The official use of the name ninja is in the Edo period of Toei, but the history can be traced back much further.

It is said that the first to use ninjas on missions was Prince Shotoku, and at the time, ninjas were called "shinobi".

The Edo period was the period when the name ninja was officially established, and it was also the beginning of a period of peace under the rule of the Tokugawa family, which caused the ninja to lose the stage of their activities, and their role became less and less, and finally faded out of sight.

Many ninjutsu have also been lost, but the last record of ninja activity is the Shimabara War of 1637, in which ninjas participated as subordinates of the shogunate.

The work of ninjas is mainly to carry out various espionage activities such as secret planning, sabotage, assassination, collecting intelligence on the enemy's frontline, and disrupting the enemy's support base.

When a ninja is alive, he must remain incognito and be in the company of the darkness, and he must not leave a single word to avoid the incident in the future. As a result, there are very few historical records about ninjas, and only a ninja from Prince Shotoku's side was found in the ninjutsu secret book, and the origin of ninjas has become a historical puzzle.

Although there are countless schools of ninjutsu in various parts of Toei, in the final analysis, the source of ninjutsu must be traced back to Iga and Koga.

The two are related to each other, but if each other's employers are in a hostile relationship, they have to fight in different rooms, or even brothers.

And today, the major forces and families also secretly cultivate their own ninjas, but because of the loss of inheritance, the gap in strength between the current ninja and hundreds of years ago is very different.

In forbearance, it is divided into upper forbearance, middle forbearance, and lower forbearance. Shangnin is mainly responsible for planning operations, which is equivalent to the role of a think tank.

And the middle ninja is the actual commander of the battle, and the strength is also superhuman.

The lower ninja, also known as the body forbearance, is the actual combat unit, equivalent to the lowest level of soldiers.

In the world of ninjas, there is a strict hierarchy, and there is a clear hierarchy between the three.

Yuan Xing had only heard of the existence of ninjas, but in reality, he had never seen it, let alone the right one.

Therefore, Yuan Xing is also very cautious, you must know that ninjas are synonymous with mystery, and they have mastered some spells that are difficult for ordinary people to understand, which is equivalent to the Qimen Dunjia in Huaxia.

Of course, the techniques mastered by the ninjas were just a little bit learned from the Five Elements of Huaxia, and with their own improvements, they formed their own ninjutsu.

But it is undeniable that every ninja's combat power is very strong, and they are all the best among the samurai, and with the weird ninjutsu, it is really unguardable.

Yuan Xing has always heard about the mystery of ninjas, and now that he is really right, he also wants to see if ninjas are as powerful as the legends.

You must know that every country has its own secret army, just like the dragon blade of Huaxia and the biochemical warriors of Lao Mei, Dongying also has its own special force, that is, ninjas.

Slowly pulling out the tactical dagger from his boots, Yuan Xing stared at this ninja cautiously, at this time, it was difficult for the gun to play its role, and only the cold weapon could play its due role.

"Who are you and why did you do it to me?" Although he had already sentenced the other party to death in his heart, Yuan Xing still wanted to probe the other party's bottom to see if it was a private action or if it was sent by Dongying Kingdom to deal with him.

What Yuan Xing didn't expect was that the other party didn't care about his question at all, and directly launched an attack, and the two katana swords braved the cold light and slashed directly at Yuan Xing's neck.

In the face of the ninja's attack, Yuan Xing didn't dare to be careless, his body retreated sharply, and he blocked the katana with the dagger in his hand, but because of the disadvantage of the weapon, Yuan Xing also suffered a small loss, and his whole arm was a little numb.

After blocking the katana, Yuan Xing did not retreat but advanced, and with a turn of the dagger in his hand, it slashed towards the ninja's neck, and the whole movement was extremely fast, and he reached the attack position in a blink of an eye.

This ninja was also taken aback by Yuan Xing's reaction speed, he didn't expect Yuan Xing's attack to come so quickly.

As the saying goes, "an inch is long and an inch is strong, and an inch is short and an inch is dangerous." "Although the dagger is much shorter than the ninja's katana, the flexibility of the dagger is not something that a katana can have.

So when it comes to fighting, Yuan Xing is not a loss, as long as he doesn't pull the distance away, the opponent's katana will not be easy to use.

The black-clothed ninja hurriedly blocked Yuan Xing's attack with the knife in his left hand, and then with a wave of his right hand, he launched an attack again, which is also his advantage, two long knives against a dagger, it is a great advantage.

Yuan Xing also knew this, so when he attacked, he kept a careful eye and did not make his movements old, and when the ninja counterattacked, his body turned sharply, with his right foot as the axis, and came to a 365-degree turn.

This time, Yuan Xing not only dodged the ninja's long knife, but at the same time, he suddenly turned to his side, and the dagger slashed directly at the ninja's arm.

Although the wound was not deep, the ninja did not hold the war knife at once, and fell directly from his hand, and was kicked away by Yuan Xing and inserted into a tree ten meters away.

This time the advantage of the ninja does not exist, and judging from the short fight, the hand-to-hand combat ability of this ninja is slightly inferior to Yuan Xing, and this discovery also makes Yuan Xing feel at ease.

The mystery of ninjas has always been deeply rooted in people's hearts, but as long as mysterious things appear in front of people, their mysterious characteristics do not exist.

Especially a special warfare elite like Yuan Xing, who already has strong strength, and now he has let go of his fear of ninjas, and he is becoming more and more handy in battle.

I saw that Yuan Xing's dagger was dancing fast, and the angle was very weird, and the position of the attack was also in the neck and heart that he was enduring these vital points, as long as he succeeded, it would be the end of blood spilling three feet.

At this time, the ninja did not have the arrogance he had when he first came, and he was originally a little dissatisfied with Sha Kun sending him to kill Yuan Xing, but now he found that the difficulty of this task was beyond his imagination.

With his fighting strength alone, this Yuan Xing is still above him, which also makes it a little difficult for the arrogant Dongying ninja to accept.

Just when Yuan Xing and Yuan Xing's attack failed, this ninja took the opportunity to jump out of the battle circle, and when he shook his hand, with a puff of smoke, the ninja's figure disappeared in front of Yuan Xing's eyes.

After discovering that his strength is weaker than that of his opponent, the ninja finally uses a ninjutsu that makes people talk about it.

And after Yuan Xing found out that the ninja was gone, he also raised his vigilance, completely opened his mind, and paid attention to the movements around him.

Yuan Xing knows that the so-called ninjutsu is to use the refraction of light, as well as the use of special props in some specific environments, to achieve the effect of hiding oneself, not real invisibility.

It's just that although they know the principle, no one can really crack ninjutsu, which is why ninjas are very well-known in the world.

However, under Yuan Xing's caution, even if he is a ninja, it is not easy to sneak attack.

Not to mention the strength of this ninja, it is inferior to Yuan Xing, it seems that this is a lower ninja, and in the lower ninja, it is also the bottom existence.

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