Zheng Dong found out that the gray surface was only because of the mud accumulated over the years, and as he spit out his true yuan force, the dirt on the surface suddenly shattered, revealing a small corner of purple light flowing like jade below.

After tens of thousands of years of corrosion, this horn has not been damaged at all, just in terms of material, the embryo body of the Dao weapon is nothing more than that, but what makes Zheng Dong wonder is that this horn is so hard that it can also be used in medicine? I'm afraid that scraping it with a treasure soldier for a long time may not be able to scrape off some broken pieces.

Feeling Zheng Dong's doubts, the prison spirit mocked as always: "This broken horn is not the original object in the material room, you just need to look up to know what I mean." ”

When Zheng Dong heard the prison spirit say this, he immediately looked up, and suddenly found that a circular hole had been broken in the roof of the material room, and unlike the rest of the cracks, the bluesteel stone roof more than a zhang thick was completely pierced by something, and that size happened to coincide with the broken angle of his hand.

"Then do you know what kind of monster or demon this horn belongs to?" Zheng Dong asked in a voice.

"I don't know, there are hundreds of millions of species in the heavens and all worlds, how can I know them one by one, but I can tell you for sure that the owner of this horn is at least equivalent to the existence of the true monarch of the law, because those things on the horn that seem to be like cloud patterns are actually formed by the law, that is to say, this broken horn is equal to a natural dao weapon, but why its function has to be developed slowly by you. The Prison Spirit Trail replied to himself.

A huge material room, Zheng Dong harvested this broken horn, but when he thought of the prison spirit saying that this was equivalent to a natural Dao weapon, Zheng Dong felt that he had earned it.

Behind the material room is a row of furnace rooms, the furnace chamber of the Ruthless Sect is not one but nine, but it is only eight furnace rooms in a row, not only the Dan furnace inside has long been broken and damaged, but the pill in the Dan furnace has become a pitch-black slag, just when Zheng Dong thought that the last one would be no exception, but he didn't expect to push open the stone door of the half-collapsed furnace room and find that the Dan furnace in the ninth furnace room was intact, not only intact. There was even a thumb-sized flame flickering beneath it.

Zheng Dong and Hao Yuntong looked at the Dan furnace dumbfounded, how do you look at the situation that a Dan furnace has not been extinguished for tens of thousands of years, and there is no reason to leave this one after the eight Dan furnaces have been destroyed, but for the pills that may be stored in the furnace, Zheng Dong and they don't have hope, even if the steel mother is known as a catastrophe in tens of thousands of years, it will be smelted into ashes.

With a "meow", the prison spirit had already appeared, lying on Zheng Dong's head, looking at the Dan furnace with glowing eyes, and saliva flowed down the corners of his mouth. He muttered vigorously in his mouth: "Developed, developed now, how can this be, this is not in line with the laws of heaven......"

Counting the time of the causal world, Zheng Dong has been with the prison spirit for more than 30 years, but it is the first time he has seen it lose shape like this, could it be that furnace turned out to be a great treasure?

When Zheng Dong passed his questions to Zheng Dong, he was severely disdained by the other party: "Although that furnace is a low-level Dao vessel, it is compared to the pinch of flames under it. It's not even as good as shit, there are thousands of kinds of fire in the heavens and ten thousand worlds, and there are so-called ten divine fire rankings in all walks of life, but there are only four flames in the heavens and ten thousand worlds that are recognized by everyone. And one of them is Nanming Lihuo. ”

"Could it be that you say that this flame is Nanming Lihuo, what is the use of it?" Zheng Dong asked with a frown as he looked at the dying flame.

"Wrong, this is not Nanming Lihuo but the essence of Nanming Lihuo, Nanming Lihuo is just a kind of flame that can burn all things. And the essence of Nanming Lihuo can give birth to life, and the legendary beasts Vermilion Bird and Liluan are all formed by the essence of Nanming Lihuo, and it has a greater effect on you!"

"You possess a fire-based earth spirit root. As long as you can further upgrade the spiritual root to the heavenly spiritual root, you can integrate your body into the law of fire, not to mention the increase in combat power, from now on, the flames of the heavens and all worlds can no longer hurt you, because you yourself have turned into the source of fire, you must know that under normal circumstances, only when you reach the second level of the law phase realm, can the earth law phase condense the law body. The prison spirit said excitedly.

Zheng Dong didn't think that the prison spirit was so excited, but said lightly: "Since this Nanming Fire Essence makes you say so precious, I'm afraid it's not easy to get it, don't say anything else, but this protective magic circle in front of you is not easy to break through!"

That's right, I don't know if it's the Dan furnace or the flames, the walls, roof and door in this furnace room are damaged, but the bluesteel stone floor is not damaged at all, and there is a magic circle like a spider web carved on it, and the furnace is sitting on the middle array.

With the purple light that appeared from time to time on the magic circle, it was obvious that this magic circle was still in operation, and the power of the formation used by a great cultivator to protect the Dao Weapon Dan Furnace and Nanming Lihuo was absolutely considerable, at least it was not something that Zheng Dong and his party could break by brute force.

Yes, according to the analysis of the prison spirit, the fire in this Dan furnace may have been just an ordinary Nanming Lihuo at first, but after tens of thousands of years, I don't know what it has experienced, it has been upgraded and evolved into the essence of Nanming Lihuo, you must know that under normal circumstances, ordinary Nanming Lihuo cannot become the essence of Lihuo even after hundreds of millions of years of evolution.

After Zheng Dong's reminder, the prison spirit was able to break free from the longing for the fire essence of Nanming, and looked at the next magic array, and after watching carefully for a long time, a smile suddenly appeared on the face of the prison spirit's cat.

The prison spirit said to Zheng Dong: "The immortal cultivation faction naturally has its self-confidence, most of the protective prohibitions will be set up outside the Dan room, this magic circle is not used to defend against trapped enemies, it has two functions, one is to automatically adjust the temperature of the furnace, and the other is to defend the furnace, you must know that some pills will explode if they fail to refin, and the more advanced the elixir, the stronger the spiritual power contained, and the power of its explosion may not even be able to withstand the Jindan monks." ”

"In other words, not only will there be no danger if we go to collect the stove, but this magic circle will protect ......us if something happens," Zheng Dong muttered to himself.

"Wrong, it's not us but you, only you with the fire system earth spirit root can get close to that Dan furnace, and before approaching, you must also purify the true yuan in your body, to ensure that what is left is pure fire yuan, this furnace has been refined for tens of thousands of years, and the elixir in it is destroyed, but there is a lot of backlog of spiritual energy, once there is a mixed true element that triggers the explosion, it is estimated that this magic circle will not be able to resist, and the entire Dan room will be blown up. The prison spirit reminded in a very solemn tone.

After hearing the words of the prison spirit, Zheng Dong directly stimulated the elemental transformation of the soulless spirit body, purified the true element in the body several times, and then walked towards the medicine furnace. (To be continued......)