The sun rises and the moon sets, the white horse passes through the gap, and before you know it, half a year passes in a hurry. It is said that this cultivation has no time, and Han Yu has been unusually busy in the past half a year, meditating, practicing martial arts, specializing in classics, and has no free time for a day.

One point of cultivation and one harvest, from the two pieces of sundries in exchange for Xiao Yuan Dan, he finally broke through to the fourth layer of qi refining, and he could learn spells.

The nameless mantra has also been comprehended, Han Yu will still maintain the illusion of the third layer of qi refining, in order to verify that Han Yu also specially visited the old man surnamed Tai, and saw that he was not abnormal Han Yu swallowed his stomach with a heart.

In the past six months, he has been studying with each other every day, and his martial arts have also advanced by leaps and bounds, and he is almost close to the level of the peak of the second rate.

On this day, Han Yu was holding several Qi Refining Period spells obtained from Yun Jianbai's body, and now that he had stepped into the fourth layer of Qi Refining, he immediately had to choose a kind of self-defense.

The spells recorded on the page of the book include "Fireball Technique", "Wind Blade Technique", "Ice Spike", "Heavenly Eye Technique" and other four spells, and Han Yu also recognized the words of these spells, after all, he was also a full reader of ancient books, but the meaning of them still needs to be further understood.

But for the sake of insurance, Han Yu still transcribed the law decision, plunged into the pile of ancient books, and began to study the true meaning contained in the law decision.

He knows that learning spells is not a joke, if he doesn't succeed, it's just that, if he hurts himself, it will be a little unbeautiful, for the sake of his own life, he doesn't dare to be sloppy in the slightest.

After dozens of days of specialized research, Han Yu finally mastered the mantra of the "Fireball Technique", so he began the following real spell practice.

But when I actually practiced, I suddenly felt the drawbacks.

There was nothing wrong with the principle of the fireball technique, the method when getting started, the formula, the mana, etc., and the fireball also appeared at his fingertips, but Han Yu found that this trick could only be useful to mortals, as long as it was a cultivator of the same level, it could be easily broken.

Moreover, the mana consumed by this fireball technique is extremely large, and Han Yu's fourth layer of qi refining can maintain three to four mana before all of them are exhausted, and the speed of this fireball is also extremely slow, and mortals with superb martial arts can dodge it.

In that small courtyard, the old woman's light skills were not very good, and she also dodged a few fireball techniques, and if she was replaced by a snitch with excellent light skills, this fireball technique would become an ornament.

Now Han Yu is in a tangle!

Just use martial arts to deal with mortals, you don't need to use this fireball technique, he mainly wants to deal with immortal cultivators of the same level, or have a certain ability to protect himself!

The three spells of fireball, wind blade, and ice spike are all offensive types, and the Heavenly Eye Technique is an auxiliary type of spell, which can be used to deter mortals, and can be used to observe the thinness of the monk's spiritual power to judge the strength.

After thinking about it, Han Yu concentrated on studying the Heavenly Eye Technique, and at the same time went to Yunfeng's bookstore to see if he could learn a defensive spell!

"Brother Han, there are so many small shops of this defensive spell, but they must be purchased with spirit stones. ”

The shopkeeper understood Han Yu's intention, and said with a bitter face, he couldn't do this kind of thing.

Han Yu also sighed, and asked with a sad face, "How many spirit stones do you want?"

The shopkeeper took out a wooden book from the cabinet, pushed it in front of Han Yu and said, "This is the inventory of spells, and the price is marked on the back, you can read it yourself." ”

Han Yu took it and swept it down, and there were more than a dozen attack spells recorded on it, for example, the price of the fireball technique was five spirit stones, and the price of the quicksand technique was eighteen spirit stones, and the more high-level spells were, the higher the asking price.

The protective spell is also very valuable, Han Yu was shocked to see that the price of the Golden Shield Technique was as high as fifty spirit stones, but it was marked that it could support the full force of the monk in the foundation building period, and it was worth the price when he thought about it.

Han Yu didn't dare to look at the high price, and swept his gaze to the bottom, where was the shield of the Five Elements Spell, and the price was uniform, and he needed five spirit stones.

"Shopkeeper, I want a water attribute shield. Han Yu pushed the booklet over, opened his mouth and said, before the shopkeeper opened his mouth, he cried: "We are also old friends, you also know that my family, five spirit stones really can't be taken out, can you drop a little?"

The corners of the shopkeeper's mouth twitched, but the shield of the Five Elements Exercise was not a rare commodity, so he sold his favor and said: "Who let you fall in love with me, four spirit stones sold you!"

Han Yu fumbled in his arms for a long time before he took out three spirit stones from his arms and pushed them over: "Little brother will have three spirit stones now, don't worry, I will write an IOU and make up for it within a month!"

The shopkeeper was relieved when he saw Han Yu's downcast, took out a pen and paper and pushed it over, and at the same time collected three spirit stones without revealing a trace.

The shopkeeper came out from behind the screen, holding a few pages of paper in his hand, Han Yu had already made a contract, and the shopkeeper took a look at it and put it into the cabinet.

"Brother Han, you are also in charge of the original stones on the fourth floor of the basement, and you have hundreds of spirit stones that pass through every month, so you don't leave some for yourself?"

Han Yu stuffed the pages into his arms, sighed and said: "Brother, I won't hide it from you, my spirit stones have to be dotted, so many pairs of eyes are staring, I can save more than a dozen every month, and it will cost most of the money to buy pills, and these three spirit stones are still saved from between my teeth!"

The shopkeeper thought so, and the two of them chatted a few words, Han Yu said goodbye and left, and when they went out, Han Yu's face became indifferent.

There is no way to hide secrets in this mining area, if he directly takes out the spirit stone, there will definitely be people who suspect it, and if he does not reveal his wealth, he will be robbed if he shows his whiteness.

After a few days of careful study, Han Yu could barely hold up the protective shield of the water attribute, and he could barely hold on for half an hour without being attacked.

These days, Han Yu has practiced diligently, and every day he has been supporting the shield to learn the caution on the paper, integrating some skills, and living a leisurely life.

On this day, Han Yu went to clean up the spirit crumbs, and was about to take a nap after noon, when there was a knock on the door.

Han Yu opened the door, but the person who came was Xing Yuan, and he said with a solemn face: "There is an accident in this mine!"

"Huh?" Han Yu's heart was also tight, and the sleepiness that had just surfaced disappeared without a trace.

"Since last night, this mine rat has been going berserk and has started attacking us!" Xing Yuan said with a sip of cold water.

Han Yu also frowned when he heard this, he also knew the habits of mine rats after coming to the mine for so long, he generally hid when he saw humans, and only when he saw a pure rough stone would he attack, did he want to dig a more pure rough stone?

Xing Yuan explained yesterday's situation to Han Yu in detail, and Han Yu said directly after listening: "Take me to see!"

Out of the stone house, Xing Yuan took Han Yu through this maze cave, turned left and turned from time to time, came to a cave and went down five zhang, and walked forward for half an hour, and came to a stone milk mine cave.

More than a dozen mines were shouting in pain, and dozens of miners were comforting them, Han Yu frowned and said, "Everyone hold on, I'll go to the town immediately and bring some medicine for the injury." ”

"In addition, I will move the injured brother to a dry place to recuperate in peace, and I will provide free food these days. ”

Han Yu greeted the grateful eyes of the miners and added another sentence, the group of miners knelt down again and again, and even the wounded were forced to keep silent, for fear of angering Han Xianshi.

A new mine was excavated on the side of the stone milk cave, the ground was a little messy, and there were blood stains on the stone wall, Han Yu asked with his eyes, and Xing Yuan nodded.

"One of you should send me a detailed account of the situation. Han Yu said to the group of miners who were not injured.

Soon, a steady man was sent out, gave a salute to Han Yu, and explained the situation in detail.

What he said was similar to what Xing Yuan said, but Han Yu asked for some details very trickily. Knowing all the details, Han Yu asked the group of miners to disperse for the time being.

"Only fifteen zhang into the mine will you go crazy?" Han Yu muttered to himself, wandering back and forth in the stalactite cave, and poked his head out to look inside, and saw that there was no trace of the mine rat a few zhang away.

Xing Yuan stood on the boulder, did not urge or speak, could only think quietly for Han Yu, and after a long time, Han Yu asked, "Is there anything related to the excavated passage here?"

"My lord, we are going to dig all the way to the end, and we can faintly hear the sound of water here, and we want to see if we can connect to the waterfall river. ”

Xing Yuan replied respectfully and honestly, Han Yu frowned when he heard this, sighed and said, "You follow me in and have a look." ”

One of the two of them is a first-class in the rivers and lakes, the other is the peak of the second-rate in the rivers and lakes, and Han Yu is still a fourth-level cultivator in qi refining, so there should be no danger for the two of them to investigate.

Xing Yuan wanted to get a torch, but Han Yu said no. A monk at the fourth level of Qi refining can see seven or eight feet away at night, and having that torch will get in the way.

The two of them walked in and saw patches of blood, Xing Yuan took out the long sword, and Han Yu was ready to hold up the shield at any time.

Han Yu noticed that most of the rough stones here were low-grade, and this kind of rough stones could be found everywhere on the veins.

The two of them walked into Shizhang, and there was still no trace of the mining rats, but let the two of them walk into Wuzhang again, and there was a sudden "squeak" sound in front of them, and a dense sound came, and the next moment countless pairs of eyes lit up from the night!

Hundreds of mine rats pounced on the two, and Han Yu's scalp was numb when he saw it, and shouted, "Retreat!"

Xing Yuan stabbed to death the mine rat that rushed to the front with a sword, and retreated behind him while resisting, while Han Yu held up the water shield, and a group of mine rats pounced on it and bit it fiercely!

Han Yu felt that the mine rat was biting the water curtain mana and replenishing it continuously, so he used the little skill he had just learned to protect all the shields in front of him!

This water curtain became thicker, and Han Yu breathed a sigh of relief in his heart, these tips were also practical.

Although Xingyuan had some difficulty dealing with these mine rats, he could still resist them, but the long sword in his hand was pounced on by the mine rats and kept gnawing at them, and there were soon some gaps of different sizes on the long sword.

The two of them stood and retreated, and when the mine rats retreated like a tide five zhang away from the entrance of the cave, a few breaths of effort disappeared.

The two of them came to the entrance of the cave, Xing Yuan looked at the long sword and threw it away, while Han Yu's eyes lit up, and he didn't know what he was thinking.