Anyone, no matter how careful you are, as long as there is a movement, it will leave a clue.

For example, on the third dark mark on the right, there are tiny crystals that are difficult to distinguish with the naked eye, which are likely to be traces left by the evaporation of sweat.

For example, along the third dark mark, there is a slight difference in the direction of the flame flow between the seventh and eighth fireballs in front of you, which may be caused by someone passing through the air current...

This little bit of subtle clues, let alone with the naked eye, even if you use your divine sense to observe, the chance of discovering it is very small, but in front of Tianyan, there is no concealment.

But at the same time, the consumption is also very great, a little bit of exploration forward, just a moment, his face is slightly pale, and he has to stop breathing.

After repeating this three times, from the pit to its current location, and then on, a clear route came to mind.

At the end was a slightly larger fireball?

On the fifth floor of the Lost Fire Cave, the scene is different from the fourth floor.

If the fourth floor is completely dead except for the flames, it is full of life.

Patches of dense jungles, dense streams, clusters of shrubs and grasses, lively birds and beasts...

However, whether it is a tree dozens of feet high, or a grass bud of an inch long, or a bird flying in the air, there is only one color, red.

It's a kind of red that makes people look at it a lot, and it seems that it will directly reflect the sea of knowledge, even if you close your eyes, it won't go away.

Everything here, it's all made of flames.

The fifth layer is the ocean of fire, the world of fire spirits.

Looking at the vision in front of him, Nightless was ecstatic.

There must be a fire origin here, everything in front of him is a vision of the origin illusion, and there is no particularly huge beast scene in it, this fire origin should not be mature.

From the fourth layer to here, seeing that he was getting closer and closer to his goal, the world-destroying pure fire that he was most worried about had not yet appeared, and his luck was still there!

According to the records in the animal skin scroll, the origin of fire should be in the center of the fifth layer, which is the center of the fire spirit veins of the entire Lost Fire Cave, and only in this kind of place can it be possible to condense such a strange thing from heaven and earth.

However, the fifth layer is the center of the spiritual vein, so where is the sixth layer, why can such a murderous thing as the world-destroying pure fire be produced? Wu Ye couldn't figure it out, but his goal was the origin of fire, and the sixth layer didn't dare to think about it...

That's the fire that destroys the world...

Even if there is a body of fire element, it is estimated that it will not be of much use.

After so many years, the record on the animal skin scroll that he had already memorized was ripe, first carefully observed, and then let the female disciple take the lead and head towards a flame forest in front of him.

"Yes, Master!"

The female disciple named Zhao'er looked ahead, and helplessly twisted her waist and walked forward, she was defenseless at this time, looking from behind, the slender waist and full buttocks formed a moving arc, which was very tempting, but Wuye's mind was not here at all, only the senior brother secretly looked at it a few more times, and swallowed his saliva.

They are all Fire Yuan bodies now, and in the eyes of these flame elves who don't have much spiritual intelligence, they are almost the same kind, and they didn't encounter any obstacles along the way, and they easily crossed a distance of thousands of zhang to the front of the woods.

"It should be in the middle of this wood, there will be a spiritual spring, and the source of fire is in that spiritual spring. As long as you are a teacher, the spiritual spring is yours... Every sip of that spiritual spring is equivalent to a treasure of heaven and earth, after the transformation, it is enough for you to break through several levels... ”

The two disciples are all happy, and each sip is equivalent to a treasure of heaven and earth, so how much water is there in the whole spring? This is simply a great opportunity.

They didn't doubt Wuye, after worshipping under this master, he cared for his disciples, and the standard of a loving master was like a father, otherwise they wouldn't have followed him here without hesitation.

This is the depths of the Lost Fire Cave, the place where the legendary world-destroying pure fire is located, and the desperate situation where the Nine Tribulations will fall.

The fire trees are full of branches and leaves, and from time to time they will shake off palm-sized fire leaves, and they will not be extinguished after falling to the ground. Underneath the entire forest, there was a sea of bright red fire.

Zhao'er still walked in front, the body of Huo Yuan was indeed wonderful, walking in the sea of fire, it was like bathing in a warm ocean, not only did it not hurt, but the soles of the feet even had a trace of warmth infiltrating from time to time, and then, it turned into vitality and directly merged into the dantian Yuanying.

The female disciple was pleasantly surprised, she had only walked for half an hour, and the vitality she got was worth months of penance, this was simply her cultivation treasure, even if she didn't have that spiritual spring, as long as she could cultivate here for a year, she would be able to make nine turns.

In the midst of joy, her pace gradually slowed down, but it didn't take long for her master's scolding to come from behind her.

"Zhao'er! Move forward at speed, this Fire Yuan Body can only last for six hours! It's almost half way now, and we have to go back later!"

She was suddenly clever, and hurriedly sped up her speed, smiling bitterly in her heart, she was also lost for a while, if she didn't have the body of the Fire Yuan that her master helped transform, how could she cultivate here?

Here, even if the fire type is the best immortal embryo in the body, I am afraid that it will not be long before it will be burned to ashes, right?

The three of them walked forward step by step, and the further they went, the thicker the trees became, and the higher the temperature of the flames, and after a while, even the female disciple felt that the soles of her feet had begun to tingle a little.

And the senior brother's face is even more ugly, although he has cultivated to a higher level than his junior sister, but after all, he is not a fire type immortal embryo, even if he turns into a fire element body, but there is always a difference in fit, at this time, he has to forcibly transform and eliminate the foreign fire system vitality every step before he can continue to support it.

Wuye looked forward behind them and said lightly, "Hold on, it's almost over." ”

According to the animal skin scroll, this fire forest should not be so large, but it may be that after so many years, the origin of fire has also grown a lot, and the environment of the illusion will naturally change.

But in any case, as long as the world-destroying pure fire does not appear, with his preparations, he is still very sure.

As long as the origin of fire is in hand, with that trace of Dao understanding, his hope of impacting the Nine Tribulations True Realm will be greatly increased, although he himself is an earth-based immortal embryo, but the five elements are born together, and fire can give birth to earth, which can still increase a lot of probability.

After a stick of incense, the fire forest finally thinned out, and in front of it, a small depression appeared, and in the center of the depression was a small pool of glittering light, only one zhang square, and above the pool, covered with a layer of cyan tulle.

In the middle of the pool was an amber-colored plant, and at the top of the tip was a delicate flower with buds ready to bloom, and on the thumb-sized bud, three petals were already in full bloom, and the rest were still tightly closed.

With the light trembling of the flower branches, far away, a trace of abundant fire vitality rushed to the face...