Reborn into Naruto World with Tenseigan

After leaving the Hokage's office, the four members of class-11 went home.

This S-Class mission took nearly 2 months, after repeated battles and traveling, everyone was exhausted, so Hokage-sama gave Class-11 half a month's vacation. ​​

Back at home Kuroto was lying on the Futon as he recalled Sandaime-sama's reaction.

From Sandaime-sama's behavior, Kuroto can conclude that the mission to the Land of Demons was just a coincidence, and there was no temptation.

'It seems that I was being overly concerned, if Hokage-sama really suspected me of being Orochimaru's spy, he could directly confront me; why would he bother using such a roundabout method?' With this thought in his mind, Kuroto let go of one worry and decided to count the gains he had during the entire mission.

Obtaining 'Purple Clay' and being able to master all the Fuin techniques involved in the artificial tailed beast plan was undoubtedly his biggest gain.

Earning Miko-sama's friendship and trust was another major gain.

Don't underestimate the authority and prestige of the Miko of Land of Demons, even the five great shinobi villages had to send their elite ninjas immediately in response to Miko-sama's request, with this incident alone it can be judged just how high her prestige is!

Being able to earn the friendship of someone like her is comparable to having the backing of Daimyo, which was something that Kuroto desperately needed, at least now he wouldn't be in a situation like he did after Orochimaru's defection, moreover, Miko-sama is also a master of Fuinjutsu; and can provide him with a lot of professional guidance and ideas.

"Now the only problem to begin the artificial tailed beast plan is the Chakra source, sigh… this is also the biggest problem!" Thinking so Kuroto can't help but sigh.

The chakra source Shinno used for the Reibi was the darkness of a human's heart, as long as there is darkness in the user's heart Reibi can continuously generate chakra, and the deeper the darkness the stronger the chakra.

This was also the reason why Reibi was both weak compared to the other tailed beasts and also quite unstable as it easily possessed Shinno after its previous host overcomes the darkness within her heart with Naruto's help.

This lesson also verifies Orochimaru's conjecture, that there should be a single source of chakra and it should not be evil or dark in nature.

So, the option of using a lot of chakra sources is already out of consideration, but a single source with enough chakra is really difficult to find.

Even the demon Moryo is out of option, he may have the necessary volume to act as a source but the nature of his chakra is evil, not to mention his self-awareness.

Using him would only mean giving the Demon a different body from his original, in essence, there would be no difference.

And Kuroto isn't idiot enough to carry a ticking time bomb with him.

What he needs is a source with large chakra volume, neutral chakra nature, and weak self-awareness, and Kuroto could only think of one such option, it lies in the ancient city of Roran of the Kingdom of Wind, Ryumyaku aka, Dragon Vein is the only best option that probably meets all these requirements.

In Kuroto's impression, Dragon Vein's chakra nature may be quite gentle, as it can be controlled by ordinary humans like the Queen of Roran even if it may be because of her bloodline. More importantly, Dragon Vein shouldn't have a strong sense of self-awareness, as long as the right method is mastered even the people not of the Royal Family of Roran can probably use it.

Using it as the source should increase the stability of the artificial tailed beast.

The only problem at present is that the Dragon Vein was sealed by Yondaime-sama. If Kuroto wants to use the Dragon Vein, he must first break the seal used by Yondaime-sama.

"The Fuinjutsu technique used by Yondaime-sama should be of the Uzumaki-Clan, but I don't even know which one he used!" Kuroto frowned thinking about it.

With Miko-sama's teaching, although Kuroto mastered the basics of Fuinjutsu of the Uzumaki Clan that were involved in the artificial tailed beast plan, it doesn't mean he can be called a master in Uzumaki Funijutsu art.

On the contrary, he is currently unable to use even a single of the Uzumaki techniques, not to mention there are Kinjutsu techniques like the 'Dead Demon Consuming Seal'.

What Kuroto has learned up to now is just to follow the description in the information scroll and arrange the seals designed by Uzumaki's one by one.

As for the Chakra running skills and the methods required to perform the complex Uzumaki Fuinjutsu, he can't do it at all!

Kuroto thought to himself, "Looks like I'll have to go to Roran myself to check out the seal Yondaime-sama used!"

Only by going there in person can he accurately judge which Fuinjutsu technique was used by Yondaime-sama; and then plan his course ahead to think of a suitable method to break it.

There is also the fact that Queen's blood has a very high influence on the Dragon vein, when I break Yondaime-sama's seal, her help might be necessary to prevent any accident in controlling the Dragon Vein.

After making this series of conclusions, Kuroto took a long nice sleep to get over all the tiredness and exhaustion he was feeling.

The next day early morning, Kuroto took some equipment and went straight to the forest of Death.

The two battles, one with Sasori and the other with Iwamoto made Kuroto realize the importance of poisons.

Kuroto regrets that he never used poisons like Sasori.

In his case even when Iwamoto was severely injured twice, he still didn't die, but if it was Sasori in his stead, even a little injury would have led to Iwamoto's death.

In fact, Kuroto is no stranger to poisons.

His summon beast, the one-eyed viper has a lethal snake venom. But because of people like Demi-God Hanzo, when all the villages started doing research on poisons, the so-called lethal snake venom was of no effect on the battlefield. Therefore, Kuroto never used poison.

So now Kuroto decided to compound a poison himself that would be useful in battles.

As soon as he entered the territory of the Death Forest many sets of memories flashed in his mind.

Of course, he is no stranger to this forest, before graduating from the Ninja Academy, there were many combat drills conducted by the teachers for all the students. So, Kuroto is more or less familiar with this place.

There are many sources of poison in the Death Forest, including venomous snakes, scorpions, spiders, centipedes, moths, and even rats. The purpose of his visit this time is to obtain the poison sacs of these creatures.

After searching for about an hour, while shuttling through the treetops along with collecting various poison sacs from different creatures, Kuroto's attention was attracted towards a small pond.

At the small pond, a cobra was facing a baby boar.

Since Kuroto needed poison from the Cobra, so he decided to help out the baby boar, "Hey little guy, looks like you got unlucky huh!?" He said as a shuriken nailed the Cobra's head to a tree on the side.

Falling on the side of the cobra, he carefully dissected the corpse to extract the poison sac, after which he threw the corpse aside as it wasn't of very much use to him.

But the baby boar that had just escaped due to the sudden arrival of Kuroto rushed back again, picked up the cobra's body, and went away; completely ignoring Kuroto.

Kuroto was startled by the baby boar's action and shouted hurriedly, "Hey, you idiot there's still poison in it!!"

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