Hatake Sakumo's strength is more than enough to teach Kushina a lot.
Every move he makes is almost aimed at killing, and White Fang's sword technique is also incredibly fast.
Lightning Style Chakra stimulates the body's cells, improving reaction time, while Wind Style Chakra helps White Fang's blades vary in length, making his fighting style unpredictable.
Kushina's Nine-Tails Chakra Mode is very fast, but Hatake Sakumo's sword is faster. He has been focusing on his swordsmanship for over ten years, making him a top-tier swordsman.
During the fight, Kushina was always at a disadvantage.
At first, due to her carelessness, many wounds were inflicted on her by the imperceptible Wind Style Chakra blades of White Fang's technique. But gradually, she got used to it, especially since Hatake Sakumo would point out the mistakes she made, helping her grow a lot.
When Sarutobi Hiruzen heard about the training, he wanted to intervene, but Hatake Sakumo was about to leave, and Kushina was beyond his control.
Although Sarutobi Hiruzen didn't want to admit it, Kushina, now in Nine-Tails Chakra Mode, was no longer something he could easily manage. After pondering for a while, he decided not to send anyone after all.
However, he did accelerate the deployment of Guardian Ninjas and arranged the personnel exchange within four days.
Even though Kushina only trained with Hatake Sakumo for four days, she gained a great deal of combat experience. Hatake Sakumo, like her, is a speed-focused ninja, and there was a lot of mutual knowledge they could share.
After Hatake Sakumo left, Kushina slowed down her training schedule and gradually increased the number of times she visited Kain.
"Boss, I've made some progress with the Tailed Beast Bomb, but Tailed Beast Mode is still difficult. That guy, Nine-Tails, is like a twister—he scolds me every time and refuses to help."
Uzumaki Kushina, or "Uzumaki Tomato," was massaging Kain while lying on her slender white legs, complaining about Nine-Tails' behavior.
Kushina had gotten used to giving massages by now. Kain sat on the sofa, patting the seat next to him, and Kushina obediently came over. The pure cotton black stockings had been replaced with silk ones.
"After all, they're intelligent life forms. Nine-Tails has lived for thousands of years and was captured by Konoha Village for no reason. If it were you, you'd be angry too."
As he spoke, Kain moved his head slightly and rubbed his face against the black silk of her stockings and her long white legs a few times. This made Kushina flush and curl her toes slightly, realizing that the boss was teasing her again.
"You could try a different sealed environment. Even a dog would be hard to communicate with when it's tied up. Once you change the sealed environment, call it by name and tell it that the person it's waiting for has arrived and that person is you. He might listen to you."
Kushina looked at him with some confusion and asked, "Who is that person?"
"The one who leads the tailed beasts down the right path and brings peace—that's you, Uzumaki Tomato."
" It's Uzumaki Kushina!"
After Kain said something that seemed wrong, Kushina puffed up her cheeks and applied some force with her hand, but she still obediently wrote down Kain's words, including the names of the tailed beasts and the tone she should use when speaking to Nine-Tails.
After listening to everything, Kushina said, puzzled, "Boss, can this really work? It feels like a lie."
"This is not a lie, Kushina. You are this person in the first place, but few people know it. However, after you changed the seal for Nine-Tails, the real question is: Can you suppress it? If not, forget it, and focus on your own safety."
Hearing Kain's words, Kushina patted her chest proudly and said, "Don't worry, even with just the four-element seal, Nine-Tails won't be able to break free. There's no need to worry."
Although she doubted whether it would work, Kushina was willing to try because Kain said so.
Kain emphasized again, "Kushina, believe me. I will not lie to you. You are the child of destiny."
The names of the tailed beasts are rarely known. Adding the names of the Nine-Tails and the scene of the Sage of Six Paths' death, along with the kindness shown by Kushina, even if Kurama doesn't believe it, he won't make things harder for her.
This is the seed buried in Nine-Tails' heart. As long as Kushina gradually reveals details from a thousand years ago, like the story of the Ten-Tails, Kurama will eventually believe her.
The perfect Nine-Tails Jinchūriki is basically the strongest person in the ninja world. Even if Uchiha Madara isn't dead, his old body can't do much, unless the dirt reincarnation of the former Uchiha Madara and Senju Hashirama comes into play.
After some time, good news came from shinno. He had used medical ninjutsu to slowly separate and analyze some components of the serum, but with his current strength, this was the limit of what he could do.
This was mixed news for Kain, but after thinking it over, he decided to go to Tsunade with some of the super-soldier serum, hoping she could help analyze it. In return, he would offer her a few other potions and a set of research equipment.
Tsunade should be the third batch of preparation personnel for war.
Jiraiya had already led the troops to the border of the Land of Grass. Tsunade not only had to arrange medical supplies but also decipher the Sand Shinobi poison from the front line from time to time, so she had very little time to spare.
However, Tsunade needed Kain's next assignment. She was very interested in those potions. With her chakra reserves, it wouldn't be difficult for her to separate a Shadow Clone to study the super-soldier serum. Kain didn't need to worry, as this was just one of the serum's components.
"Boss, I've received a message here, but I don't know if it's true or not."
Yakushi Nono suddenly contacted Kain in the middle of the night and told him about something she had unintentionally inquired about.
There was a ninja who graduated from the orphanage two years after her and was selected to join the Root team. She had heard that they were being sent on a mission to the Land of Waves.
This matter was also related to Cloud Shinobi because someone had said at the time, "Are they really going to bring Cloud Shinobi?"
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