Kakashi patted Kai on the shoulder and walked toward the lake.
“Do you think that just relying on my Sharingan is enough for me to have such a reputation in the shinobi world?” Kai walked over and stood beside him, looking out at the lake.
“Besides the Sharingan, you probably have a highly destructive ninjutsu to go with it.” “After all, you’re a jōnin.
It’s impossible for you not to have a trump card.” Kakashi looked at Kai and smiled.
“That’s right.
I once developed a ninjutsu.
Without the Sharingan, it would have been an extremely dangerous technique.” “But with the Sharingan, it became a devastatingly powerful attack.” Thinking back to when he had first developed Chidori, Kakashi couldn’t help sighing.
Without the Sharingan to assist him, the technique had been incredibly dangerous.
A single mistake could easily lead to a counterattack and death.
Kakashi let out a quiet sigh.
“If an old friend hadn’t transplanted this Sharingan into me, I wouldn’t have reached where I am today.” Although the Sharingan consumed a tremendous amount of Kakashi’s chakra, it had also raised his overall combat ceiling.
His extraordinary combat instincts compensated for the chakra drain.
As long as he carefully calculated his chakra consumption, the Sharingan was an enormous enhancement.
Kai looked at Kakashi.
Kakashi thought Kai was curious about who had transplanted the eye into him.
“Want to know who gave me this eye?” Kakashi smiled.
If it were anyone else, he probably wouldn’t say anything.
But Kai was someone he had already decided to treat as a disciple, so he didn’t want to hide anything.
In a certain sense, Kakashi valued Kai even more than Naruto or Sasuke.
Kai was slightly stunned.
In truth, he had simply been distracted.
But since Kakashi misunderstood, he didn’t bother correcting him.
He nodded.
“I am a little curious.” Kakashi sat down by the lake and patted the ground beside him, signaling Kai to sit.
After Kai sat down, Kakashi began speaking.
“After I graduated from the Ninja Academy, I was too young to get along well with the other shinobi in my squad.” “So I ended up waiting until the classmates who enrolled with me finally graduated before I was able to form a proper team.” “In a way, you could say I didn’t really graduate early after all.” He chuckled lightly.
Kai naturally knew this story.
Originally he thought Kakashi would immediately start teaching him ninjutsu, but instead the conversation had turned to the past.
Still, that only showed how much Kakashi trusted him.
Otherwise, he wouldn’t share these memories.
“And this eye,” Kakashi continued softly, “was transplanted into me by my friend, Obito Uchiha.” “Back then…” Kakashi told him about the mission he once carried out with Obito Uchiha and Nohara Rin.
Although Kai already knew the general story, it was the first time he had heard the details directly.
“This eye is Obito’s legacy,” Kakashi said quietly.
“And it has helped me immensely.” Kai remained expressionless, but inwardly he couldn’t help thinking: If Kakashi knew what Obito is doing now… this speech would probably feel very awkward.
After finishing the story, Kakashi looked at Kai.
“I hope that in the future you’ll protect the friends you treasure.” “Losing friends is extremely painful.” His words were sincere.
He truly didn’t want Kai to suffer the same fate he had.
Kai didn’t respond verbally—he simply nodded.
Kakashi stood up.
“Alright, enough sad stories.” “Do you know why I plan to teach you Chidori?” “You don’t have the Sharingan.
This technique is extremely dangerous.” Kakashi looked at Kai, curious whether he understood his reasoning.
Kai thought for a moment.
“You think my dynamic vision is very strong.” “Strong enough to rival the Sharingan?” Kakashi smiled and patted Kai’s shoulder.
“Exactly.
When I tested you last night, I noticed your dynamic vision is incredibly sharp.” “It’s even stronger than that of many ordinary Sharingan users.” “Chidori requires high-speed movement and extremely sharp dynamic vision.” “And you have both.” Kai nodded.
“But I imagine this technique is very difficult to master.” “That’s right,” Kakashi said.
“The learning difficulty is A-rank.
Without strong dynamic vision, it would practically be S-rank difficulty.” “Before learning this technique, your physical movement speed must reach a very high level.” “And it consumes a huge amount of chakra.” “But that won’t be a problem for you.” “Your chakra reserves are already at jōnin-level.” “With your chakra, you should be able to use Chidori around ten times a day.” “I can use it about twenty times a day.
Your chakra reserves are already about half of mine.” Kakashi didn’t yet know that Kai’s chakra had increased again.
However, Chidori consumed less chakra than its advanced form.
The advanced technique—Lightning Cutter—was even more demanding.
Chidori was A-rank, while Lightning Cutter was S-rank.
Currently, Kakashi could only use Lightning Cutter four times per day.
That alone showed how enormous the chakra consumption was.
Kai listened attentively without interrupting.
Kakashi nodded in satisfaction.
He was very pleased with Kai’s learning attitude.
“Although Chidori has high requirements, you already meet all of them.” “Dynamic vision, physical condition, and chakra reserves—you excel in all three.” “So there’s no need to train those aspects further.” “I can teach you Chidori directly.” “I’ll explain the principle of the technique now.” “Once you master Chidori, I’ll teach you its advanced form—Lightning Cutter.” Kakashi had very high expectations for Kai.
He didn’t believe it would take long for Kai to learn Chidori.
So he immediately began explaining the principle behind Chidori.
Compared to ordinary ninjutsu, Chidori was indeed extremely complex.
It truly lived up to being a technique developed by Kakashi himself.
Most people wouldn’t even understand the explanation, let alone master the technique.
After explaining for more than ten minutes, Kakashi looked at Kai.
He couldn’t guarantee that Kai would understand everything in a single explanation.
“If you didn’t understand, I can explain it again,” Kakashi said.
“This technique is very complicated.
It’s normal not to understand it the first time.” Kai nodded.
“I understood.” To make sure Kakashi believed him, Kai began analyzing the entire principle of Chidori—breaking down its structure, chakra flow, and execution method.
He described it so precisely that it sounded as if he had already mastered the technique for years.
In truth, Kai really had understood everything after hearing it once.
His thinking ability was now far stronger than before.
Especially when it came to ninjutsu comprehension.
Kakashi stared at him in shock.
“If I hadn’t personally explained it to you just now,” Kakashi said slowly, “I would’ve thought you’d already mastered this technique for decades.” “You sound far too familiar with it.”
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