This other path turned out to be the way down the mountain, and the surrounding mountains became gentle, not as difficult as the previous climb.

Sedum felt in a good mood because he got a lot of treasures, and before he knew it, he took the big black dog all the way to the bottom of the mountain, and the path under the mountain became rugged.

"Whew......!" the big black dog gasped for breath.

Sedum stopped to feed the big black dog some water, he got out of the water jar, found a large stone with a depression and a pit, poured the water into it, and let the big black dog drink it himself.

"Not only are you thirsty, but I'm also a little thirsty, so why is it suddenly hot this day?" said Sedum.

And it is true that the temperature is a bit high, and the temperature around it seems to be rising all the time, and even the leaves on both sides of the road are hanging leaves!

Could it be that this place in Dongfu has figured out the desert outside? But although the desert is dry, it is very cold, unlike here, it is so sultry!

Sedum walked along the path as if he had reached the foot of the mountain, where the rocks were exposed, the trees and vegetation had long since disappeared, and the temperature had become drier and hotter.

"How can there be several caves here? Are we at the place of alchemy?" Sedum said.

The big black dog naturally couldn't answer him, in such a hot place, the big black dog felt very hard, just now he drank half of the water in his stomach, and now he felt thirsty again.

"There's a stream ahead, where can you hide for a while, I'll go into the cave here and see if there's any treasure." Sedum patted the big black dog on the head, and the big black dog immediately ran away.

"It's a bit weird! Is this really a place for alchemy? I don't think it's like it!" Sedum said to himself, and then went into a cave.

The cave was spacious, but it was shabby, the ground was very dusty, and there was no sign of it, not even the working puppets had come.

This cave has two caves, inside and outside, and there is a Dan furnace made of unknown metal in the cave, to be honest, such a small Dan furnace, Sedum is also the first time to see it, and it is like a pot on the ground.

But this Dan furnace is obviously not that simple! It looks very old, Sedum looked left and right, reached out and untied the lid of the furnace, there was nothing in it, only some black slag.

Shaking his head, Sedum moved this Dan furnace, but he didn't want a hot wind to blow up, and the dust almost blinded his eyes!

Sedum found out that the Dan furnace was blocking a hole, and the hole was bubbling upwards with hot air! Sedum hurriedly blocked the Dan furnace again.

What is this downward cave for? How can there be hot wind? Where does the cave lead to? With doubts, Sedum left the cave and walked towards another cave.

As a result, the situation is almost the same, there are similar Dan furnaces blocking the entrance of a cave in the cave, and the hot wind blows up, and the whole cave is even more dry and stuffy!

There was no Dan furnace in one of the caves, only a piece of bluestone blocked the entrance of the cave, and Sedum did not move it, because the situation must be the same! This cave is a little strange, there are some sundries in the corners of Shandong, but there is a thick layer of dust, and those sundries seem to look like clothes and futons.

There is also a small cave in the corner of this cave, which seems to lead to the inside, and according to the mountain, it seems to be the inside of the mountain.

Sedum looked inside, there seemed to be a faint red light, not very dark, but there was a hot wind constantly blowing, after thinking for a while, Sedum decisively walked in.

Inside the cave, there are steps spiraling downward, and the red light seems to come from below, this is the interior of the mountain, if you go further down, it is likely to be under the mountain.

The spiraling staircase finally came to an end, the red light was shining under the mountain, and a heat wave was rushing to his face, and Sedum was surprised to find that this was actually a world of volcanic lava!

The hot magma is under the cliff underground, and the rushing magma is constantly emitting a piercing "swoop......" sound, and there are also splashing magma firepoints!

Some of the railings and stairs that had been built here were now all covered by a layer of black stone shell, which Sedum knew was formed by the cooling of the lava, which was very hard in some places, and only one layer in others!

"It's volcanic magma underneath! And it looks like the magma pool here is obviously not as big as it used to be, it probably erupted once before! and then the lava went down!" Sedum analyzed, observing.

Considering the caves in the cave above, Sedum has reason to judge that the magma here was once the fire source used for alchemy in the cave, but because the lava pool was lowered, it could no longer provide a fire source, so this place was abandoned.

Lu Taiyi's alchemy must have been a pill room built using the earth fire here, but unfortunately, for some reason, it was probably abandoned by him after the lava erupted, which means that this is not his real alchemy.

Most of the alchemists that Sedum has seen are mostly fire coal, some use a fire medium like 10,000-year-old pine root, and even have a special kiln mouth for alchemy, and there are really no ones who use earth fire.

It is rumored that a true Dan Dao master will use his own Dan Fire or even Infant Fire to refine the Dan, which is the unique method of Jindan Stage Monks and Reason Stage Monks! He didn't know if it was true or not.

If this is the case, then the cultivation of the Jindan monk or the Yuanying monk is also much deeper than that of the monks of the same period.

However, the use of natural earth fire to alchemy is not a small project, and seeing that most of these caves are artificially chiseled, it is already very revealing.

Lu Taiyi obviously chose this place as the cave mansion at the beginning because of the earth fire veins in this place, but the earth fire alchemy requires precise control of the fire and heat!

In this way, it is obviously impossible to refine the pill as you like, it is only used for large-scale alchemy here, and it shows that there are not a few servants who used it for alchemy here, and Chen Yuan may be just one of them.

Sedum looked at many places, and he found that the earth fire in this place had been modified, partly because of the damage caused by the lava explosion caused by the change of the city.

On the other hand, Lu Taiyi felt that the fire veins in this place could not be wasted, but were led away through transformation!

Sedum didn't have the supernatural ability to dive into the lava, so naturally it was impossible to enter the depths of the lava to check the direction of the lava flow, he could only judge that these lava earth fires were likely to be introduced into Lu Taiyi's real alchemy place.

This place is an abandoned alchemy place, and many of the surrounding facilities are also related to the original alchemy, Sedum didn't understand it on the one hand, and on the other hand, he didn't want to waste time, so he decided to leave.

After getting out of the cave, Sedum called the big black dog, walked out along the road, the road at the foot of the mountain passed outside a valley, and before today, he used the Qi Observation Technique to check the surrounding peaks, and his goal was a few places where the Qi veins were relatively dense.

After Lu Taiyi's death, the cave is likely to close automatically, and an independent world has been formed here, but except for those puppets, there are hardly any living creatures! Not to mention people, not even animals.

Therefore, the breath in the cave house shows all the breath of grass, trees, mountains and stones and some other qi veins, without the slightest breath of living creatures, if there is one, then there are only two people, Tianye and Chen Yuan.

At this moment, Sedum, who was looking at several qi veins from a distance, once he discovered that Chen Yuan's breath appeared, outside the two peaks, but his breath appeared from time to time, indicating that this person was acting covertly.

In fact, Chen Yuan is currently sneaking in a strange formation, behind which there is an altar and a temple, he knows what this place is for, but he is still a little unfamiliar with the formation.

So here he spent a lot of time cracking the formation, and when he entered it, he went straight to the altar, but there was nothing on the altar! Not only was the thing gone, but even the mark he had made before was gone.

Chen Yuan's face was gloomy, this thing was very important to him, and the absence at this time meant that there was some accident here, and that thing was taken away!

Divine Sense probed, and the temple next to it was nothing except for a few very aggressive puppets, and Chen Yuan turned around and left.

After Chen Yuan left, in a moment, a pair of eyes suddenly appeared in the air, and those eyes looked at you indifferently The direction in which Chen Yuan went, and then looked at the altar and temple, and the divine sense swept by.

Obviously, it was not surprising that Chen Yuan had not gotten anything, which meant that there was no value in staying, so those eyes looked in the direction that Chen Yuan had left again, and slowly disappeared again.

Not long after the time passed, Sedum and the big black dog also appeared on the road here, and he saw a lot of traces of the formation being cracked along the way, and these traces were very new, indicating that Chen Yuan had not been cracking for a long time before.

Some formations were broken by brute force, there were many broken array flags and array disks on the ground, and there were even some spirit stones with weakened spiritual power.

Standing on the altar, Sedum observed the qi again, in addition to the breath of Chen Yuan that had appeared here, Sedum was very surprised to notice that the breath of the Lord had also appeared!

This made him laugh, it seems that the Heavenly Lord has hidden his body and has been following Chen Yuan, so he doesn't have to worry about anything, he has time to study the traces on the altar.

The entire altar was obviously used to place something, and the complex rune Sedum on it couldn't be understood, but it turned out that a four-legged artifact should have been placed here, and that thing was no longer there, but the traces were more obvious.

This shows that the object was left here for many years, and the traces of the four feet left after it was moved away, even after so many years, the traces of these four feet are obvious.

What should it be? Sedum looked at the temple next to it, and what this temple should have placed here had a lot to do with it.

Sedum walked towards the temple and stood at the door, looking inside the open temple, where there stood four huge statues!

Just as he was about to go in, the big black dog behind Sedum suddenly ......barked twice, with a deep sense of vigilance.

Sedum looked back at the big black dog, then at the four idols, and a smile appeared on the corner of his mouth.

"Hehe, I see, thank you Dahei. ”