Raikiri itself possessed an acceleration effect so extreme that even its user could barely react to it. If that power were transferred onto a kunai, the overall destructive force might decrease slightly—but a kunai's sharpness was something a human hand could never rival.
More importantly, if this could be achieved, Raikiri's side effects would be completely avoided.
In Xia Li's vague memories, he seemed to recall that a Raikiri Kunai did exist, and that Kakashi had once used something similar—but the memory was too hazy to confirm.
Of course, there was still a drawback. If the Raikiri-level chakra was depleted, it would essentially consume one major trump card. With Xia Li's current chakra reserves, he couldn't use Raikiri many times…
So how could he improve the hit rate of a Raikiri Kunai?
After some thought, Xia Li reached a conclusion—he would have to increase the kunai's speed even further.
At absolute speed, finesse became meaningless. At that level, even if you dragged in a Uchiha, it was questionable whether they could gain any advantage at all.
This was pure speed supremacy—precise and instantaneous.
But… could it be accelerated even more?
Xia Li tried hard to recall Minato's figure, yet the image remained frustratingly unclear, as if it had already faded away. Had he truly reached a dead end?
If Naruto's memories were unreliable, could he draw inspiration from his previous life instead?
Xia Li searched through his memories slowly, until suddenly—a brilliant image flashed through his mind.
A flying super electromagnetic cannon.The Railgun.
While it might not reach that level of power, the underlying principle was absolutely worth borrowing.
Xia Li looked at the arcs of electricity dancing around his fingers. Although he lacked Magnet Release, he still remembered one small piece of pitiful physics knowledge—
Electromagnetism didn't belong to any bloodline.
That said…
He sighed internally. Returning to work after graduating college instead of after high school had been a mistake. The little physics knowledge he once had had long since been taken away by his teachers.
From this point on, he could only rely on experimentation.
The probability of success wasn't low. The power of a railgun…A spark of excitement flashed in Xia Li's eyes. This was absolutely worth investing time into.
If successful, could electromagnetic acceleration rival Raikiri itself? What about combining the two? What would the initial launch velocity be? What about continued acceleration after release?
This was… genuinely fascinating.
When the time came, how many people could react to something like that?And even if they did react—how fast could they possibly evade?
As for the name…
Super Electromagnetic Lightning Kunai?No—better wait until the results came in. It didn't even have to be a kunai.
Sure enough, studying math, physics, and chemistry really did make traveling to another world less frightening.
That said—there was one thing that made Xia Li want to cry.
His math, physics, and chemistry grades were absolutely terrible.
Chapter 89: Xia Li's Strength
In the days that followed, Tenzō completely abandoned the idea of "taking care of the rookie." Both the frequency and difficulty of the missions increased sharply.
Fox and Hyena adapted well. They didn't waver despite the rise in difficulty, and the strength they displayed was more than satisfactory.
Hyena was the stronger of the two. His ferocious, fang-like techniques made him difficult to defend against, though he struggled against higher-tier enemies.
Normally, such opponents would be handed over to Tenzō—but with Xia Li joining the team, they now had another option.
That option was letting Xia Li handle enemies at the level of Special Jōnin.
At first, Xia Li mostly fought Chūnin. Everything changed when he ambushed and killed a Special Jōnin with a Rasengan.
Previously, if they faced two Special Jōnin, Tenzō would deal with one while the others restrained the second and waited for support.
Their combat style could be summed up simply:
Weak enemies were eliminated immediately.Strong enemies were suppressed and handed to Tenzō.
With Wood Release, Tenzō truly had the qualifications to fight patiently—until Xia Li once again used Flying Thunder God against a Special Jōnin.
This time, he didn't use a blade. Instead, like the Fourth Hokage, he unleashed the classic Rasengan.
The enemy was killed in seconds.
Hyena and Fox were left completely speechless.
Was this something only the two of them had "cooked up" together?
Obviously not.
After so many days of testing, Xia Li now had a very clear understanding of his own combat strength.
With Flying Thunder God, he was nearly invincible in multi-target scenarios. As long as the mission didn't require a frontal clash, even high-difficulty tasks posed little threat.
Root operatives simply weren't his opponents.
However, in direct confrontations, Xia Li posed the greatest threat to Special Jōnin only when the enemy did not know about Flying Thunder God.
Once the enemy was aware and prepared countermeasures—even if they still couldn't react to teleportation—they could respond defensively.
At that point, Xia Li would be forced into a hard fight.
Flying Thunder God didn't raise the user's baseline like Sage Mode did.
He hadn't fully mastered the technique like the Fourth Hokage, and with his limited chakra, he could only use it a few times—let alone consecutively.
A tough battle was inevitable.
And oddly enough, Xia Li was satisfied with this.
He knew that while his techniques were powerful, most could only be used a handful of times. They were decisive, lethal techniques—not something he could spam like Naruto.
Stripping away those trump cards, his fundamentals were merely at Chūnin level—not outstanding.
But he was only ten years old.
Considering his age, reaching Chūnin level through fundamentals alone was already terrifying.
This was the result of years of training, Lightning Release stimulation, and the secret medicines of Mount Myōboku.
Against enemies of the same rank, Xia Li's ninjutsu talent granted him overwhelming suppression—greater even than a Jōnin facing a Chūnin.
Simply put, he was a walking stat abuser.
He could threaten Special Jōnin and even kill them with his trump cards.
He estimated that he could assassinate a true Jōnin once—only once—by exploiting Flying Thunder God's surprise factor.
If the first strike failed, a second kill would be nearly impossible.
In summary, Xia Li's self-assessment was this:
He could achieve a first-kill against Jōnin-level enemies, remained undefeated against Special Jōnin, but could not guarantee a complete victory.
Thanks to Xia Li, Team Tenzō's mission efficiency skyrocketed, and their workload increased accordingly.
Even so, encounters with Special Jōnin were rare. Running into two at once had been pure bad luck.
They had yet to encounter a true Jōnin.
Jōnin were rare everywhere—extremely rare.
With Tenzō leading, their safety margin was actually very high. His overall abilities were simply too strong.
This was likely why the Third Hokage assigned Xia Li to this team.
As for teamwork, Xia Li had no intention of fully integrating, and the others didn't push the issue. They all understood he wouldn't stay long.
There was no need to worry whether Xia Li's combat style suited the team.
If anything, working with him only improved their performance.
From Hyena and Fox's perspective, as long as Xia Li's kunai was thrown before the enemy could react, the opponent would likely be decapitated instantly—far more efficient than exhausting themselves in prolonged combat.
In their eyes, Xia Li already possessed Jōnin-level combat power.
As his strength grew, his status in the team gradually rose to second only to Tenzō—yet Xia Li rarely made demands.
That day, Xia Li and the others waited inside the Anbu headquarters for Tenzō.
This mission had been directly assigned by higher command.
Hyena and Fox—especially Hyena—were focused not on Xia Li himself, but on the kunai constantly floating around him.
Gray Fang simply thought it looked cool.
Hyena, however, was baffled. Why were the kunai flying on their own? It had to be related to the arcs of electricity around Xia Li—but how?
A bloodline? Magnet Release?
It didn't seem quite right…
Xia Li ignored Hyena's shock and sighed inwardly.
This really was difficult. Only repeated practice would make it manageable.
If he actually possessed Magnet Release, things would be far easier—but since that was a bloodline ability, likely involving Lightning and another element, it wasn't something he should consider now.
For the moment, maintaining proficiency was enough.
Perfect control was still difficult—just stabilizing the kunai was already challenging.
But…
If he fully mastered it, could he use them like flying swords?
Immortal sword techniques?Or—
IONIA CALLS—STAY SHARP!
Xia Li estimated that simulations could cover most scenarios, but at this power level, controlling the electromagnetic field was far too complex—and possibly insufficient.
As he trained while thinking, Tenzō pushed the door open, mission scroll in hand.
Chapter 90: Mission to the Land of Iron
"Captain, what's the mission this time?" Hyena asked first.
"This mission is special. We're escorting a transport team to the Land of Iron," Tenzō replied, glancing at Xia Li.
Hyena and Fox were startled. Protection duty?
"Captain, isn't this usually handled by surface-level teams?" Hyena asked.
He wasn't wrong. Anbu missions were typically covert and unsavory. Public assignments were usually handled by genin teams under jōnin instructors.
"Correct—but we're only providing covert protection. A non-Anbu team will handle the escort openly. Mo Ying's role is different," Tenzō said.
Hyena and Fox exchanged a glance.
They had once felt imbalance—but after witnessing Xia Li's strength, what did imbalance even mean anymore?
Xia Li was surprised as well and looked at Tenzō.
Tenzō didn't explain immediately, instead unrolling the mission scroll.
"Let's review the mission first."
Xia Li read it and realized the destination was far away—the Land of Iron.
Although it bordered the Land of Fire, the latter was massive, and a caravan's speed couldn't compare to ninja travel.
Once he finished reading, the truth became clear.
On the surface, they were escorting a transport team.
In reality, they were escorting two people.
The grandfather was a legendary blacksmith—renowned for crafting weapons for samurai and even many ninja.
He had a grandson, around twelve or thirteen, who rarely left home.
Xia Li's mission was to impersonate the grandson.
The real grandson would remain beside the master, staying hidden whenever possible.
As for enemies—on the surface, they were wandering ninja.
But Anbu intelligence suggested that Kirigakure ninja might be involved.
Xia Li wasn't surprised. Mist ninja were famous for weapon forging themselves—it made sense they'd covet such craftsmanship.
After reading, it was obvious why this mission suited only Tenzō's team.
Few Anbu units could pull this off.
The disguise was perfect—few would suspect the blacksmith's grandson to be the protector.
Xia Li's thoughts drifted elsewhere.
If this was a master blacksmith…Could he commission future Flying Thunder God kunai?
Material quality was critical. The seal wouldn't disappear—but if the weapon broke mid-flight, the mark would be useless.
This was an opportunity.
"Mo Ying, this is the human-skin mask sent from above. You'll need time to adjust. The mission begins in one hour," Tenzō said, handing him a box.
"Understood."
Xia Li took it and headed inside.
He had no intention of exposing his true appearance.
Transformation jutsu couldn't be maintained indefinitely.
Soon, Xia Li emerged—now wearing the human-skin mask.
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