As usual, time passes quickly in Dan's organized life, full of training and constant development. Recently, Kali, the last of his wives to give birth, had a beautiful baby boy with the same sky-blue hair and clear blue eyes that became the hallmark of the Walt family. Dan named him Norman Walt, a strong name meaning "man from the north" and symbolizing strength and solidity. Kali was very happy and proud to finally have Dan’s child. This completed his number of children to twelve—twelve heirs of the Walt family, all carrying his blood and legacy. The sight is amazing and beautiful when Dan sees them all together: twelve small children with blue hair shining under the sunlight.
In the past period, the girls' strength improved significantly thanks to the continuous and intensive training Dan supervised personally every day. They finally managed to control chakra well and effectively. They mastered tree-climbing using chakra, a basic exercise requiring precise control of the amount and even distribution of chakra. They also mastered walking on water, a much harder exercise requiring finer control and greater focus. They could also form various small shapes with chakra quickly; Dan inspired this training from Bisky, one of his favorite anime characters, during her training of Gon and Killua in Greed Island. Rin, as usual, is the best and fastest in mastering these exercises, followed by Kali, who showed strong talent despite starting later than the others.
After Dan made sure the girls mastered basic chakra control, he set a new, more advanced training program for them. It focuses specifically more on physical strength and using chakra as a means to enhance that physical strength, not as a replacement for it. Dan knows well that his own path of training over the years is very difficult, complex, and exceptionally harsh; not everyone can follow the same approach or endure the same level of difficulty, pain, and required perseverance.
So he decided to focus his wives' training on a different, simpler, and more applicable path for them—a path mainly dependent on building pure physical strength through hard and intensive exercises that increase in intensity gradually over time, then using chakra as a tool to enhance that existing physical strength. This style closely resembled Tsunade Senju’s fighting style as he remembered from the anime, where she relies on massive physical strength enhanced by chakra to shatter anything before her with one devastating strike.
It wasn't difficult for Dan to invent the enhanced-fist technique similar to Tsunade's style. His superhuman chakra control, thanks to his Kekkei Genkai and years of intensive training, allowed him to understand and apply any technique he could imagine as long as it was based on the principle of chakra control—even a skill like Rasengan, he can apply very easily. The principle is simple in theory: a large amount of chakra is concentrated in the fist or foot a moment before the strike, then all that chakra is released at once at the moment of impact, doubling the strike's power massively and making it capable of causing immense damage.
Dan taught this technique to the girls with patience and care. He explained the basic principle, showed them how he does it himself on a large rock—shattering it to dust with one punch—then made them try applying it themselves repeatedly until they began to understand and master it. Their progress was slow at first but steady; slowly they began to use the technique effectively. Rin was the first to achieve progress, succeeding in shattering a rock with an enhanced punch, and joy was clear on her face when she saw the result.
Therefore, this approach, this path based on massive physical strength enhanced by chakra, will be the way the girls follow in their combat development. Dan is confident that with time and continuous training, they will become very strong fighters capable of protecting themselves and their children from most threats.
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Also, Dan has another long-term plan for his wives. After they reach a higher level with time and continuous training, and after they reach their personal peak in physical strength and chakra control, he also intends to engrave the first version of the Vitality Seal on them himself—the simple version he applied to himself years ago, which increases the lifespan to about one hundred and eighty years. This was an important decision because it would ensure his wives live for a very long time, and he wouldn't have to face the reality of losing them due to natural aging after a few decades.
Of course, Dan fully realizes that the girls themselves won't be able to apply the Vitality Seal technique to their own bodies. It was a very dangerous, highly complex, and difficult technique to apply, and the success rate was almost zero unless you were someone like Dan with superhuman control and a very deep understanding of seals and the human body. So he would have to apply it to them himself with extreme care, and he was confident he could do so successfully thanks to his experience and skill.
Dan also intends in the distant future to make the Vitality Seal technique and the Deadly Threads technique the special and unique techniques of the Walt family—the two techniques that will distinguish his family from any other clan or family in this world and will be the secret of his family's strength and longevity. He planned to teach these two techniques only to his children, grandchildren, and descendants, and never allow them to spread outside the family.
Naturally, because his offspring will inherit his special blood, and at least some of them will awaken the Kekkei Genkai that grants very strong chakra control and a huge reservoir, it won't be very difficult for them to apply the Vitality Seal to themselves when they grow up and become strong enough. The Kekkei Genkai will give them the same advantage it gave him: the precise and superhuman control that allows the successful application of very complex seals.
But Dan was very cautious in his plans. Of course, when he starts teaching his children and grandchildren the Vitality Seal technique, he will have developed the seal many times by then to much higher and stronger levels. He does not intend to grant them anything but a lower level of the full technique—a simplified and less powerful version than the one he will use himself. Caution was a must even with his family, because this was his basic nature: he was careful and keen to keep the greatest superiority and power for himself always.
Dan loves his family and wants to protect them and make them strong, but in the end, he was selfish by nature. He believes that absolute power must remain in his hands alone. He never believes in principles like friendship and love before interests because he understands that humans are by nature complex beings difficult to judge based on emotions. So he must ensure he is always the strongest in the family—the greatest protector who cannot be challenged or surpassed. This was not just because of a lack of trust but also because of wisdom; he saw and read how great power in the wrong hands can lead to disasters, and how even good people can be corrupted by greed and vanity when they obtain more power than they can handle. He is not a hypocrite, of course; the matter applies to him too, but his selfish and cautious nature suppresses this side in him, at least so far. In the future, when he possesses power that can destroy galaxies and worlds, who knows—maybe he will change.
Dan sat in his lab that night, looking at his notes about the seal and his future plans for his family, and felt deep satisfaction. Everything is going according to plan: his family is growing, his children are healthy, his wives were training hard, and he himself continues to evolve and improve day after day. He smiled a slight smile as he closed his notebook. The future looks bright for the Walt family, and Dan will do his best to ensure its survival, growth, and strength for generations to come.
