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No matter what time of year, the thick night is a protection for all animals that walk at night.

There are relatively few people who are active at night, and even if there is a night vision drug, the visibility at night is not as good as that during the day, and if it is too far away, the effect of the night vision drug will be greatly reduced.

After the more than twenty water yuan crystals on the handle were consumed, Zhang Tie opened his eyes, outside the cave, although there was still wind and snow, but the whole heaven and earth were already pitch black, and the gloomy sky was covered by a layer of heavy lead-like clouds, and even the starlight could not be seen.

It's time to act.

The python fell asleep obediently next to Zhang Tie, not daring to move, Zhang Tie stood up and threw those water yuan crystals to the Black Iron Castle, and as soon as his mind moved, the chaos armor appeared on Zhang Tie's body, covering Zhang Tie's whole person from head to foot in the hard and hideous armor.

Zhang Tie performed a master-level stealth technique on himself, and the pitch-black chaos armor, like the skin of a chameleon, suddenly became blurred, completely blending with the background color of the cave, revealing the lines and textures of the stone.

Zhang Tie walked outside the cave, and the battle armor turned gray-black again, and the snowflakes falling from the sky fell on the chaos battle armor, and the entire chaos battle armor instantly appeared in a gray-black area, and large snowflake-like spots appeared.

Silently, Zhang Tie instantly rose from the bottom of the cliff, as fast as lightning, and suddenly rushed into the lead cloud of more than 20,000 meters in the sky, flying due north.

At times like these, the clouds are also cover.

Zhang Tie's Lotus Blossom Eye can see through the clouds and see things far away. Others don't.

Zhang Tie's speed is very fast, and he has already activated the flying ability of the Divine Master, and in just a moment's effort, the speed of the whole person has reached eight times the speed of sound, and at this speed, it is only a moment's effort. Zhang Tie crossed from Ningzhou to Huanzhou, and after crossing to Huanzhou, Zhang Tie changed another direction, turned due west, and began to fly in the direction of Helan Mountain.

At this speed, Zhang Tiefeng was galloping, like a ghostly lightning shuttling through the clouds, even if he was a knight in the sky, he would be out of reach.

It's just a moment's work. The familiar Helan Mountain appeared at Zhang Tie's feet.

Compared with the two sides of the Weishui River, the current Helan Mountain is another battlefield, because the terrain of Helan Mountain is complex, the mountains are high and densely forested, like a huge barrier spanning thousands of kilometers, and it is impossible for more than 10,000 troops to completely operate in the mountains, and it is very difficult for ground troops to move in the mountains. Many places in Helan Mountain are completely Jedi deep streams that are difficult for birds to cross. In this case, the demon clan chose to put the breakthrough on the Weishui line, and in Helan Mountain, the demon clan only left more than a dozen spider demon legions, and stationed a part of the demon knights on the periphery of Helan Mountain.

Now in Helan Mountain, it has become a battlefield for the competition between small and medium-sized units of the Taixia and the demon army.

The battle in Helan Mountain was not as imposing as it was on the edge of Weishui. The mountains and seas are overwhelming, but the battle in Helan Mountain is even more dangerous for the Taixia soldiers who participated in the battle.

Even in the sky, under the eyes of the lotus blossom. Zhang Tie could still see the fires lit up from time to time in the thousands of miles of mountains and forests in Helan Mountain, as well as the silent killing.

The light of the fire is the light of the Flame Mine and the Flame Explosion Crossbow Arrow, but the killing is no longer going on all the time, the two sides set traps for each other, infiltrate each other, ambush each other, booby-trap, Taixia and the demons thousands of small troops, in Helan Mountain, dogs and teeth are intertwined, every moment, there is blood sprinkled on the cold snow.

Zhang Tie crossed Helan Mountain and continued westward.

Although the battlefield under his feet is fierce, that kind of battlefield no longer belongs to him.

The demons placed a nest-like air battle fortress on the west side of Helan Mountain, floating in the sky, and the knights of the demon clan went in and out of the battle castle, and Taixia also placed two air fortresses on the east side of Helan Mountain to confront the demons.

This place is not far from the military camp of the demon army, and there are many demon knights guarding it, it is not a place where you can hunt earth knights, and if you are not careful, you will startle the snake, so Zhang Tie rushed over without hesitation, leaving Helan Mountain and the demon clan's aerial battle castle behind.

After passing through Helan Mountain, you will enter the boundary of Wuzhou, and the boundary of Wuzhou at this moment has all fallen, and Zhang Tie went all the way to the west.

Crossing the front line of the demon army, along the way, every thousand kilometers, you can see a military camp of the demon army, the military camp of each demon army, all rely on the original Taixia city and established, each military camp, there are millions of demon warriors and hundreds of demon knights stationed, in order to prevent the sneak attack of the Taixia knights, the military camp of the demon army is very strict, the knights are all in a team of actions, in such a place, there is no chance for Zhang Tie to start.

Last time, Yan Feiqing almost fell into the trap of the demon clan in such a place, and Zhang Tie naturally would not repeat the mistake of the past.

In fact, Zhang Tie had expected such a situation for a long time, so Zhang Tie did not target these military camps of the demon army from the beginning, Zhang Tie's goal was Yinzhou City - Yinzhou City used to be the state city of Yinzhou, and now Yinzhou City is the "national capital" of the Tongtian Empire.

At least half of the 29 Earth Knights of the Tongtian Sect on the wanted list of the Taixia Tingwei Mansion gathered in Yinzhou City.

Yinzhou City is almost more than 13,000 kilometers away from Helan Mountain.

By the way, the current Yinzhou City has been renamed Tongtian City by the remnants of the Tongtian Sect.

Zhang Tie passed through the state and county in the air, crossed the demon camps and the cities captured by the demons at his feet, and at the speed of eight times the speed of sound, it didn't take two hours to fly over Yinzhou City.

Yinzhou City is a majestic first-class city, and now the entire Yinzhou City is surrounded by a large camp of the demon army, Zhang Tie flew all the way, and all the cities in the demon occupation area he saw, even if there are people, most of the cities are also blind with black lights, and there are not many lights, but it seems that in order to prove the "prosperity" of the capital of the Tongtian Empire, the Yinzhou City in front of him, the entire city, and even the city walls have been put on a fluorite lamp, looking down from the sky, there is still a bit of lively scene.

There are groups of demon warriors patrolling the city, and every time the patrolling demon warriors walk by, those people who are cowering and walking on the street with sad faces hurriedly get out of the way and stand on the side of the road, not daring to get in the way......

[Thank you for your continued support, this time from the 515 Fan Festival of the Writer's Hall of Glory and the General Election of Works, I hope you can support it.] In addition, there are some red envelopes on the fan festival, get one and continue the subscription! (To be continued.) )