Late at night, inside the laboratory.
In the spacious hall, three emerald-green trees approximately three meters tall stood quietly before Shinichi.
These were precisely the branches he had collected from the Forest of Death two days earlier and cultivated inside the laboratory.
In only two days, they had grown from tiny branches to their current height.
That was where Shinichi's methods came into play.
The essence of Medical Ninjutsu was the application of Light chakra, and by combining this extraordinary energy, which contained powerful life force, with the injured person's own physiological system, it achieved cellular activation and bodily regeneration.
However, this method of injecting vitality could not be used to rapidly mature plants, just as Medical Ninjutsu could not make a child quickly grow into an adult.
It could only repair and heal; it could not forcibly accelerate the natural developmental process of a living organism.
This had nothing to do with the amount of energy involved, as a living organism itself needed time to gradually complete the complex transformations of each developmental stage.
Even the first Hokage, who possessed Wood Style, could not violate this natural law. He could only make his own Wood Style creations grow rapidly and flourish, but he could not accelerate the maturation of naturally evolved plants that did not belong to his Wood Style system.
However, for Shinichi, who possessed the talent, Cultivation Lord, this boundary had been broken, or rather, partially broken.
This talent allowed him to precisely perceive the real-time state of every plant and break down a plant's lengthy growth cycle into countless specific stages that could be nurtured individually.
At each stage, he could intervene with the most precise timing, the most appropriate nutrient ratios, and the most optimized environmental parameters.
Thus, with the dual cooperation of Light chakra infusion and the precise guidance of Cultivation Lord talent, supplemented by carefully formulated nutrient solutions and several special materials, the growth rate of the branches was pushed to its limit.
In two days, he completed a path of growth that would normally take years in nature.
Of course, success was the exception.
In the recycling container at the corner of the hall lay over a dozen failed specimens, withered, blackened, and devoid of vitality.
Each had encountered a slight deviation at some point; some suffered cellular collapse from excessive nutrients, while others were scorched because chakra was injected too aggressively.
There were simply too many variables involved, and even with the predictive assistance of Seeing Through Things as Clearly as Observing a Flame, it was impossible to achieve perfection during the initial experimental phase.
Shinichi temporarily named this new maturation method, currently usable only by himself, "Growth Induction Technique."
However, at present, the Growth Induction Technique is only applicable to plants such as trees created from Wood Style, which were originally organisms created from chakra.
The cellular structure of such chakra constructs possessed a natural affinity for Light chakra from the moment of their formation. In a sense, they were lifeforms originally encoded by chakra.
Therefore, when receiving the combined signals of medical chakra and nutrient substrates, they could relatively smoothly reactivate growth programs deeply buried within their cellular memory.
As for plants that had evolved purely through nature, there seemed to be no such natural bridge between their growth rhythms and external intervention, so for now, Shinichi still could not accelerate their maturation.
Perhaps only after accumulating more experimental data in this field, or after related talents advanced to higher levels, could he completely break through this limitation.
Precisely because the Growth Induction Technique was currently ineffective on nature's native creations, Shinichi had not yet touched that penicillium-like fungal strain.
However, for someone possessing the Cultivation Lord talent, cultivating penicillium-like strains was not a difficult problem.
After all, fungi naturally have short life cycles and extremely rapid generational turnover. The pace of selection and iteration was incomparable to that of plants.
In his previous life, from the discovery of penicillin to the selection of high-efficiency strains and the eventual achievement of industrial-scale production, many years passed.
But Shinichi possessed a natural advantage in this regard; he could precisely perceive the microscopic life state of every generation of fungal strains, accurately identify the most superior mutants among tens of thousands of colonies, and transform nature's random selection into purposeful directed cultivation.
The selection cycle would be drastically shortened, and in the future, the strains he cultivated might not only have higher yields but also possess certain beneficial effects.
Because Cultivation Lord talent granted him an ability similar to the Gourmet talent when personally cultivating creations, an ability to turn the ordinary into the extraordinary.
Using the same ingredients, the dishes he prepared were more delicious and nutritious than those of others.
Then, with the same fungal strain, the ones he cultivated might also possess unexpected additional benefits.
"Then let's see how effective they are."
Shinichi examined the three saplings before him with satisfaction.
After a long time, he stepped forward and collected samples of branches, bark, leaves, and other materials from each tree before throwing himself back into work.
If these offspring trees could inherit the unique life activity of the parent tree, then even before a Wood Style user was born, large-scale testing and mass production of medical scrolls would be within reach.
Time passed minute by minute, and only when dawn's first pale light once again appeared on the horizon did Shinichi finally stop working.
On the laboratory table, what ultimately sat before him were not medical scrolls, but three bottles of liquid faintly shimmering with a golden glow.
The offspring trees he had cultivated had indeed inherited the life activity of the parent tree, but a subtle deviation had also occurred.
Without exception, all three saplings had diverged from the direction he had originally expected.
Shinichi named them Light Revitalizing Tree, Light Potency Tree, and Light Energy Tree, respectively, collectively referring to them as the three Light trees.
The growth forms of the three trees showed almost no visible differences, yet the extracted sap contained subtle but distinct gradients in active components.
Using them to create Shinichi Paper proved impossible, but they revealed an entirely new possibility.
Using only the first-generation newborn branches of the three Light trees as raw materials, and through the directed guidance of the Cultivation Lord talent, he extracted life-force components that were fundamentally homologous yet subtly different from each tree.
After concentrating and formulating with supplementary ingredients, he ultimately produced three liquid medicines with distinct effects: the three Light Waters.
The first: Light Revitalizing Water.
Its role was similar to that of an accelerated-healing agent for severe injury, essentially a safe and gentle high-efficiency life-nutrient solution.
In RPG games, it would be classified as a health recovery potion.
After consumption, it transformed into gentle vitality that slowly permeated the body's chakra pathway system and damaged tissues, accelerating cellular regeneration and wound healing.
For recovery from severe injuries such as fractures, organ damage, and extensive soft-tissue trauma, this water could significantly shorten healing time.
If used immediately after sustaining a severe injury, while it could neither bring the dead back to life nor instantly stop bleeding, it could slightly stabilize vital signs and buy precious time for subsequent treatment.
Its effects were slow but lasting.
It was not a miraculous emergency medicine with immediate results, nor could it repair tissue that had already completely died.
The first dose had the greatest effect, while repeated consumption within a short period would create saturation, leading to diminishing returns.
Its primary users were severely injured patients during recovery, post-operative patients, and those with weak constitutions.
For the ninja, this meant significantly shorter post-battle recovery periods and improved sustained combat capability for military units.
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