It's not a big deal.

At the beginning of this rain, not only the disciples of the Moon Cold Palace, but also the ancestors of the Moon Cold Palace were not a big deal.

After all, it's just a rain.

Admittedly, the rain came a little suddenly, a little weirder.

The rain seems to be mixed with corrosive power, not only can it corrode clothes, but even the true element can melt little by little.

But...... In the eyes of the Immortal Emperor-level ancestors, this small rain was just a little troublesome.

It's just that when a certain patriarch made a move and was about to disperse this rain, he unexpectedly found that many spells to control rain and water had lost their previous effects in the face of this heavy rain that enveloped the entire small world of the Moon Cold Palace.

All spells, in this rain curtain, seem to have lost their due magic, and have become useless tricks.

Even, after the patriarch made a move, he found that the immortal yuan attached to the spell by casting a spell was eroded little by little in the heavy rain.

Not only that, but under the erosion of heavy rain, the immortal yuan was completely melted.

The heavy rain seems to be getting tighter again.

It's like...... This rain can devour the immortal yuan to strengthen itself.

The patriarch who did not believe in evil struck again and directly did it with all his might.

After several attempts, it turned out that it was just a slightly strange heavy rain, and it didn't look like it could bring a devastating disaster.

But this heavy rain can swallow everything under the rain curtain, return everything to its origin, and use it to strengthen itself.

If this continues, as long as there is anything other than rain under the rain curtain, it will be eroded by the heavy rain, melted little by little, and become a part of the rain.

As long as there is something, the rain will keep falling.

As long as it rains, everything under the rain curtain will be eroded.

After a few attempts, the ancestors of the Moon Cold Palace, who discovered this situation, finally paid attention to this rain.

It's just that several patriarchs joined forces, but there was still no way to deal with this heavy rain.

The rain is heavy, but it can't hurt anyone.

But no matter how strong a person is, he can't help the rain.

It seems that they can't find any other way to deal with it except to watch this heavy rain submerge the entire small world of the Moon Cold Palace, destroy everything under the rain curtain, and destroy the sect that the Moon Cold Palace has accumulated and built for hundreds of millions of years.

In a quarter of an hour, the many plants and trees in the Moon Cold Palace still corroded, and the vitality passed little by little, swallowed up by the heavy rain.

As more and more plants and trees were devoured, the heavy rain became more and more intensive.

Half an hour, many plants in the small world of the Moon Cold Palace began to die.

First ordinary plants and trees, then spiritual roots, and then divine medicine immortal plants, nothing seemed to be able to resist the corrosive power of this heavy rain.

Half an hour later, some buildings with relatively ordinary materials in the small world of the Moon Cold Palace began to be corroded and destroyed.

First it was an ordinary building, then an important building, and later, even the main hall of the Moon Cold Palace, and the guardian formation in the Moon Cold Palace, were all eroded and infiltrated under this heavy rain.

An hour later, the entire small world of the Moon Cold Palace was already a mess, with destroyed buildings everywhere, and even the mountain peaks showing signs of melting.

The buildings were destroyed, the formations were damaged, and many disciples in the Moon Cold Palace had nowhere to hide, and they were exposed to the heavy rain one after another.

The erosive power of the rain can even destroy the robes on his body.

Unable to run naked en masse, everyone sacrificed shields to resist the erosion of the heavy rain.

It's just that with the passage of time, the strong are okay and are not afraid of consumption, and many ordinary disciples with average strength have gradually run out of support, and they are about to run out of true yuan.

Many people are aware of the seriousness of the problem.

If this continues, the entire small world of the Moon Cold Palace may be destroyed by this heavy rain.

Just when many disciples were at a loss, when all the patriarchs got together to discuss countermeasures.

Suddenly, some disciples noticed that in the heavy rain, all the buildings could not withstand the destruction, all the plants and trees were devoured, and even the mountain peaks began to melt little by little.

But there is only one place that has not been affected in the slightest from beginning to end.

The entire sect was plunged into disaster, except for one room, as if it was isolated in another world.

I was in the middle of the rain, but I was not affected by the erosion of the heavy rain.

When the disciples who discovered this raised it, more and more people noticed it.

Eventually, the matter caught the attention of the patriarchs.

The second-generation patriarch looked at the familiar room, and there was always a sense of foreboding in his heart.

This room ...... Isn't it the room of their Holy Son's alchemy?

The Holy Son seems to have been refining pills here for more than ten days, and he feels like he is about to refine the demon barrier.

It's just that...... Such a heavy rain, such a strange situation, didn't even call him out of the room?

Moreover, why did the entire Moon Cold Palace become the scene of the disaster, but only the room he was in was not affected in the slightest?

It's not true at all!

Her instincts told her that the strange rain was probably related to him.

Her instincts told her that the solution to the catastrophe caused by the heavy rain was likely to be found there.

So......

When the second-generation patriarch came to the door with someone, Su Han was trying to refine a newly invented elixir.

This is a kind of child-mother pill.

This elixir has no effect of improving cultivation, nor does it have the ability to attach attributes.

The elixir does not have any buff effect and does not cause harm to people.

The only effect of the pill is that after being ingested, it will lie dormant in the human body, record and interpret a piece of the images and sounds around the world, and at the same time read and record the thoughts and feelings of the user in the future for a period of time.

And these sounds, images, thoughts and perceptions will be synchronized to the taker of Mu Dan in real time.

In other words, if this elixir can be taken by tricking people, it is equivalent to installing an undetectable monitor on that person, which can monitor the other party's every move at any time.

Not only that, but in addition to being used as a monitor, the elixir can also play an auxiliary role in spiritual practice.

For example, when a master teaches a certain kind of exercise or supernatural power to an apprentice, the apprentice is relatively slow to learn and is slow to get started.

Then let the apprentice take the Mu Dan, and the master will take the Zi Dan, and once he has understood and comprehended this exercise or supernatural power, he can directly complete the synchronization through the connection between the two pills, so that the apprentice can learn and master it.

Of course, after all, it is someone else's perception, and it may not be able to reach a completely consistent degree in a short time, but it can at least play a great gain.

Alchemy was at a critical moment, and I saw that several patriarchs had come to me again.

While wondering, Su Han nodded lightly and greeted as a salute, because the pill was at a critical moment, and he didn't get up, nor did he look at anything more.

It's just that he was busy alchemy here and didn't pay attention.

But as soon as several patriarchs came, they immediately discovered the abnormality of this room.

The most intuitive anomaly is: at the top of the room, in the most central position, a familiar looking golden pill is dripping and turning against the roof.

I don't know what I'm doing, and it looks like it's going to take a lot of effort.