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The snowflakes have long since disappeared, and the bright sun shines on the vast snowfield, and this white world has quietly changed. Pen @ fun @ pavilion wWw. ｂｉｑUｇE。 The thick snow on the ground gradually began to melt, and the melted snow water gathered into winding streams, and the black frozen soil quietly appeared, and scattered grass sprouts appeared in many places.

All these changes occurred almost in a day, and there were no more howling cold winds in the clear sky, as if they had disappeared, and the world was peaceful and serene.

Suddenly, three strange white flashes appeared in the air hundreds of meters above the ground, and three magic crystal shuttles appeared silently.

They hovered silently in the air, and one of the shuttles opened a portal, and four or five demon mages flew out of it with shields and magic wings, and quickly descended to the ground.

The ground was littered with charred wreckage, belonging to the same Crystal Shuttle, which had been cruising the skies of the Far North only a day before, but now it was a man-ship that had been destroyed.

Not far from the wreckage of the shuttle, there were many more corpses and some ruined skids, and it was clear from the current situation that a tragic massacre had taken place here not long ago.

Several magicians scrutinized the surroundings and examined many corpses, before finally gathering around a handsome white-robed mage.

"Master Aisius, there are no survivors, they look like they have been killed by the same kind of demonic beasts, and there is almost no resistance...," a black-robed mage whispered.

This white-robed mage is none other than Ayisius, the lord of the Demon Clan's Winter Magic Tower, one of the three giants of the Demon Race under the Demon Lord, he once competed with Han Fei in the Titan Empire's Magic Nest, and the result was that both sides were defeated, and Aisius retreated to the Blackstone Demon Castle.

The face of this god-level magician was quite ugly, and his eyes were full of anger: "It must be the hand of that person, who else but him can destroy a magic crystal shuttle?" Lord Demon Lord really said that he was not wrong, that person should have followed the snow mastiff convoy out of the demon capital, and was discovered by the shuttle before attacking the mouth!"

In addition to the anger, Aisius was more heartbroken, the resources of the Extreme North Continent were poor, and it was extremely difficult to build a magic crystal shuttle, and the accumulation of hundreds of years had to have the current scale, and if one was lost, there would be one less, and it would be impossible to replenish it in a short period of time.

It's just that what Aysius didn't expect was that Han Fei was not following the convoy at all, but hiding in the convoy disguised as a demon.

"Inform all the shuttles, give up the search and assemble the Blackstone Demon Castle, the warm season has come, we can't disperse our forces to search!"

"But the Demon Lord's orders..."The black-robed mage hesitated.

Aysius waved his hand: "I will explain to Lord Demon Lord that our first task is to cooperate with the expeditionary army to break through the barbarian defenses. ”

After a pause, he said again: "And I still suspect that that person may be heading for the Black Stone Demon Castle, because except for the Demon Capital and the Demon Castle, other places have nothing to do with the overall situation. ”

"Now listen to my orders and go back to Blackstone Castle!"

"Yes, my lord!" several magicians bowed in unison.

Aisius looked into the distance, his eyes flashing with ferocity, and for some reason, he sensed that in the near future, he would encounter this mysterious and powerful foe head-on.

It was going to be a battle of life and death!

......... At the same moment, thousands of miles away, the Blackstone Magic Castle.

As Aysius had guessed, Han Fei was heading for the Demon Castle and following a caravan towards the Demon Clan's largest fortress base.

After shooting down the Crystal Shuttle and wiping out all of the Svo's Wolf Adventure Group, Han Fei set out on his own. Luckily, the wind and snow stopped, so it didn't take him too long to spot a caravan and track him to Blackstone Castle.

More than three hundred years ago, when the demons excavated the first black stone here, the blackstone magic castle grew up with the ambitions and dreams of the demons, and after hundreds of years of construction, it finally formed its current scale.

Blackstone is a type of black stone that can be burned, it belongs to a type of underground mineral deposit, and it is used as a heating material and fuel for refining metals in the Nine Heavens Continent, very similar to the coal in Han Fei's previous life.

This huge fortress standing on the snowfield is made of obsidian essence stone in the black stone, which is extremely hard and comparable to metal, has a high magic resistance, and is also a relatively scarce mineral deposit in the Nine Heavens Continent.

However, under the snow fields and snow-capped mountains near the Blackstone Magic Castle, there are extremely rich blackstone resources, which provides the most important source of materials for the demons to build the Blackstone Magic Castle.

The walls of the Black Stone Demon Castle are as high as more than 20 meters, and there are many high-rise towers in the fortress, which can accommodate up to one million troops and residents, and the demons have always regarded it as the base camp for counterattacking the Nine Heavens Continent, and now there are at least eighty percent of the strength of the demons here, and there are many armies and adventure teams coming from all directions, because the fortress cannot be accommodated, many temporary houses and tents have been erected outside the city.

This black giant fortress made an extremely deep impression on Han Fei, as if it should not exist in this plane, it was more appropriate to belong to the abyss world.

In addition to the many houses and magic towers in the fortress, there are huge chimneys that rise into the sky, and the top of each chimney is constantly spewing gray-black smoke, and the smoke emitted by hundreds of chimneys obscures the sky, which looks extremely shocking.

There was an unpleasant smell similar to sulfur in the air, and from time to time, a lot of fine black dust fell from the air, contaminating the houses and people, and it was as dirty as the heavily polluted city in Han Fei's previous life.

As the most important threat to the Nine Heavens Continent, the Barbarian Titan Empire had never stopped collecting intelligence on the Blackstone Demon Castle, and Han Fei knew that the smoke emitted by these chimneys was produced by burning a large amount of Blackstone.

In the resource-poor Far North Continent, blackstone can be said to be the most important material of the demons, since the discovery of a huge amount of blackstone deposits here, the magicians in the demons have studied hard to make the most of the blackstone resources.

They use a special magic array to heat the black stone, compress and store the energy generated by the combustion, and finally transport it to places such as the magic capital, where it can be used to drive magic equipment such as the magic crystal shuttle, provide an energy source for the underground greenhouse farm, and of course, it is indispensable to refine weapons.

It can be said that if there were no black stones, the demon race might not have perished, but it would definitely not have been able to accumulate the power to return to the Nine Heavens Continent.

In Han Fei's opinion, this Blackstone Demon Castle is very much like a rising industrial city, with a dense population, many chimneys and buildings, and an endless stream of caravans and mines... Although the demons are the old enemies of the continent, the civilization they founded will always be above the four major races.

After paying the entrance tax for one silver coin, Han Fei entered the Blackstone Demon Castle with a hint of a different mood.

A convoy full of blackstone mines passed by, spilling black slag along the way, but it was not wasted, and many poor people with brooms and dustpans rushed out of the alleys on both sides of the street, scrambling to grab the blackstone slag on the ground.

They inevitably caused some chaos in the bustling streets, and the patrolling demon soldiers immediately rushed over with their leather whips and curses, while the poor people who robbed the stone slag immediately scattered and fled in the blink of an eye, disappearing into the alleys in the blink of an eye.

The pedestrians on the road were clearly accustomed to this, and they skilfully avoided the soldiers and the fleeing paupers, and no one made a fuss about it.

The crowd was surging, and Han Fei had to retreat under the eaves of the porch next to the street.

Suddenly, he felt something unusual, and with a flip of his wrist, he grabbed a small black hand that was touching his waist!

"Oops!"

An immature cry of pain followed, and Han Fei turned his head to look, and found that he was catching a demon boy who was no more than ten years old, with shabby clothes and a dirty face covered with black ash, all indicating that this was a beggar thief.

There is light and darkness, there are nobles and untouchables, and the demons are no exception, in this giant city fortress, it is normal to encounter a thief, but this thief's eyes are really not good, and he actually paid attention to Han Fei's head.

"Get out of here, it won't be so cheap next time!" Han Fei said coldly, shaking his hand and throwing the other party out.

The boy staggered and fell to the ground, causing the laughter of several passing adventurers, and his purple eyes showed shame, and he quickly got up from the ground and ran into the alley next to him.

Han Fei shook his head and continued to move forward, when he first arrived, he had to familiarize himself with the situation here first before making plans, the spring of the Extreme Northern Continent had arrived, and the demon army would attack at any time, leaving him not much time.

In fact, even though he had entered the Blackstone Demon Castle, Han Fei hadn't thought about what he was going to do, and even though he was an eighth-order legendary warrior, he couldn't act unscrupulously here.

The unexpected situation appeared again, Han Fei had only walked twenty or thirty meters, and suddenly the wind sounded from the side, and a fist-sized stone smashed towards him with a rather ferocious momentum!

It was a fool's dream for such an attack to hit Han Fei, and he just turned his head slightly to avoid the incoming stones.

Han Fei turned his head to look and found that in an alley next to him, the young thief just now was standing more than ten meters away and making a provocative gesture at him, there was no doubt that it was he who threw stones at Han Fei.

Want to take revenge? Han Fei smiled, this thief's revenge is really not ordinarily strong.

Seeing that Han Fei didn't seem to be angry, the thief actually threw another black stone with a wave of his hand, but this time he was caught by Han Fei and crumpled into pieces in his hand.

(To be continued)