In the tavern of Eagle City, Ranger Ruth had just drunk his last glass of wine on the surface, and sitting across from him was a middle-aged man with red hair and a beard, a high-ranking member of the Ironheart Adventurers Association, and it was only through his strong recommendation that Ruth was able to become a member of the Royal Underground Investigation Team.

"Ruth, you don't have to be so nervous, I've checked the classics before, the underground world is indeed very dangerous, but the things that generally pose a threat to humans are nothing more than goblins, porcupine people, worms and other low-intelligence creatures, if you want to solve these things, it should be easy for you. The middle-aged man shook the oak beer glass in his hand and smacked his lips, this is the so-called authentic dwarven beer, it tastes very bad, there is no aftertaste at all, if it weren't for Ruth's insistence on coming here to meet, to a person like him who pursues quality, he would not come to such a messy place to drink.

"If the book was really useful, there wouldn't be so many adventurers dying every year, and as a high-level person, you shouldn't be unaware of this truth. Ruth looked at the empty wine glass, and there was a hint of disappointment in his vicissitudes of life, he didn't expect that the wine worth 20 eagle copper coins would be drunk so quickly, and he didn't even feel a little drunk.

"Of course I know, I just want to advise you to relax, you've been in a state of mental tension lately, which is not conducive to combat. The middle-aged man put down his glass and said solemnly.

"I'm nervous? Okay, maybe a little, but there's a reason I'm nervous. Ruth shrugged his shoulders and snapped the belt of his sword behind his back.

"What is the reason?" the middle-aged man asked suspiciously.

"Do you know the legend of the dwarven ruins? It is said that all the current human empire capitals correspond to a dwarven ruin, if the legend is true, we are probably going to have to fight the dwarven rune machine this time. Ruth's eyes narrowed, not knowing what he was thinking.

"In that case, I hope you are ready, you are my savior, and I have done everything I could to fulfill my original promise to send you to the Royal Investigation Mission, and I hope you will not disgrace the Iron Heart Adventure Society. The middle-aged man took out a white handkerchief from his pocket and wiped his mouth.

This action is very unique in the tavern, because in this kind of tavern, no one wipes his mouth with a handkerchief, but the middle-aged man does not care about the eyes of others at all, and does his own thing.

A few drunks wanted to come over to find trouble, but they were glared at by Ruth, and when these drunks saw the iron sword behind Ruth, they instantly sobered up a lot, and left with a curse.

As night approached, the two men noticed that the tavern was getting more crowded, and decided to end the conversation.

"Have a nice trip. The middle-aged man waved his hand.

"There's no wind in the underworld. Ruth replied nonchalantly, and then walked in the direction of the Imperial City.

The middle-aged man watched in silence as Ruth's back faded into the night, and he wondered if he had made the right choice.

According to his investigation, this ranger is from the Parks Wasteland in the eastern part of the empire, is a small nobleman, he joined the adventurer association two years ago, in the past two years he has basically only taken on some small tasks, in the association is an unknown guy, but in this month, he suddenly completed several extremely difficult tasks one after another, and the ranking in the adventurer association is also rising like a rocket, starting from the bronze level, jumping five levels in a row, directly to the highest black dragon level.

Originally, a guy in an abnormal situation like Ruth would not have had a chance to be recommended by the Adventurers' Association, but this Ranger was very lucky, and he accidentally saved the life of a middle-aged man during a mission, and saved a large amount of important supplies, avoiding a huge loss for the Adventurers' Association, which earned him a place in the Royal Investigation Team.

Afterwards, the middle-aged man also investigated that the reason why Ruth was able to save his life was indeed due to an accident, but the strange thing is that this powerful and experienced Ranger didn't want any rewards, and just wanted to enter the royal investigation team to investigate the anomalies of the underground world, which was too strange to make many people doubt his purpose.

The news that the royal family was going to send an investigation team to the underground world has always been a secret, and I don't know where Ruth got it, but with the strong recommendation of the middle-aged man and his own strength, he was finally selected for the investigation team.

"Forget it, it's too late to change people now, and" The middle-aged man remembered the sword that Ruth cut when he saved his life, that sword was enough to change the color of the heavens and the earth, and the sword qi took off the enemy's head from hundreds of meters away, while the middle-aged man next to him was unharmed, only a piece of his beard was cut off.

The middle-aged man remembered that the Ranger used a very strange sword, it was a black cylinder, it looked terrible ugly, like a burning stick, but from the inside was the power that was released, and if the Ranger wanted to, he might be able to split the Eagle Fort in half.

"Who is this guy who is sacred, what is he doing in the underground world?" Thinking of this, the middle-aged man shook his head, if there is something he can't figure out, then put it aside first, it's not too early, he has to hurry home and sleep.

At the same time that the middle-aged man left the tavern, the white wolf also ended his search in the snake village, and found many books in addition to food, drinking water, honey and wine, and other things to swallow in his stomach.

The snake people seem to be a race that likes to collect books, and the white wolf has turned out a lot of books in their house, which are written in the lingua franca of all souls, so the white wolf can also read what is written in the books.

Some of these books describe the history of the snake people, some of them contain a variety of knowledge, and some of them are religious books that describe the snake gods.

The white wolf opened the books that recorded all kinds of knowledge, and when he saw the content about the underworld, he couldn't help but smile bitterly, basically few of the things written on this book were correct, but at a glance, he found many common-sense errors, for example, in one chapter, it actually said that the color of fluorescent moss was cyan, and such a book full of errors could not be used as a reference for the development of the white wolf in the underground world.

The white wolf closed the book in disappointment, he wondered if the author of this book had really been to the underground world, because as long as he had been to the underground world, he would never mistake the color of fluorescent moss, and he was afraid that a considerable part of this knowledge was conceived by the snake man who wrote this book.

However, these books are not useless, and the knowledge about the surface part above is quite accurate, which is basically consistent with the common sense that the white wolf knows, and can be used as a knowledge aid for the future development of the surface base.

What's more, these books also draw some rune circles that the white wolf has never seen, and there are some very novel structures on them, if the white wolf can study them clearly, the mastery of the rune circle will definitely be able to go to a higher level.

According to what is written in the book, these rune arrays were slowly developed and perfected by the patriarchs of the snake people of the past generations, and it can be said that they have condensed the wisdom of several generations of snake people, but for the white wolf with excellent ability to decipher the magic circle, learning them is only a matter of minutes.

"These books can be considered war reparations. The white wolf called the goblins over and asked them to remove all the books that belonged to the snake people, which was the only thing they got from this expedition.

For such a plundering behavior, the white wolf did not feel any guilt, because it was the snake people who attacked him for no reason, in this matter, the white wolf occupies the moral high ground, after the victory, there is no way to make the other party cut the land and pay compensation, so he can only get some books.

"You go and search again to see if there is anything else of value, and besides, all the books are to be packed and shipped. After the white wolf searched for the side by himself, he was still worried that there would be a mistake, so he organized the goblins and asked them to start a carpet search again, but this time the target of the search was not the survivors, but the books.

These snake books are all handwritten on yellowed paper, and from this point of view, the snake people have developed papermaking, but it seems that the technology of printing has not yet been pointed out, which means that the value of a book here can be very high.

In the original world of the White Wolf, in ancient times, because it could not be printed in large quantities, the value of books could be very high.

If the purchaser is interested, a book can even be exchanged for an estate. Living in a different world with a technological level equivalent to the European Middle Ages, the white wolf is naturally very happy that he can get so many books in one go, these books are not used to decorate the façade, and the knowledge about the other world above is the most important.

White Wolf himself is also a person who likes to read, although what he likes to read the most is the kind of "useless thing" that is often described by parents as idle books.

After careful calculation, the white wolf himself has not touched a book for more than a year, and the consequence of not having it for a long time is that his brain feels a little rusty, and he decides that he will study these books slowly after he goes back, not the kind of acceptance that swallows dates and does not distinguish between right and wrong, but selectively accepts.

After all, he didn't read these books to enjoy in his spare time, but to use them in reality.

"Maybe I should go to Fox Village to see later" The white wolf thought of the fox village again, although it was said that it was now in ruins, but maybe some surviving books could be found from it, in fact, the white wolf did not have much hope, as a person who witnessed the destruction of the fox village, the white wolf knew that almost no books could survive the fire.

"War is indeed a disaster for civilization. Thinking of the fate of those books and knowledge, the white wolf couldn't help but sigh, in the wars, I don't know how much precious knowledge was lost like this.

But war is inevitable, and why? Just look at these misconceptions, which describe goblins as evil creatures like demons, and yet, as a white wolf who has lived with goblins for a long time, it is perfectly clear that this is a denigration of the goblin race.

No matter how brutal the goblin is, no matter how dirty, no matter how low the intelligence, after all, it is still a group of order creatures, which the white wolf has seen with his own eyes, when fighting with the giant ants, the group of priests he taught are really fighting bravely, and no one retreats, and finally they hold on until the worms arrive, and the giant ant colony retreats.

Practice has shown that goblins will sacrifice themselves for the benefit of the whole, and those priests know that they are ordinary goblins behind them, so they will fight desperately, even if they pay a heavy price.

Self-sacrificing for others, this quality actually appeared in the lowly goblins, and the white wolf thought it was a little unimaginable at first, but anyway, after fighting side by side, the white wolf's opinion of the goblins has changed greatly.

The white wolf knows that with the development and growth of the territory, contradictions, misunderstandings, and disputes will come one after another, even if he doesn't go to others, others will come to trouble him, no matter how strong he is, no matter how strong the goblin is, it is impossible to single-handedly challenge the whole world.

Both the white wolf and the goblins need the understanding of other forces to make these forces understand that the goblins are not a threat to this world, but a defender of order, otherwise they are likely to be regarded as the Great Demon King and attract the hostility of the whole world.

The enemy of the whole world, although this word is very cool and very second-class, but whoever really does this is a stupid person, and the white wolf has no confidence or courage to do it.

Communication is absolutely necessary to avoid becoming an enemy, because only communication can make both sides reach an understanding and avoid misunderstandings that lead to war.

"I seem to have done something wrong?" Looking at the snake people village in front of him, which had been turned into a mess due to plunder, the white wolf suddenly wavered a little about his approach, but this vacillation only existed for a moment.

It was not the white wolf who refused to communicate, but the snake people, from the undeclared war to the rapid retreat, it was the snake people themselves who were doing trouble, the white wolf just passively responded to the battle, and wanted to take the opportunity to expand the results of the battle, from beginning to end, he did not get the opportunity to talk to the snake people.

"Report, we've found this thing!" the white wolf's train of thought was interrupted by the goblin, who had arrived to report, and the goblin was holding a yellowed piece of paper with some messy words and patterns written on it.

The white wolf took the paper and carefully read it, although the text was very scribbled, but he could still roughly make out what was written on it.

"How is this possible?" the white wolf gasped, what was written on the paper was so terrifying that his heart beat a beat slower.