When Lin Han heard it, it was true that this sonic attack was indeed its natural supernatural power.

To put it bluntly, it is to use the bat's innate ability sonic attack, and the little demon generally uses this ability for echolocation, and this bat demon is also talented, coupled with the profundity of mana, it has evolved into a supernatural power.

And the part of this sound wave is the structure of a nasal lobe in the upper part of his nose, to put it bluntly, he has a special device on his body, and he has the talent to use this magical power, but he doesn't have it, how can he learn it?

If you want to learn it, unless you can change the body structure, this is far from what he can do now, unless he learns Xuangong, but unfortunately he hasn't learned it yet.

However, Lin Han memorized this magical power, who knows if he can use it in the future, he will learn it first.

"Okay, in this case, you confess the Lord, make a heavenly oath, you just had evil thoughts about Lao Tzu, if you don't obey, I will have to kill you!" Lin Han threatened.

"I confess the Lord, confess the Lord!"

"This king hereby swears that he recognizes this little friend in front of him as the master, and follows it loyally, if he dares to disobey, let this king die under the catastrophe!"

The so-called oath of heaven is to swear to the sky, and the monster is also a person who cultivates immortals and pursues the avenue, so he naturally believes in this, and once he makes an oath, he will not dare to refute it.

Lin Han felt that at least he didn't dare to betray now.

Lin Han waved his hand to collect the power of the rules, threw the bat demon down, and said, "Where does your cave lead to?

"Outside the cave is a vast mountain forest, and there is no danger, but there are some fierce beasts infested, and there are occasional monsters, and they are not as good as me in terms of cultivation!"

The bat demon said, and at the same time he was a little complacent when he spoke, obviously he still had some status in this area.

"What about the forest?" Lin Han then asked.

"This ...... Senior!"

But unexpectedly, this bat demon suddenly showed a frightened look, and said: "After the woods, there is a desert in front of you, seniors, don't go any further, that desert is regarded as a forbidden place by our natives, and it is very dangerous!"

"It's dangerous, don't you dare to go?" Lin Han asked.

"The little ones don't dare!"

The bat demon looked in the direction Lin Han had come from, and said, "The seniors should know about those two-headed snakes, I think the seniors must have fought with them since they came from over there." ”

Lin Han: "Not bad!"

The bat demon nodded and said, "Those two-headed snakes originally had a demon king, with vast magical powers, stronger than me, he just trespassed on the forbidden land and died there, for countless years, I don't know how many of the natives have died there, so that desert is already regarded as a forbidden land!"

"Oh?" Lin Han frowned slightly, he didn't say that it was okay, but when he said it, Lin Han became even more interested.

"Let's go, take me to see!" Lin Han shouted.

The bat demon didn't dare to refute his back, so he had to take Lin Han and continue to walk forward, circling and circling behind, huhulala, followed by a group of vampire bats.

Now that the bat demon has made a heavenly oath, Lin Han doesn't bother to kill them anymore, the demon king has recognized the master, and those vampire bats don't dare to attack anymore, and they all obediently follow behind.

After moving forward for several miles, he finally came out of the cave, and as the demon king said, a vast mountain forest flashed in front of him, which was the only green place that Lin Han had found here so far.

There are indeed fierce beasts in the mountains and forests, and occasionally monsters are infested, but there are bat demons, and these monsters dare not touch their heads.

After a few hundred more miles, they finally passed through the forest.

The forest is deep and difficult to travel, hundreds of miles away, and it is impossible for mortals to pass through, but it is nothing to them.

The trees suddenly began to decay and wither, and after a short time they disappeared completely, and the void began to be disordered, and the space was faulted.

Void turbulence begins to grow.

When they arrived here, the bat demons didn't dare to fly wantonly, they could only hover at a low altitude, and some of the bat demons were shocked by the chaotic space, and they didn't dare to move forward at all.

If you are not careful here, you may be swallowed by the space storm or even the void turbulence, and there is no scum left.

After a few more miles, the forest completely turned into a desert, the void was even more disordered, the sky above was full of faults and dislocations, and the void storm was even more commonplace in the air, looking like the end of the world, extremely dangerous.

When he got here, even the Bat Demon King didn't dare to go forward, and when he got here, he could only walk on foot and fly in the air at will, which was simply looking for death.

Needless to say, even the immortals didn't dare to fly above without permission, and they would easily be swallowed up by the chaotic space.

"Senior, this is it!" the bat demon pointed forward, refusing to move forward any further.

Lin Han saw that the front was completely blocked by the desert, the golden desert was rolling, vast and immense, and there was a thick fog rising in the distance, and he couldn't see the opposite side at all, and even the surrounding of the desert was shrouded in gloomy fog.

Above is the raging spatial turbulence, and below is the gloomy and dim desert, which looks eerie and terrifying.

"Senior, do you want to go back?" the bat demon asked, his voice trembling, it can be seen that they have a fear of this desert from the bottom of their hearts, or rather, they are born afraid of this desert.

"Go back?" Lin Leng laughed, he didn't try to try, what is the matter of going back? And he can also see that this cave is not the only way to get here, and it is completely possible to take other paths, but the cave he just walked through is a shortcut.

"I want to see what is fearful here!" Lin Han waved his hand, "Send a few little demons over to explore the way." ”

“...... ，...... ，......”

The Bat Demon King looked bitter, but he didn't dare to disobey, and waved his claws at the little demon behind him, "You guys, go into the desert and have a look!"

These vampire bats trembled one by one, but the demon king ordered it, and they didn't dare to disobey.

In the end, driven by the demon king, more than a dozen vampire bats hovered and trembled at a low altitude and flew inside.

Call!

A burst of void turbulence swept by, and several bat demons flying slightly higher were instantly engulfed by the turbulence, and turned into a rain of blood in the miserable howl.

Lin Han frowned slightly, it seemed that if he wanted to pass through this desert, he could only walk on foot, and if he wanted to fly over, it would not work at all.

Some of their companions died, and the few remaining bat demons were more cautious.

But caution doesn't work. The bat demons had barely traveled a few miles before they were obscured by the mist, and when they were about to lose sight, five or six skeleton corpses suddenly emerged from under the desert without warning.