After hovering in the air for weeks, Ulla had already landed on the rocks at the bottom of the cave that were high above the magma.

Chen Feng got down from Ula's back, looked at the leyline red flames rising above the magma, and felt that the blazing breath around him seemed to be able to bake people alive into conversation, but he was not afraid of rejecting joy.

Not only him, but even Ula felt extremely comfortable at this time, squinting her eyes, and she looked like she was enjoying the heat here.

"Ulla, do you want to die, what are you procrastinating down there?"

Although the sound was not loud, because the space in the cave was shaped like a dome, the sound became very loud after the continuous echo, and it frightened Ulla's feet, and he almost fell into the magma below.

Fortunately, Ula reacted very quickly, spread her wings in time, and then flew upwards, following the impatient willow leaves.

Chen Feng stood on a two-meter-square stone and looked around, unable to help but show surprise.

It turned out that he had seen some simple but very simple drawings on the cave wall, and there were many mysterious runes mixed in them.

What surprised Chen Feng was not only the contents of those pictures, but also the ancient runes that looked extraordinary.

Due to the age, the pictures on the stone wall are already a little incomplete and mottled, but Chen Feng also roughly understands what is going on.

As Chen Feng had expected before, there was indeed a huge formation here, but it was not a mountain protection array built by the ancient cultivation sect, but a sealing formation used to suppress a fierce beast that had once been a disaster.

As for the origin of this fierce beast, because the picture was so broken that Chen Feng didn't see any clues from it after looking at it, but judging from the image of the robes and big sleeves of the person who suppressed it here, it was the costume of a cultivator in ancient times.

This made Chen Feng have a bold guess, that is, the fierce beasts that were suppressed here were probably not living here, but had wreaked havoc in the Central Plains, but were later caught by ancient cultivators and suppressed here.

Back then, when the spiritual energy of heaven and earth was abundant, the strength of the cultivators was strong, and naturally they had a wide range of activities, and this area was definitely a poor mountain and evil soil in ancient times, so it was naturally very suitable to suppress the fierce beasts. Even if the Heavenly Seal Formation is broken, the fierce beast does not have to worry about harming the innocent if it escapes.

It's just that most of those cultivators from 2,000 years ago would not have thought that the world was changing and that this place would one day become the land of another country.

When he sighed in his heart, Chen Feng focused on those runes again.

Just as writing has always evolved and changed from ancient times to the present, the runes used by cultivators have also undergone a gradual evolutionary process.

It's just that because the life of a cultivator is relatively long, although the inheritance of the Dao method has never ended, the changes in the meantime have been a little slower. At least not like the text, from the ancient oracle bone inscription to the small seal of the Qin Dynasty, and then to the later official script...... Finally, until now, the simplified Chinese character has only been used for more than 2,000 years.

The evolution of runes is much slower, but it never stops.

The original runes naturally have to be deduced to ancient times, when the aura of heaven and earth was strong, the monks were powerful, and the runes used were more concise, each of which contained the rules of the Great Dao of Heaven and Earth, which was powerful and beyond imagination.

It's just that later, the aura of heaven and earth gradually decayed, and the ancient runes were already a little inapplicable, so the monks gradually became monks and warlocks, and the runes began to change from simple to complex.

The road is simpler, and the more complicated it is, the farther away from the rules of the avenue, but because this change is easier to use. It's a trend, and no one can resist it.

Since then, the aura of heaven and earth has become thinner and thinner, and the runes have become more and more complicated, and the number has naturally increased, gradually forming the existing runes. And the original alchemists and warlocks were also completely replaced by cultivators.

The runes used by Chen Feng were very different from the runes of the current cultivators, relatively simpler, but they could not be compared to the runes used by the monks in ancient times.

Now the runes that Chen Feng saw on the cave wall were more concise and simple, presumably left by the ancient cultivators who were stationed here, as for whether they were alchemists or warlocks, then Chen Feng did not know.

Although these runes have been on the cave wall for more than 2,000 years, most of them are still relatively intact, and they are even constantly absorbing the aura of heaven and earth, exuding a faint light, and they are obviously still playing a role.

For Chen Feng, this would be the biggest benefit he had gained here, and it would even surprise and satisfy him even more than when he had completely refined the Qingmei Sword.

Chen Feng turned on the True Yuan, looked at those mysterious runes carefully, and after carefully identifying them again and again, after removing the same runes, Chen Feng found a total of thirteen different runes.

What is the magic of these runes, Chen Feng is not sure for a while, and even with his current strength, he may not be able to use them normally, but Chen Feng has kept them firmly in his heart, and is ready to wait until he has time to go out and study them slowly.

Chen Feng believed that if he could master all these thirteen runes, not to mention whether his own strength could improve by leaps and bounds, at least in the way of formations, refining weapons and runes, there would definitely be gratifying growth.

"Xiao Fengfeng, what are you looking at here with your head raised and your neck stretched? As early as when Chen Feng was concentrating on memorizing those runes, Liu Ye had already taken the ula down, but he had been quietly staying on the side, until he saw that Chen Feng was no longer watching, and then asked curiously.

"Those runes have an extraordinary origin, you look at them extraordinary, if you can understand them from them, it will definitely be of great benefit to you. Chen Feng pointed to the runes on the cave wall.

"I'll see...... Belch. When Liu Ye heard this, he immediately looked over, but after a while, he snorted, and when his face became as white as paper, a trace of blood flowed from the corner of his mouth.

Chen Feng was shocked, and immediately blocked his hand in front of Liu Ye's eyes, and checked his pulse again, and said guiltily: "It's my fault, I didn't expect these runes to be so domineering, if you don't have enough strength, just looking at it will hurt you." ”

"It's okay, I don't care, in fact, this is also a good thing, at least it shows that these runes are indeed extraordinary, you just need to learn it, and it will be the same if you teach me in the future." "Liu Ye is running the true yuan, and his face has improved a lot after a moment of pranayama, but the internal injuries he has suffered need to be slowly adjusted.

"Why don't you go up first?" Chen Feng said.

"I'd rather be with you. Willow Leaf shook her head.

"It's fine. Chen Feng saw that she was fine, so he stopped insisting, sat down cross-legged, pinched the magic trick with his fingers, and hit the sword blank of the Qingmei Sword.

......When a crisp and long buzzing sound sounded, layers of dark golden light stirred up on the blank of the Qingmei Sword, and then the runes on it that Chen Feng had already blessed lit up layer by layer.

The sword blank that was originally held in Chen Feng's hand floated up as if it was being lifted by an invisible force, and flew into the air, emitting a bright dark golden light.

Chen Feng's magic tricks kept playing, some of them hit the sword blank, and more of them fell around, and then the surrounding magma surged, and its rising leyline red flame suddenly rose into the sky, flying into the air like a fire dragon to surround the sword blank.

Although the green plum sword blank is sharp, but it is not completed, what is missing is to borrow the tempering of the flame between heaven and earth, without this step, then the sword blank is like a dragon without the finishing touch, and it will never be able to exert its most powerful power.

Of course, in this process, Chen Feng still has a lot of things to do, but it is not so important compared to the current tempering.

For refining flying swords, this process of secondary refining is of course quite important, but for onlookers, it is quite long, boring and tedious.

Liu Ye couldn't help but get bored after staying aside and looking at it for a while, and he didn't dare to look up at the runes on the cave wall, so he looked around next to Chen Feng.

Looking at the willow leaves, I made an unexpected discovery. It turned out that there was a crack in the corner of the cave wall that was seven or eight hundred meters away, which looked no more than half a meter wide, but it was very deep.

"Could it be that there is something great and good hidden?" Liu Ye thought to himself, and immediately squatted on a stone not far away, and Ulla, who was constantly bowing his head and swallowing the red flames of the earth's veins, beckoned him.

Ulla found that the leyline red flame here was very beneficial to his strength, and he was absorbing the joy of course he didn't want to stop halfway, but when he noticed that Liu Ye's brows were slightly furrowed, and his eyes showed a little coldness, he was still decisively cowardly.

Liu Ye flew to the crack in front of Ulla, squinted his eyes and glanced inside, and saw that the crack was only seven or eight meters deep, and there was a flickering fire in the distance, and there was a strange gurgling sound.

"Come with me. Willow Leaf stepped into the crack and dragged Ula inside.

Ula was reluctant in her heart, but she didn't dare to refuse at all, so she could only be carried by Liu Ye in her hand and walk forward with her.

When he reached the end of the crack, he took a look at the willow leaf probe and couldn't help but be surprised, it turned out that there was an even larger crater here, almost like a lake, not only filled with churning magma, but also densely packed with caves on the surrounding cave walls.

At this moment, there are many red and black, lizard-like and gecko-like monsters roaming the cave walls, in and out of those caves.

Not only can they climb on the walls of caves, but they can also jump into hot lava and swim freely, and even occasionally pick up crimson fish from them.

"Tick-tock. When he saw the fish in the mouths of those demon beasts, Ulla's saliva flowed uncontrollably.

(End of chapter)