The deepest part of the Demon Refining Cave is the thirteenth layer.

When Yang Xiao flashed in, there was a burning sensation all of a sudden.

In front of him was a deep cavern, and in the middle of the cave was a magma pool!

Inside the pool of magma, hot lava tumbles in it, emitting an excruciating heat.

At the same time, there is also black demonic energy mixed with red magma.

Yang Xiao could feel that the resurrected Ancient Demon Emperor Demon Heaven was in the magma pool.

Han Zerong, who had just escaped in, had already knelt beside the magma pool and pleaded to the magma pool: "The Demon Heaven Emperor is above, please show up and punish the sinner who disrespects you!"

The "sinner" he said in his mouth was, of course, Yang Xiao.

However, Yang Xiao didn't pay attention to Han Zerong at all.

He glanced at the magma pool with interest and smiled faintly: "Don't hide, come out." Let me understand, what is the magic of the Ancient Demon Dao?"

With his words, the entire magma pool actually began to boil.

A pair of scarlet eyes, emitting two red rays of light from under the magma pool!

The entire Demon Refining Cave trembled, accompanied by a thick, ancient voice that came out of the magma pool: "Big, bold, crazy, fugitive...... See, go, Ben, demon, emperor...... Actually, no, down, kneel!"

With this sound, a large area of pitch-black demonic energy erupted from the magma pool, accompanied by an incomparably strong smell of blood, which quickly spread.

The thirteenth layer of the deepest part of the entire Demon Refining Cave was instantly filled with demonic energy.

As far as the eye could see, the entire cavern had turned into pitch black, except for two scarlet eyes in the center, slowly rising from the magma pool.

A huge body covered in pitch black, with scarlet eyes, and a flow of hot magma in its body, appeared in front of Yang Xiao!

This huge humanoid body is only half cut out, and it is more than ten zhang high, and the part below the waist seems to be integrated with the magma pool.

This is the Emperor Demon Heaven, the old demon who fell here in ancient times!

Even if the Martial Emperor is strong in front of him, what is it?

"Only my demon path is the only one, only my demon path is the only one!"

When Han Zerong saw this situation, he couldn't help but shout, his eyes were full of madness.

All around his body were black demonic qi, allowing him to absorb these demonic qi selflessly and improve his demonic realm.

As for Yang Xiao?

In Han Zerong's eyes, when the Demon Heaven Emperor appeared, Yang Xiao was already a dead man!

The movement in the deepest part of this demon refining cave even reached the upper level.

The thirteen hostages felt that the entire Demon Refining Cave was shaking, and infinite demonic qi was surging, enveloping them all.

Infinite fear rises from their hearts.

Even Yu Xiaoxue, who admired Yang Xiao very much, seemed to have fallen into the abyss and couldn't break free from fear at all.

This ancient demon ...... It's horrible, it's like a nightmare!

And now Yang Xiao is in the center of the whirlpool of demonic energy.

Endless demonic energy, whistling and swirling beside him, wanted to tear him to pieces.

It's a pity that these demonic qi can't get close to Yang Xiao no matter what!

He stood in front of the magma pool, standing with his hands in his hands, looking up at the ancient demon body that was twice as tall as him, and the corners of his mouth curled slightly: "Emperor Demon Heaven, if you want to use these demonic qi to deal with me, are you too naïve? Take out all your strength now, otherwise, you will die here today!"

"Yes, point, this, ......"

In Emperor Demon Tian's scarlet eyes, a burst of bright red light suddenly erupted.

This burst of red light actually condensed the surrounding demonic qi and blood qi, forming a burst of blood demon tornadoes, which swept towards Yang Xiao in an instant.

This burst of blood demon tornadoes, devouring all demonic qi and blood qi along the way, accompanied by the power of boiling magma, completely enveloped Yang Xiao!

"If you dare to offend the Demon Heavenly Emperor, you will die!"

Han Zerong looked crazy, staring at Yang Xiao in the center of the demonic qi vortex, as if he had seen his death.

It's a pity that the next moment, Yang Xiao just shook his head in disappointment.

"It's all said, let you show your real skills...... Don't you understand?"

Yang Xiao's eyes became fierce and he snorted coldly.

As the blood demon tornado roared and struck, just a sword light flashed beside him, and a sword light vortex was born.

All the surrounding demonic qi and blood qi, along with that blood demon tornado, were actually swallowed by the sword light vortex in an instant!

The thirteenth floor of the entire Demon Refining Cave was suddenly quiet.

And the sword light vortex calmed down, and what floated in the air was a long sword that was entwined with endless black qi.

Eternal Demon Drinking Sword!

One of the top sword souls in Yang Xiao's body was once again unsheathed.

When he was in Canglan City, Yang Xiao used the Eternal Demon Drinking Sword to kill Han Zerong's Demon Dao clone, and there was no loss at all.

And now, it is not too wasteful to use this sword soul to deal with a former "Demon Emperor".

The pitch-black long sword, full of demonic energy.

These are all demonic qi that the sword soul "drinks", and the more demonic qi it "drinks", the more it can restrain the demonic cultivation, and in the same realm, it can crush the demonic cultivation!

"It's this sword!"

As soon as Han Zerong saw this sword, he suddenly jumped up in horror like a mouse seeing a cat.

He had felt before that Yang Xiao's sword seemed to have a certain restraint on his demonic exercises.

Now that I've seen it with my own eyes, I see that it's true.

"No, now that the Demon Emperor is here, what am I afraid of?"

Han Zerong came back to his senses and secretly scolded himself for being a fool.

He knew how powerful the Emperor Demon Heaven was!

Even the Demon Emperor, who was equivalent to a high-level Martial Emperor, was respectful to the Emperor Demon Heaven, and he was careful when he spoke, not daring to offend him in the slightest.

This little kid in front of him, with just a strange sword, wants to deal with the Emperor Demon Heaven, it's just a dream!

It's a pity that Han Zerong didn't find a thing.

That is, as soon as the Ancient Demon Drinking Sword Soul came out, even the scarlet eyes of the Emperor Demon Heaven revealed a strong shock.

"This sword...... This sword ......"

The rich, ancient voice came from the magma body of the Emperor Demon Heaven, and it trembled a little!

"Curious?"

Yang Xiao squinted his eyes and looked at the Ancient Demon Drinking Sword with pity: "This is the eternal period, the sword of the Demon Suppression Sword Emperor!"

Demon Suppression Sword Emperor!

I don't know what age this is, but it seems to be older than the era of the Emperor Demon Heaven.

A trace of fear appeared in Emperor Demon Tian's scarlet eyes.

From the Eternal Demon Drinking Sword, he felt a dangerous aura...... This sword soul probably has the ability to completely destroy him!

How could such a dangerous figure exist in this small imperial country?

Emperor Demon Heaven has been revived for ten years, and he has learned from the mouth of that Demon Emperor that the current Demon Death Mountain is a small country belonging to the "Great Xia Dynasty".

In this realm, the strongest are some old monster martial arts, and as for the stronger existence, it will never appear.

But now......

Emperor Motian was silent.

He found that he couldn't see through the realm of the black-robed young man in front of him who had sacrificed the "Eternal Demon Drinking Sword"?

"The Demon Emperor is above! Why don't you do it, kill this son here, swallow its flesh and blood, and eat its essence and blood!"

Han Zerong didn't notice that Emperor Demon Heaven was wrong, and was still shouting on the sidelines, with madness in his eyes.

"Closed ...... mouth!"

Emperor Demon Heaven was almost angry.

What kind of stupid men did he take?

He provoked such a horrible guy to him!