After about a stick of incense, Xu Xuan's face was straight.

"Thank you, senior, for saving me. Xu Xuan spoke sincerely.

Since this senior saved himself and the way he came was so mysterious, it was bound to not be simple.

"Xu Xuan, in fact, the old man has been observing you for a while, and because of the lack of soul power, he rarely appears, but there are many ghosts in this space, so it can be regarded as condensing a trace of the old man's soul. The mysterious voice spoke again.

"Ghosts, are the seniors talking about those ghosts from before?" Xu Xuan guessed when he heard this.

"Yes, it's these things. The old voice agreed.

Xu Xuan still has a trace of calm on the surface at the moment, but in his heart he is very wary of this inexplicable senior.

There is no such thing as pie in the sky in the world, since this senior said that there is only a trace of remnant soul and stealing life, then the follow-up will have to rely on Xu Xuan, Xu Xuan will not believe that someone is not paying in return.

The Heaven Killing Sword was obtained in a mysterious place, and it was Huang Linzhi who brought Xu Xuan over, and Huang Linzhi did not ask Xu Xuan about the origin of the sword at that time, so this matter is very strange.

And in Guilin Mountain, and even just now, Xu Xuan escaped death twice, relying on this sword and this person, to say that the best thing is that this person saved himself, and the bad thing is that this remnant soul is attached to Xu Xuan, and he also wants to protect himself.

"I wonder if the predecessor is an immortal cultivator?" Xu Xuan said again after thinking of the most ruthless.

As soon as he heard Xu Xuan ask about himself, the old man's voice carried a hint of remembrance: "Xu Xuan, the old man was considered to have dominated the cultivation realm back then, and even in the Metaverse realm, he was the supreme existence. In the future, you can call the old man an old man. As for this lower realm, it should be the primary cultivation realm, and what you have to do is to cultivate well. ”

Although he didn't understand what the primary cultivation realm or the Metaverse realm was, Xu Xuan felt from the mouth of this senior that this person's strength must have been extremely strong back then, as for why only a remnant soul would be left in this Heaven Slaying Sword in the future, but Xu Xuan believed that with this person by his side, he would know many secrets that were unknown to the immortal cultivation world.

"Senior, what exactly is immortal cultivation?" Xu Xuan said in confusion.

Feng Lao heard that Xu Xuan didn't even know about cultivating immortals, and he didn't dislike anything, because he knew that Xu Xuan was just a martial artist now, and how much would he know about the common sense of cultivating immortals.

"Cultivating immortals is actually a kind of cultivation in pursuit of immortality. Generally, the five elements of heaven and earth are the mainstay, supplemented by yin and yang. Feng Lao said.

"The pursuit of immortality, can we live with heaven and earth?" Xu Xuan asked.

"Hehe, that's roughly what it means, it depends on whether the cultivator has talent, perseverance, and luck!" Feng Lao said with a light smile.

Xu Xuan fell into deep thought when he heard this, after all, this sudden words shocked Xu Xuan.

Cultivating immortals can actually live the same life as heaven and earth, Xu Xuan's heart is hot when he thinks of this.

In fact, Xu Xuan had never been in contact with a few immortal cultivators at all, so of course, he knew very little about this aspect.

"Qian Lao, since immortal cultivators are so powerful, why are there so many martial artists in the world, but there are few immortal cultivators?" Xu Xuan didn't understand in his heart.

"Haha Xu Xuan, do you think that everyone can cultivate immortals? It depends on whether or not they have the ability to cultivate immortal spiritual roots. Once a mortal has a spiritual root, then of course there is a chance to cultivate immortals. However, even if some immortal cultivators have a spiritual root, it depends on the grade of the spiritual root. Qian Lao Ha smiled and explained again.

"Cultivating Immortal Spirit Root?" Knowing a new word, Xu Xuan was puzzled again.

"That's right! The spiritual roots of the cultivation realm are usually divided into four kinds of spiritual roots: below, middle, upper, and superb, according to the five elements, they are divided into metal, wood, water, fire, and earth, and as for the five elements, there are thunder, ice, light, darkness, and wind!"

"So complicated?" Xu Xuan could explain so much at once, and his face was a little bitter.

"Hehe, you will know the Tao in the future. By the way, this body is too weak. The old man will help you condense your qi tonight!" Feng Lao laughed lightly, but then seemed to think of something.

Xu Xuanyan frowned when he heard this, because just as the old words fell, the surrounding space suddenly condensed slightly, and for some reason around this cave, the aura of heaven and earth was chaotic.

Buzz—

Accompanied by a humming sound, Xu Xuan was surprised to find that the aura of heaven and earth around the cave was much richer, and the silk aura of heaven and earth turned into a circle of ripples and quickly approached Xu Xuan's body, according to the naked eye, what Xu Xuan saw was a patch of misty white gas.

"Not yet absorbed!" Qian Lao suddenly burst into a loud cry.

As soon as these words came out, Xu Xuan, who was a little stunned, folded his hands together and sat cross-legged on the ground.

With Xu Xuan's movements, the aura of the surrounding heaven and earth seemed to be controlled, and it instantly approached Xu Xuan's body.

All these movements were actually done by Qian Lao, and for some reason, Qian Lao seemed to particularly hope that Xu Xuan would reach condensation as soon as possible.

If other immortal cultivators saw it, they would definitely be surprised that their mouths couldn't close. Because this practice of Qian Lao has surpassed the most basic sense of qi and qi induced by mortal immortal cultivation.

Generally speaking, the first step in cultivating immortals is to sense the aura of heaven and earth, and then induce qi into the body. Of course, it is easy for beginners to feel qi, but it is much more difficult to induce qi.

The aura of the surrounding heaven and earth seemed to be sent to Xu Xuan's mouth, just waiting for Xu Xuan to absorb it. In this way, Xu Xuan can directly enter the body without the need for air induction.

Xu Xuan didn't know how to see this, so he opened his mouth.

Hulala—

Streams of vast heaven and earth aura were swallowed into Xu Xuan's mouth like a giant whale absorbing water, and his body was also slightly bulging, suspended in mid-air.

With his eyes closed, Xu Xuan felt the changes in his dantian after the aura of heaven and earth entered his body, and his face was solemn.

"Hundreds of bones along the limbs, gather the dantian!" Qian Lao reminded again.

As soon as these words came out, Xu Xuan pinched his hands, and the inhaled heaven and earth aura suddenly followed the route in Xu Xuan's body for a great cycle.

As time passed, Xu Xuan's face turned red.

The aura of the surrounding heaven and earth was frantically inhaled by Xu Xuan, and when it was thin to a certain extent, Xu Xuan finally felt that his dantian was already saturated.

The body suspended in mid-air slowly fell to the ground, and Xu Xuan, who was sitting cross-legged, opened his eyes with a trace of puzzlement.

"Senior, what should I do now?" Xu Xuan asked.

"Scattered along the limbs!" ordered the elder.

"What?" Xu Xuan was shocked.

For Xu Xuan, the aura of heaven and earth that he had just worked so hard to condense was extremely rare, and if it was dispersed all of a sudden, wouldn't the previous hard work be in vain?

"If you are told to disperse, you will disperse!" Qian Lao didn't bother to explain, and ordered again.

Xu Xuan shook his head helplessly when he heard this, and raised his hands over the top one by one.

Whew—

With a strong whirlwind, the spiritual power in Xu Xuan's dantian suddenly leaked out, and slowly flowed out of the 108,000 pores of his body along his limbs.

After about a stick of incense, Xu Xuan felt that it was finally clean, slowly opened his eyes, and looked around.

It seems that there is a lot of commotion just now, but the cave is as quiet as before.

"The aura of heaven and earth in this realm is indeed thin, and I can't imagine that the first time you quench your body, you kid has reached the peak of innate nature. Feng Lao commented.

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