But what Uchiha didn't expect was that this gray magpie was the first and last animal to change.

The animals in the back showed no signs of "resurrection", and naturally it was impossible to become stronger.

And this gray magpie, after absorbing the chakra of the dragon vein, can actually refine the chakra by itself, and its size slowly grows.

It has only been three days since it was rescued, and the grey magpie has grown from the size of a palm to the size of a crow.

And the change of the gray magpie is not only in terms of size, the shape of its claws and beak has changed, it looks more aggressive, and the feathers on its body have begun to fall off, but the feathers that have grown back are silver-gray.

The root cause of the gray magpie's transformation is the dragon vein chakra, a few days ago, after the gray magpie found out that Uchiha Yuan injected dragon vein chakra into the body of a dying animal, he has been pestering Uchiha Yuan to ask him for dragon vein chakra.

The Uchiha was reluctant at first, but Hinata suggested that he could try to give the Grey Magpie more chakra, and maybe something else would change.

So the Uchiha Yuan no longer hesitated, and gave the nearly remaining dragon vein chakras in the scroll to the gray magpie.

After the gray magpie got more dragon vein chakra, its size became a lot larger again, and its wingspan was almost one meter, and now the gray magpie has changed so much that anyone who sees it will think of it as a small eagle.

"Far, this bird's intelligence is not low, and it also has a chakra, and its size looks like it will grow up, I think it should be able to be used as a flying psychic beast, do you want to try to sign a psychic contract with it?" Hina suggested.

"Make a psychic contract with it?"

"Well, I remember Orochimaru-sensei said that flying psychic beasts are still rare in the ninja world."

"But I don't have a scroll to contract with psychic beasts!"

"There are spare scrolls over there in the Dragon Cave, just borrow them and use them." After saying that, Hinata Ayana sealed a gray snake with both hands, and after communicating with it for a while, the snake spat out a brand new scroll from its mouth.

"Thank you, Ash, I'll bring you something delicious next time we meet."

The gray snake spat out the letter, and then disappeared into a puff of smoke.

"That's it, the next thing is to ask for some blood from this little guy." After saying that, Hinata Ayana held the gray magpie down, then slashed its wings with kunai, and dripped a drop of its blood on the psychic scroll.

The blood of the gray magpie slowly fused with the scroll, and after the blood of the gray magpie was completely integrated into the scroll, Hinata Ayana said: "Yuan, this scroll is the psychic contract scroll backed up by the Dragon Cave, and it has not been used yet.

The gray magpie has already left its own blood on this scroll just now, and now you only need to leave your blood and name on the psychic scroll to summon it with psychic magic. After saying that, Hinata Ayana handed the psychic scroll to Uchiha Yuan.

The Uchiha took the scroll and left his blood and name on it.

Then deliberately let go of the grey magpie and let it fly far away.

After confirming that the Grey Magpie was flying away, the Uchiha Hara sealed his hands and summoned the Grey Magpie with psychic techniques.

The experiment was successful, and the gray magpie flew out of a cloud of white smoke.

"Sure enough, this little guy has the potential to become a psychic beast, congratulations, you have your own flying psychic beast." Hinata said with a smile.

"Aana, aren't you going to sign a contract with it?" Uchiha asked.

He remembered that in the original book, after Sasuke signed a contract with the Dragon Cave, he also signed a contract with the Eagle Squad Eagle, and Hinata, Ayana should also be able to sign the Gray Magpie.

"I don't need it, at this stage, the psychic beasts in the Dragon Cave are enough for me to use, and if I need it later, I'll come to you again."

Hearing this, the Uchiha nodded and didn't ask any more.

A few days later, Uchiha and Hinata, together with Hinata, began teaching the Grey Magpie how to use chakra.

A qualified psychic beast must be able to use chakra to attack.

During the training process, in order to make it easier to be called, Hinata Ayana gave the gray magpie a name called Lightning.

Lightning's intelligence has grown rapidly, and now it is equivalent to a child about 10 years old.

Therefore, Lightning's learning of Chakra is also relatively smooth.

And after Lightning learned to use Chakra, an attack method that only belonged to Lightning awakened, just like the snake venom of ten thousand snakes and the acid of slugs.

Lightning's talent is wind, and after learning to use chakra, he can send out wind blades just by waving his wings.

At first, the power of the wind blade was not strong, and it was similar to the C-level wind escape ninjutsu released by the general lower ninja.

Later, as he became familiar with this talent, Lightning was able to unleash more than a dozen wind blades in a row.

The Wind Blade is so powerful that it can leave white marks on a large stone.

Coupled with the fact that lightning can fly, it should be stronger than the average shinobi now.

Of course, lightning does not exist for combat, and most of the flying psychic beasts are for assisting their masters in combat.

"By the way, Yuan, have you ever tested the Chakra attribute for Lightning?" Hina asked.

"No, isn't its chakra attribute just wind?"

"The Wind Blade should be a natural skill of lightning, just like the snakes in the Dragon Cave will use venom, and its chakra attribute is not necessarily wind, or it may not only be wind."

The Uchiha nodded and pulled out a chakra test strip and asked Lightning to inject the chakra into the chakra test paper, which was first wrinkled and then cut in half.

"Wind and thunder? What a suitable attribute for birds. Hinata said after seeing the attributes of the gray magpie.

Uchiha Yuan also nodded: "Indeed, the wind and thunder attribute is indeed suitable for birds, and the effect of wind and thunder escape released in the air is much stronger than on the ground."

Moreover, Lei Dun can also stimulate cells and increase movement speed, and for birds, the increase in flight speed is also very important, and it may be possible to ...... in the future."

"Yuan, Aana, you are here! Fast! Hokage-sama is looking for us! Terutsuki Yamanaka, who had arrived in a hurry, interrupted the conversation between the two.

Uchiha and Hinata Akina glanced at each other, and the two realized that there should be a new mission.

After counting the 20 days they had been in the village this time, it was time to leave.