Sitting in his laboratory, Jost is concentrating on the materials in the bottles and jars.

The vine sample of the Abyss Flower still showed vitality even after being separated from the main body and soaked in solution.

There was the hair of a winter wolf, and the coldness was around its silver fur, and even the bottle was frozen.

There were also some strange black objects trapped in sealed flasks, wriggling constantly, as if they would break the bottle and come out at the next moment.

In addition, there are all kinds of potions. It is easy to imagine that if these things were mixed, it would probably cause hundreds of explosions before the situation would be resolved.

Jost coughed twice, then continued to observe the status of the materials and took careful notes.

"The Abyss Flower is one of the twelve demonic tides. These plants are believed to be the main components of the Black Forest. They are not very powerful and can be prevented to a certain extent by using fire, but the leader of the Abyss Flower can devour flames. The last time the Abyss Flower appeared..."

He observed the growth of the vines in various solvents, trying to find something that could restrain them.

Xia also looked around the house with curiosity. There were many things here that she might not be able to see with her own eyes.

For example, the specimen of Abyss Flower. In Xia's era, this magic tide of Abyss Flower was called Thorns. It was one of the relatively easier magic tides to deal with, because humans at that time would use a large amount of something called Glimmer Potion, which could be sprayed on the Black Forest to suppress the spread of Abyss Flower.

It seems that in this era, the Glimmer Potion has not yet been discovered and the Abyss Flower is still a headache.

Shia discovered a settlement of Abyss Flowers near the Black Forest in Dusk Town. The existence of monsters of the magic tide so close to humans was unimaginable in Shia's time.

In Xia's time, the agents of the Grey Tower and the rangers of the Black Tower walked on the edge of the Black Forest. They also built fortresses in the Black Forest. In the depth of hundreds of miles, such monsters would not appear in the eyes of ordinary people unless the demon tide rose.

"...I remember that if you mix Russell solvent and the juice of the dazzling flower in a ratio of 1:1.5 and heat it to boiling, you can get the glimmer potion. This is our compulsory course."

Xia commented on Jost's behavior.

"Uh, Russell Solvent?"

Jost was a little confused.

"Oh, I forgot. It's the second bottle on the right."

Xia pointed to Jost's hand.

The bottle of potion was bright yellow in color, and the abyss-like vines soaked in it lay motionless, as if something had stopped them from growing.

"It turns out it's a liquid soaked in hornbill feces. I'll try it."

Jost took out a brand new bottle of solvent from the shelf, mixed it with another bottle of gleaming silver solvent according to the proportion Xia said, and boiled it. The room was immediately filled with a stench that could make people vomit their breakfast.

After all, Russell solvent, the solvent named after its discoverer, is essentially feces, and boiling feces is not something that sounds appetizing no matter where you are.

Trist, who was standing by, suddenly regretted sitting here and watching the two people talking. He felt nauseous in his throat and went straight to the window and started vomiting.

Xia was unmoved. When she was studying in the Gray Tower, she was often exposed to worse smells than this. She even wanted to eat something.

Pouring the boiling solvent into another flask, Jost took a slowly wriggling vine of the Abyss Flower and put it in.

After a moment, the vine of the abyss flower stopped wriggling, and the surface began to turn white, just like a human finger that had peeled off after being soaked in water for too long. The vine's epidermis fell off, revealing the red, flesh-like stems underneath. After a while, the vine completely disintegrated and turned into scattered debris.

This is similar to the scene Xia had seen before.

When the magic tide of Abyss Flowers comes, the mages will spread these solutions on the tower. As long as the concentration reaches a certain level, the vines of Abyss Flowers will wither quickly, preventing them from advancing. Combined with flames, when the three-day blood moon comes, such operations can at least avoid the use of most torches on the first day.

Of course, on the second and third days, when the Lord of the Abyss Flower and its followers appeared, these physical means became unsustainable, and only the mages could barely resist.

"This is amazing. If this medicine is produced in sufficient quantity, will it be possible to completely resist the magic tide of the Abyss Flower..."

Jost stammered a few words and suddenly felt a little lost.

"Ms. Shia, it seems that the Abyss Flower has not been completely erased in the future, right?"

He suddenly looked at Xia.

"……Yes."

Xia nodded.

They did not tell Jost about the Chosen Ones, but after communicating with Xia for a few words, Jost quickly guessed that they were from the future.

I have to say, Jost is indeed quite smart, just like he did just now.

If the Abyss Flower has been completely destroyed, then this potion that targets the Abyss Flower should not exist in Xia's common sense, and it is even less likely to be a compulsory course for mages.

Jost was able to infer future situations based on just these few words.

"It seems that twelve is the limit. From now on, no wizard will be able to completely wipe out those demonic waves."

Jost's expression was gloomy.

"Agni the Fireburner, Jason the Questioner, these mages once completely wiped out the lords of the Demonic Tide, reducing the original larger number of Demonic Tides to the current twelve, but they have long since fallen."

These mages he mentioned were mentioned by Xia in the secret documents of the Grey Tower, but there were too few records about them. Apart from destroying the Demon Tide Lord, all that remained was the curse they left behind.

"It is said that a powerful wizard can leave a curse before he dies. In the Black Forest, there are many wizards' curses left behind. Maybe these demonic waves are curses left behind by some ancient wizards on this world."

Jost sighed.

Xia suddenly spoke.

"No, at least in my time, there are only eleven demonic waves left, and the frost has disappeared."

She glanced outside and saw Lu Ban on the watchtower with the Baron.

“That’s great.”

Jost smiled sincerely and asked again.

"Ms. Shia, you said that I created a new magic system after this that would allow everyone to use magic. Is that true?"

"That should be right. This should be the cradle of future mages, the location of the Gray Tower."

Shia nodded.

She didn't know what impact such communication would have on the future, but since she was in a closed loop of fate in a foreign land, what she said should not have much of a butterfly effect.

Is it because Jost was dying and he only built the Grey Tower and the prototype of the magic network, so he was unable to leave any records?

Or maybe he was smart enough to know the importance of the closed loop of fate, so he deliberately concealed this part of history?

"Then, Ms. Xia, can you help me create this magic system?"

Jost asked expectantly.

"I don't know... Because we only know how to use the magic network, not the underlying structure. I don't know if similar magic can be realized in this world."

Shia answered uncertainly.