In this recent period, Dan shifted his entire focus toward rest, relaxation, and decompressing from the heavy burdens of his work. He halted the grueling physical training that had defined his decades in this world—a calculated decision made for a vital reason. He had finally mastered the complex Gravity Fist to his exact specifications.
He could now deploy the technique with fluid speed in high-stakes, close-quarters combat without any delay or need for prior concentration. Every strike now carried a devastating, automatic power. With this milestone reached, he sought to avoid unnecessary strain on his body or mind. His daily routine was reduced to calm chakra refinement sessions, sitting in meditation to polish his energy and expand his reserves.
This was not laziness; it was precise preparation. He was priming himself for the most dangerous and intricate version of the Vitality Seal—the tier targeting the sensitive internal organs. Because this version was exponentially more complex than previous iterations, any tremor in focus or slight error in chakra control could mean instant death. Dan needed to be at the absolute zenith of his physical, mental, and spiritual condition before beginning.
During this period of relative calm, Dan dedicated time to personally overseeing his children's training. His eldest son had now reached nineteen, a powerful young man who stood as a testament to the disciplined regimen Dan had enforced since they were six. The results were impressive; the senior children had mastered the fundamentals and were now diving deeper into advanced thread techniques, innovating new offensive patterns for various combat scenarios.
Training with the threads came naturally to them. Once they awakened their Kekkei Genkai, their chakra control became so precise that such complex manipulation was well within their grasp. Dan watched their rapid progress with quiet satisfaction, seeing in them the future guardians of the Walt legacy.
Regarding the Vitality Seal, Dan had long ago established a firm rule: no child would receive the seal until they reached thirty-five, the age of peak physical maturity. Furthermore, unlike his wives, his children would have to apply the foundational bone-tier seal themselves. He wanted them to understand the technique's mechanics intimately and prove their worth through their own skill and control.
He was confident that any of his children who had awakened their bloodline limit and studied sealing theory could handle the first stage. However, the subsequent muscle-tier seal would require a much deeper understanding and a higher level of mental fortitude. Dan decided he would only grant access to that level to those who demonstrated true readiness.
As for the internal organ tier—the one Dan was about to attempt—it remained a level of difficulty and danger that only the true elite of the family might ever achieve. He estimated that out of his dozens of children, only a handful would possess the iron will and obsessive dedication required to reach such a height. This was acceptable to him; as long as every child reached the mandatory "Kage" baseline and secured their own first-tier seal, he was content. He would decide later whether to assist them further or let them forge their own paths as they neared the end of their extended lives.
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