were written the three big characters of Library Pavilion.

"Looks like this is it, go in and have a look!"

Mu Fan's eyes lit up, and he pushed open the door that had been sealed for a long time, and a musty smell came to his face.

In the library pavilion, a thick layer of dust had fallen, and when it went down, it directly sank into the calf.

Many of the shelves had no books, just piles of dust, which seemed to have been corroded by the years.

On the top floor of the library pavilion, Mu Fan finally saw a few remaining classics.

"Imperial Beast Formula?" When Mu Fan saw those few volumes of classics, he immediately understood what kind of sect this was.

This beast trick tells the history of the development of the sect, and how to control the beast, it is said that the most powerful genius can control countless demon beasts, but there is only one natal demon beast, and it is also the strongest one.

"This thing can be studied, and if you have nothing to do, you can get a few powerful demon beasts as junior brothers!" Mu Fan turned it over, and then put away this beast trick.

After doing this, Mu Fan hurriedly withdrew from here, and he didn't know how long it had been outside.

This space is very large, and there are a lot of medicinal herbs and secret treasures in it, so I can only come back when I have time later.

"I don't know what time it is, so I'm going outside and asking. After returning to the room, Mu Fan pushed the door and walked out.

When the guards outside saw Mu Fan, they were immediately startled: "Mu Gongzi, we all thought you went out!"

"What time is it?" asked Mu Fan.

"It's already afternoon. The guard said anxiously: "The emperor has already sent someone to urge him three times, if you don't show up again, the emperor will probably send someone to turn this place upside down!"

"Then I'll go into the palace now to see the emperor!" Mu Fan said, entering the palace directly to meet Xia Xinyu.

"You finally showed up, I thought something had happened to you. When Xia Xinyu saw Mu Fan, his eyes were full of concern.

"It's nothing, I studied the concealment formation in the room, and I forgot the time, and I ask the emperor to forgive me!" Mu Fan said busily.

"If it were someone else, the emperor would definitely punish him well, but he would be an exception for you. Xia Xinyu said: "It's not too early now, you can go to the Tower of Refining to report, go to the south, and naturally someone will arrange everything for you." ”

As he spoke, Xia Xinyu threw Mu Fan a token and said, "This is the emperor's warrant, you just give it to the person in charge over there." ”

"It's the emperor, then I'll retire!" Mu Fan took the token, walked out of the palace, and then walked alone towards the Refining Tower.

The Tower of Refining is a landmark building in Xianyang City, so it is easy to find, but due to Mu Fan's late departure, when he came to the Tower of Refining Equipment, it was about to get dark.

Mu Fan observed for a while, and suddenly became puzzled: "This big man doesn't seem to have much wisdom at all! And his strength doesn't have the power that a seventh-level demon beast should have." ”

"This can only explain one problem, that is, this demon beast was transformed by chance, not because it reached the corresponding realm. Wan Jianyi groaned.

"What do you mean?" asked Mu Fan.

"The biggest possibility is the Transformation Grass!" Wan Jian said: "The Transformation Grass is the main medicine for refining the Transformation Pill, if this demon beast eats the Transformation Grass, under certain conditions, it can transform into a human form." ”

"Transformation Grass, Transformation Pill?" Mu Fan's eyes suddenly lit up when he heard this, and said, "If you get this medicinal herb, doesn't it mean that the little mink can also transform into a shape?"

"Well, the little mink is now a demon beast at the peak of the sixth level, if there is a transformation pill, it can indeed transform smoothly. Wan Jianyi: "But this is also risky, there is only half a chance of success!"

"It's only half, what will happen if it doesn't form?" asked Mu Fan.

"If you don't achieve the transformation, you may become a half-human and half-demon, and there are still some special features of demon beasts on your body. Wan Jianyi: "And in this case, it is completely impossible to exert the ability that a human physique should have." ”

"What are the abilities of human physique?" asked Mu Fan strangely.

"The human physique is the most suitable physique for cultivation in the world, and if it can successfully transform into a shape, the cultivation of the mink will inevitably be even faster. Wan Jianyi explained.

"I always thought that after entering the seventh level, the demon beast would be able to transform into a shape, but it turned out that it needed to use the transformation grass. Mu Fan said.

"It's not, after the demon beasts are promoted to the seventh level, they only have the qualifications to transform into shapes, at this time, if they can lead to the transformation of the thunder tribulation, they will be able to transform after passing it, and they don't need to use the transformation grass. "Ten thousand swords.

"Is there any difference between the two?" asked Mu Fan.

"This is not true, but either way, it is risky, and the risk of the transformation thunder tribulation is greater, one is careful not to mention the transformation, you may be directly hacked to death. "Ten thousand swords.

"I see. Mu Fan nodded, and then said, "Let's find the transformation grass first, after all, these are our guesses, and we don't know if there is any transformation grass here." ”

Just when Mu Fan and Wan Jianyi were communicating, the middle-aged man's body was already scarred.

In his not high wisdom, he also knew that he was not the opponent of the "five people" in front of him, and instinctively felt fear in his heart, so he didn't dare to fight anymore, turned around and fled.

Mu Fan naturally couldn't let him run away, so he chased after him.