With just a thought, the Blue Bolt Sword was taken out of the storage space by Yang Song and it was still floating horizontally in front of Yang Song.

Yang Song stretched out his hand and wanted to hold the sword in the hilt. But as Yang Song was about to touch it, a mini crack of blue lightning appeared and repelled Yang Song's hand away.

Yang Song hurriedly retracted his hand back and still felt a tingling pain.

"System, what's the matter with this? Why can't I hold this sword?" Yang Song asked the system right away.

[Please drop your blood on the sword to let it recognize you as its master first.]

Yang Song was relieved to hear this answer. He then quickly cut his finger slightly and let his blood drop on the sword.

The cut on Yang Song's finger healed right away and the sword absorbed Yang Song's blood at a speed visible to naked eyes.

After the absorption, the Blue Bold Sword shone brightly in blue. After a few seconds, the light subsided and the Blue Bold Sword immediately magically shrunk itself into the size of a little finger before it shot itself into Yang Song's forehead.

That took Yang Song by surprise. But soon, Yang Song felt an additional connection in the depth of his soul and some information appeared in his mind.

It turned out that this Blue Bolt Sword was a 'natal sword'. Simply put, a natal sword was a sword that was attached to a cultivator's very soul, another way to explain it was that the natal sword would become a cultivator's additional organ after the binding.

Yang Song initially thought that he would have to learn some troublesome methods in order to control a sword, but it seemed that he had thought too much.

The current Blue Bolt Sword was like Yang Song's third hand; he could control it at will. So with a move from his mind, the miniature Blue Bolt Sword shot out of Yang Song's forehead. Then, it kept zooming in and floated vertically before Yang Song.

There were also more functions available to Yang Song. For example, Yang Song could change the way he summoned the sword. He let it appeared directly in his hand or in another way he could think of.

He could also change the size of the Blue Bolt Sword at will, the biggest was about over three meters long and almost a meter wide.

Yang Song could also manifest thunder through the Blue Bolt Sword freely, as to how much and how big the thunder Yang Song could manifest, he still was not sure about it, he would need to find a place to experience with it in the future.

But Yang Song also knew that with his current strength, there were still limitations to how much he could do with the Blue Bolt Sword.

Storing the Blue Bold Sword back inside his Sea of Consciousness, Yang Song shifted his attention to other rewards that he had got from the system.

There were two jade slips inside the storage and Yang Song took one of them out. When this jade slip appeared, the system reminded him with a prompt.

[Learn the Sky rank defensive formation – Innate Mirror Formation? Yes/No]

As soon as Yang Song chose 'yes', the elegant and ancient-looking jade slip instantly vanished, then, foreign knowledge showed up in Yang Song's mind mystically.

Innate Mirror Formation was a Sky rank formation that was several points more special that other defensive formation.

Generally, array or formations needed a medium that contained Spiritual Energy to operate, and that 'medium' was generally Spirit Stones.

However, the Innate Mirror Formation actually absorbed the Spiritual Energy from nature directly; no medium was needed.

It was also worth mentioning that the type of formation that absorbed the Spiritual Energy directly from the heaven and earth generally had the word 'Innate' in its name.

But to make this formation, Yang Song needed to refine several 'formation flags' and draw several 'formation symbols'.

Fortunately, thanks to the system's god-like functionality, Yang Song had learned all the necessary things.

In addition, Yang Song had also learned about the rank of array formations. As far as Yang Song knew, they were Mortal, Earth, Sky, Heaven, Peerless, and Divine.

Each rank of formation was different from each other greatly and that was based on the scope of the formation, functions, as well as its ability to last. In general, the rank of the formation was determined by its lifespan.

The Sky rank was considered to be a very high-rank already, and Yang Song also praised the system for this generous reward.

The Innate Mirror Formation would manifest a mirror-like barrier and protect the things inside. When the enemy's attack fell on the barrier, the attack would be repelled and it would attack the enemy back. It was like using light to shine on the surface of the mirror, and the light would bounce back.

The logic of this formation was as simple as that. However, this 'simple' didn't mean it was weak, on the contrary, this Innate Mirror Formation was among the top five most powerful defensive formations in the Sky rank.

After putting this powerful prop away, Yang Song proceeded to extract another jade slip from the storage space.

[Learn the Sky rank sword technique – Ten Thousand Returning Swords? Yes/No]

The process of learning was no different from the previous time. But when Yang Song learned about this sword technique for real, he was quite shocked.

The Ten Thousand Returning Swords sword art, just as its name implied, if one cultivated this technique to the extreme, one would be able to command ten thousand swords and use them to attack the enemy in various ways.

This sword technique had a total of nine stages. If a cultivator cultivated it to the first stage, he would be able to command swords up to 1,000.

What was special about this sword technique was that the cultivator did not really need to use 100 or 1,000 swords at all, with just one sword, the cultivator would be able to clone 1,000 swords.

But it had to be noted that the additional 999 swords were not real swords but 'sword energies' that could manifest in reality. When the attack ended, those sword energies would dissipate.

However, if the cultivator himself really had 1,000 or 10,000 real swords, then the power of the technique would be greater and more destructive.

The only drawback about this technique was that the main sword had to be at least Sky rank.

Speaking of which, the ranks of technique were divided into Human, Earth, Sky, Heaven, Peerless, and Divine.

As for the ranks of treasure and tool, they were divided into Earth, Spirit, Sky, Magic, Heaven, and Divine.

After Yang Song sorted out his emotions, he took a deep breath and began to cultivate the Ten Thousand Returning Swords sword technique right away.

This sword art didn't just involve the way to command swords to attack, but it also involved some basic sword moves.

But in Yang Song's thought, those 'basic' moves could be classified as 'top-level' moves in terms of martial arts.

To cultivate this sword technique, the cultivator needed to have a strong soul and a firm heart. Because when commanding so swords, the cultivator himself also had to divide his minds into countless parts in order to control them perfectly.

When Yang Song's heart and mind became calm, his whole person entered an ethereal state, and he soon practiced step by step according to the sword technique in his mind.

Yang Song originally thought that such a powerful sword technique must be quite difficult to cultivate, but when he started for real, it was as if he had practiced this sword technique a long time ago.

He actually did not need anyone to explain anything. He could understand every move. He also felt very proficient in it, and he could display them naturally.

His movements were smooth and flowing without any lag.

Taking another deep breath, Yang Song summoned the Blue Bolt Sword and used his True Energy to truly display it.

Regarding the nine stages of this sword technique, the first stage was called One Thousand Returns.

Without using True Energy, just rehearsing, Yang Song naturally felt very smooth. But when he really used the True Energy to display it, he was surprised that his True Energy was only enough for him to clone out 350 swords.

But that was enough to that, because to enter the first stage, one had to be able to clone out 100 swords.

Ten Thousand Returning Swords sword art had far surpassed all the techniques Yang Song had ever seen before. If the first stage could be cultivated by Yang Song completely, Yang Song dared not say the power of splitting a mountain, but to destroy a building or even Yang Song's own courtyard including the house itself with one move was complete beyond question.

Yang Song reduced the number of clones and only kept it to 5 swords only including the main sword. Then, with a will from his heart, four swords shot out like missiles and darted towards a big stone used to test the strength not far from that.

Bang!

With that sound, in a blink of an eye, the big stone exploded and turned into countless fragments before they scattered all over the ground.

Xiao Laoxu and Xiao Laofei who were watching the magical scene from the beginning to the end with their mouths wide open were shocked and their souls almost left their bodies.

"What a strong sword technique!" Yang Song couldn't help exclaiming secretly.