"...... Chop"

"Chop, chop, chop, chop, chop, ......"

Xiao Mo's mind turned into a sword, and one after another sword lights flashed, killing all the demons that appeared in front of him.

As more and more heart demons were killed, Xiao Mo's speed became faster and faster, and the techniques of killing heart demons became more and more skilled.

In the end, even with every flash of sword light, seven or eight heart demons split at the same time, turning into black smoke and dissipating in an instant, and terrifying screams continued to echo in his ears.

At the beginning, these screams could still affect Xiao Mo's heart, and in the end, he was no longer moving, no matter how terrifying the scene of those heart demons dying in front of him was, no matter how tragic their screams were in his ears, Xiao Mo turned a blind eye and heard them.

But depending on the appearance, they just don't look, don't listen, and don't speak.

Time passed minute by minute, and the demons that appeared in front of Xiao Mo became fewer and fewer, less and less, and gradually, Xiao Mo's heart slowly quieted down.

He only felt that deep in his heart, those obscure things had disappeared a lot and become a little purer.

Just like the original piece of crystal full of impurities, with the sword and sword slashing, one by one the demons disappeared, and the impurities in it slowly faded and turned into a crystal pure green crystal.

Xiao Mo's whole person seemed to be lighter, removing some impurities that shouldn't be there, and becoming cleaner and purer.

"Sublimation!"

"This should be what it feels like to be sublimated, right?"

Xiao Mo opened his eyes, there seemed to be a faint light flashing in his eyes, although his cultivation had not improved, but he felt that his whole person, whether it was operating the heart yuan force or condensing the heart yuan force, was faster and more stable.

And that's just the beginning.

Knowing that the opportunity to enter the Heart Refining Grotto was precious, Xiao Mo did not waste time, and after resting for a while, he entered the fixed realm again, and the surrounding stone walls were scattered with gray light, wisps of light, shining on his body.

Slowly, deep in his heart, those obscure thoughts were born one by one, and then quickly grew stronger, and finally turned into thousands of devils with teeth and claws, rushing towards him.

"...... Chop"

"Chop, chop, chop, chop, chop, ......"

One sword light after another appeared, and Xiao Mo's mental power was rapidly consumed, but his whole person seemed to be faintly emitting light, but he was in the fixed realm, and he couldn't see it.

And this scene is not only here for Xiao Mo, but also for other places.

Li Qianxiang, Zhan Ruoshui, Wang Xuanlong, Xia Yajun, Ram Xuefeng, Linghu Yushan......

Everyone who entered this heart refining grotto has made more or less progress.

Of course, there are also people who are more weak-willed, and at the beginning, when those demons appeared, their minds were frightened and weakened for a long time.

Next, by the time they got used to it, too much time had passed, and it was extremely difficult for them to gain anything from this rare spiritual trial.

Everyone's circumstances are different, their reactions when they meet their demons are different, and their resistance is different when they meet demons.

How much you can get in the end is completely different.

......

Time passed day by day, and in the blink of an eye, half a month had passed.

In the Heart Refining Grotto, it was still the same place, and Xiao Mo was still sitting cross-legged.

Although only half a month has passed, he seems to have undergone earth-shaking changes.

His aura was still only in the middle of the Qi Realm, but his momentum seemed to have increased by two times compared to the original, or even more than before.

In this small half a month, of course, he is not all killing the demons, after all, the demons are inexhaustible, as long as the human heart still has desires, the demons will not disappear, and they will always continue to appear.

And constantly using the power of the mind is very tiring, and the mind is consumed very quickly.

Therefore, for the rest of the time, Xiao Mo took the eight Cold Qi Heart Pills and cultivated the Xuanming True Skill, and at the same time, he also took a part of the time to absorb and refine the last Nine Shadows Thunder Stone, further enhancing his Void Heaven Thunder Step realm.

In this small half a month, Xiao Mo had already taken all the eight Cold Qi Heart Pills, and the realm of Xuanming True Achievement was even more consolidated, and there was not much distance from the middle stage of Dacheng.

And the last piece of the Nine Shadows Thunder Stone, he also refined half of it, and the Void Heaven Thunder Step was promoted again, reaching the peak of the middle stage of Dacheng, and it was only one step away from the late stage of Dacheng.

However, the greatest progress is still the evolution of the mind.

In this small half a month, Xiao Mo killed at least 1,000 Heart Demon Yaksha every day, and in half a month, it was more than 15,000, and the number would only be more, not less.

And in the past half a month, Xiao Mo originally didn't know much about the demons, but after this little half a month, he became more and more familiar with the demons, and even found that although the demons were terrible, they were not omnipotent.

Even sometimes, the existence of inner demons is not all bad for monks, but also good.

It arises from the dark side of the human heart, and there is light and darkness in the human heart, and there is justice and evil.

Everyone's thoughts are one after another, and many miscellaneous thoughts are like weeds growing under the water, which seem calm on the surface, but there are already turbulent undercurrents underneath.

Sometimes, they lie dormant quietly and are not too noticeable.

But once you reach a certain extreme situation, this shadow side, evil thoughts, or those distracting thoughts will be infinitely magnified, and it is very likely that there will be demons in the heart.

It can be both permanent and sudden, and it is good at stealth, disguise, and aggressiveness, and it can devour the dark side of people's hearts and souls, and it can grow into a giant monster.

However, although it can devour people, on the other hand, it can also exercise people.

Just like this heart refining grotto, the principle is very simple, in fact, there are a large number of heart magic stones around it, these heart magic stones can seduce out the distracting thoughts in people's hearts, and finally transform into many large and small heart demons to attack the host.

However, if the host's mind is strong enough to destroy it before its destructiveness is revealed, it can continue to increase the power of the person's mind.

So in that respect, it's beneficial.

As soon as the spiritual power is strong, many aspects will be improved, and the people in the world often say that "defeat yourself", "man's greatest enemy is himself", etc., all refer to the demons of the heart.

The existence of the inner demon is undoubtedly the bottleneck of human progress, but once the inner demon is broken, human beings can also make their spiritual power grow by leaps and bounds.

Therefore, from this aspect, the existence of demons also has its meaning.

Thinking of this, Xiao Mo suddenly remembered an ancient legend.

Legend has it that in ancient times, there was a Buddha of Light who preached compassion, and among the Buddha of Light, there was a top powerhouse named Master Bodhi.

One day, Master Bodhi met a young man and discovered that he had a demon that had devoured most of his soul.

So the priest deliberately told him that he had no demons, but the young man didn't believe it, and the two made a bet to kill each other's demons, but the young man really couldn't find the demons in the depths of the priest's soul, and the priest also took this opportunity to help the young man get rid of the demons.

In the end, he will become a generation of great virtues.

And it was such a simple legend, but it made Xiao Mo see something different.