Naruto: My version is ahead of the ninja world

Under the influence of a large amount of natural energy, Kakashi's cells and tissues began to proliferate and keratinize rapidly. More specifically, his body size expanded rapidly while hardening like a stone.

The light from the Raichter quickly dimmed.

Although natural energy is a great tonic, most ninjas are too weak to absorb it. Without gradual training, how could an ordinary ninja suddenly withstand a large amount of natural energy?

Yugen's trick succeeded mainly because he used himself as bait. Although he was pierced through the body by the Lightning Blade, it also meant that he had locked one of Kakashi's arms. A ninja cannot close his hands together, which means that his hand seals and techniques have been taken away.

Battles between ninjas are based on both strength and intelligence. Kakashi was ultimately fooled. In the brief exchange just now, regardless of his actual strength, he was unable to fully utilize it.

"You're still too young. Your '50/50' technique is clearly not fully developed yet, cough cough..."

Yu Xian coughed a few times, and a large amount of blood flowed from his mouth. He took a few steps back and, enduring the sharp pain in his chest, pulled Kakashi's arm out.

Because he had just used a suicidal attack, Yuugen was also in bad shape. He felt his strength and body temperature rapidly draining away. Although Kakashi's attack had deliberately avoided his vital organs, if left untreated, Yuugen would probably lose the ability to breathe very soon.

His chest was completely exposed, and blood flowed freely from the wound. Yu Xian felt a chill.

"Now is the perfect time to try self-healing..."

Previously, Yu Gen had studied medical ninjutsu, but he studied the basic principles. Although he did not master the Yang attribute transformation and could not use real medical ninjutsu, Yu Gen hoped to drive natural energy for self-repair.

In other words, what he was actually studying was the instinct after "becoming a sage," just like Jugo.

However, as mentioned before, examples of people with naturally born immortal bodies like Jugo are extremely rare, and Hagen is not Jugo.

Both the cursed seal and Jugo's self-healing ability mean that natural energy can promote rapid cell division, and that natural energy contains vitality and life force.

After suffering severe injuries, Yu Xian began to channel the natural energy within her body to her wounds, hoping to gain the ability to heal herself.

"It's really difficult, the speed is too slow..."

Yu Xian could sense that the natural energy was effective, but it was taking a rather slow time to work. At this rate, it would be impossible for his wounds to heal before he died.

It can only be said that people's physical condition cannot be generalized. If Jugo's self-recovery ability is as smooth as diarrhea, then Yuzuru's current efforts are more like constipation - he puts in a lot of effort, but the effect is limited.

"It's really difficult to achieve a one-step self-healing ability, but thinking about it, it's normal. If I could directly heal my wounds, wouldn't I be just like the First Hokage?"

Even though he didn't get the rapid recovery ability he expected, Yu Xian wasn't disappointed, because he still had a Plan B.

Let's take Jugo as an example again. Jugo has an ability called "Regenerative Cell Discharge," which means that he can directly transplant his own cells and body tissues to an injured person, allowing the other person to recover quickly... Of course, the injured person must have a cursed seal or be able to adapt to the power of a cursed seal.

Jugo also has a technique called "Regeneration Absorption," which has the opposite effect of the previous technique. It can absorb the tissues and cells of other people, allowing his injured body to recover quickly.

After mastering the power of "Sage Mode," Hagen couldn't reach the same level as Jugo, but the principles were the same...

The next moment, Yu Xian's chest wound began to heal rapidly, but at the same time, his limbs began to become slender, and even new wounds appeared directly—he was mobilizing, adjusting and changing the tissue cells in other parts of his body, and then "redirecting" them to heal the fatal injury.

Because it does not involve a third party, this recovery method is simpler than "cell regeneration attraction" and "cell regeneration discharge." It is simply Yu Xian's own cell scheduling and "recompilation."

To put it more simply, this is actually a case of robbing Peter to pay Paul. The total number of cells in Yu Xian's body hasn't changed much. Since he's plugged one wound, new wounds will naturally appear on his body.

This approach is certainly not redundant, because what he demolished was a "partition wall," while what he repaired was a "load-bearing wall."

Through a three-stage "treatment" process of dismantling, reconstructing, and rebuilding, many fatal injuries are no longer so fatal for Yu Xian.

The treatment that aimed to directly stimulate cell regeneration failed, but the patchwork treatment succeeded, and Yu Xian's penetrating wound in her chest healed at a visible speed.

Since the fatal wounds on the body disappeared, and even more wounds were created, this healing effect looks very much like some kind of "damage transfer".

"It seems a bit magical..."

The stinging pain from the wounds all over his body made Yu Xian feel very uncomfortable, but at this moment he did not feel like he was about to die.

With this "damage transfer" ability, Yu Xian's survivability on the battlefield has increased significantly; when necessary, he can even feign death to survive.

"With this kind of healing, or rather, survival ability as a foundation, if I also learn medical ninjutsu, and then combine the two, wouldn't I become the king of battlefield endurance?"

This survival skill was something Yu Xian had always longed for, and his mood brightened.

"Um?"

Speaking of endurance, Kakashi in front of us has gone from a ninja to a lump of ninja, but he is still alive. Although he can no longer speak, you can tell from his eyes that he still retains his self-awareness.

"Forget it, I'm not interested in tormenting people."

With a flick of his left hand, a deep blue Rasengan appeared in his palm. Upon seeing this move, Kakashi's eyes immediately filled with shock.

Then, the Rasengan entered Kakashi's body.

Then a system notification appeared in front of Yu Xian.

"Your various metrics have increased to some extent."

"You have mastered the Lightning Release Chakra Nature Transformation (to perfection)."

"You have mastered the Lightning Release ninjutsu 'Chidori' (with ease)."

Kakashi, as expected of the leader of the main characters, "dropped" quite a lot of things. Not to mention, there were nature transformations and corresponding advanced ninjutsu, which allowed Hagen to learn a different style of fighting.