The crisis came suddenly, and the twelfth-level Winged Demon had already forced within 100 meters of Zhang Tie from the front almost when Zhang Tie appeared on it.

With two arrows in his palm, and then a swing of the nose, Zhang Tie almost did these two things at the same time with the fastest degree.

Zhang Tie's arrow in his palm was a sound strike, but for the twelfth-level Winged Demon, it didn't have much effect, it just delayed the Winged Demon's flight a little, and it was avoided by the Winged Demon.

In such a short moment, Zhang Tie had already done his best, stepping on the power pedal of the human-powered aircraft with his feet at a rapid pace, and at the same time letting the human-powered aircraft cut into a sinking cold airflow on the left, and began to dive down to the ground quickly.

Zhang Tie understands that in the sky, he is definitely not the opponent of the twelfth-level winged demon at the moment, last time he was made embarrassed by an eleven-level winged demon, at this time, when he encountered a twelve-level winged demon, except for escaping, Zhang Tie really couldn't think of any tricks.

The winged demon screamed, chased after him from behind, and when Zhang Tie made the artificial plane start to rush down to the ground, the winged demon had already approached within 8o meters, sitting on the side of Zhang Tie's body in the cockpit, his hand was raised back, and another arrow in his palm came out, and the winged demon waved a strange fork in his hand, knocking Zhang Tie's palm arrow away, but it was delayed, and Zhang Tie pulled away a distance of ten meters.

At the critical moment, Zhang Tie's brain calmed down suddenly, and the terrain of the area where the capital of the Principality of Titanik was located on the entire air map suddenly appeared in his mind......

Zhang Tie knew, this time. If you want to escape, there are only three things you can use at the moment - mountains. water, and this human-powered plane piloted by himself.

To the east of Tok'i is a rolling hill with many undulating updrafts that form due to the topography, and in these wavy updrafts you can use a unique glider's flying technique to achieve flight far greater than normal conditions in the sky.

And over the hill, further east. More than 300 kilometers away from that hill, there was a huge lake, and the extent of that lake was very large. It is more than 200 kilometers long and wide, and it seems to be called Xingye Lake, which is the largest freshwater lake in the Principality of Titanic, as long as you get there. Even if one more manpower plane is lost. The chances of escaping here on your own have also increased dramatically.

In the sky, Zhang Tie was not the opponent of the twelfth-level Winged Demon, but in the water, Zhang Tie really had never encountered an opponent.

In the blink of an eye, Zhang Tie quickly dived from an altitude of more than 10,000 meters to an altitude of three or four thousand meters. It's deafening.

Zhang Tie released a few more palm-in-the-palm arrows, hindering the Winged Demon's pursuit of him a little more. But it was only a little bit, and in the process, the Wing Demon still pulled the distance between it and Zhang Tie's manpower plane within 6o meters again.

If it was the glider piloted by Zhang Tie before, at this time, Zhang Tie might have been caught up by the Wing Demon a long time ago, and the extra power provided by the propeller of the human-powered aircraft made Zhang Tie have a little extra degree at the moment, delaying the time for the Wing Demon to catch up.

The cold wind in the air was blowing, the strange screams of the propellers sounded in his ears, and the things on the ground under his feet became clearer and clearer, at first glance, Zhang Tie could see the dense military camps and demonized puppets on the ground, and the pyramid-like Roshan was even more terrifying at this time, but at this moment Zhang Tie had no time to look carefully, but fled with all his heart.

Just when Zhang Tie was almost about to see the hill in the distance, the thing that worried Zhang Tie the most was born, in front of Zhang Tie and to the left, two purple black dots approached quickly in the air.

Three twelve-level Winged Demons? What did you win today?

No way!

Zhang Tie didn't have time to think about it, but as soon as he stretched out his hand, he took off one of the standard flying spears that were hung on the peripheral weapon pylons on both sides of the glider's cockpit to deal with the tenth-level Winged Demon, turned around and threw it at the Winged Demon behind him.

The power of the standard flying spear is not comparable to the arrow in the palm, the flying spear was thrown, almost in the blink of an eye, it crossed the space of more than fifty meters, and came to the front of the twelfth-level winged demon, the twelfth-level winged demon smashed it with the fork in his hand, and in a loud bang, the flying spear thrown by Zhang Tie was smashed away, but the huge power on the flying spear shook the body of the twelfth-level winged demon, and it flew more than ten meters upside down before flapping his wings and stopping his body, and then hurriedly catching up.

In this way, the distance between Zhang Tie and the nearest twelfth-level winged demon suddenly widened to a hundred meters away, and the twelfth-level winged demon screamed in the air, which seemed to be very angry, and seemed to remind the other two winged demons who flew over to pay attention to Zhang Tie's methods.

When the flying spears on the weapon pylons on both sides of the cockpit of the human-powered aircraft were almost completely thrown by Zhang Tie, Zhang Tie finally drove the glider into the sky above the hill, and the three twelfth-level winged demons also completed the encirclement of Zhang Tie in the sky above the hill, and when the three twelfth-level winged demons completed the encirclement of Zhang Tie, the distance between each winged demon and Zhang Tie was already within 100 meters.

For anyone, at this distance, no matter whether they were piloting a human-powered plane or a glider, it would be absolutely impossible for anyone to escape from the encirclement of the three twelve-level winged demons.

If it weren't for the undulating hills on the ground, Zhang Tie felt that he would not have been able to escape. Even the people who had been silently watching this wonderful air chase on the ground in the distance, at this time, felt that the dust could settle.

However, at this time, the manpower plane piloted by Zhang Tie finally entered the sky above the hill.

The undulating hills will form a wave-like air flow in the air, with a keen perception, Zhang Tie piloted the glider and began to shuttle like a butterfly in the updraft of those undulating terrain power, in this shuttle, the degree of the human-powered aircraft piloted by Zhang Tie suddenly accelerated, and suddenly threw off a twelve-level wing demon behind him.

This is Zhang Tie's unique flying skill by using the characteristics of a glider, and Zhang Tie named it - shear layer gliding by force.

The shear layer can only be carried out in the airspace with the help of the hill, the terrain dynamic updraft in these places is very special, the sense of hierarchy is very obvious, and the degree of the airflow is also very different.

In nature, the closest to this gliding technique is the flight of seagulls between the waves, the undulating hills on the ground at this time are equivalent to the undulating waves on the sea, the undulating waves and the terrain bring undulating airflow, the degree of undulating airflow will be dropped, which is the flight basis of the shear layer with the help of gliding.

In such a flight, the loss of space in each turn will be less than the gain from the difference in airflow, so that the degree and energy can be continuously accumulated. The process of adding is born in the process of turning from a large angle of the air flow to the high air flow from a stationary or low area, in this process, the degree of the glider relative to the air becomes smaller, but the degree relative to the ground becomes larger, and the degree obtained loses a part after turning at a large angle again, and then enters the high air flow again to obtain the addition, so that the degree of the glider reaches the extreme in the continuous cycle of air reduction-ground increase-ground becoming empty......

Zhang Tie has never shown such flying skills in front of others, because for other glider pilots, it is impossible to be in a state of high flight, and to be keenly aware of the changes and levels of those air currents in a low altitude close to the ground of several hundred meters, not to mention that they have to frequently bear the terrible overload brought by the glider's large-angle turn, such an overload, not to mention a person, if the strength of the glider is slightly worse, it is possible to disintegrate instantly when turning.

This kind of flying skill is completely a "miracle skill" that glider pilots can not reach.

The last time Zhang Tie was thrown into the water by the eleventh-level Winged Demon and lost a glider, the biggest reason was that when Zhang Tie encountered that Winged Demon, there was no terrain to use within a few hundred miles around, so his shear layer was completely useless with the help of gliding skills.

And this time the situation is different, outside the city of Tokyi, there is just a vast hill that he can use, so that he can wield the ability that he has not been revealed, which can be regarded as an endless road.

The propeller driven by the power pedal on his feet just allowed Zhang Tie to make up for the loss of his degree when he turned out of the high air current, so that he could cut into the high air flow again with a faster degree and obtain a faster degree, after several changes, the degree of the human-powered plane piloted by Zhang Tie had exceeded 6oo kilometers per hour, and the three winged demons chasing him were thrown away at once.

Although the winged demons who use the principle of flapping wings to fly can sometimes use the airflow in the air to do some gliding actions, but where is the appearance of their bodies, what aerodynamic layout, what lift-to-drag ratio these indicators are not to talk about, to talk about the ability to use the airflow, they are definitely not inferior to some birds, and compared with human gliders, there are also some gaps, so even in the same environment, they can't catch up with Zhang Tie.

The three winged demons that were thrown away by Zhang Tie let out an angry and ugly roar behind him, and just when Zhang Tie thought he had thrown a few winged demons away, a powerful aura suddenly rose from the ground.

Zhang Tie, who had just felt this breath and instinctively felt that something was wrong, didn't have time to react, and the right wing of the human-powered plane he was piloting was suddenly shattered by a force.

After the right wing of the human-powered plane was shattered, Zhang Tie heard a terrifying popping sound tearing through the sound barrier in his ears.

Powerful sonic strikes!

As soon as this thought appeared, Zhang Tie and the human-powered plane he was piloting were already spinning, losing control, and smashing down to the ground...... (To be continued......)

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