·As Kai tore the scroll of the ninjutsu study, the entire scroll turned into specks of light, burrowing into Kai's body.
Flying Thunder God Technique!
Flying Thunder God Technique: Second Stage!
Flying Thunder God Guiding Thunder!
Not only the Flying Thunder God Technique, but also its extended technique Flying Thunder God Technique: Second Stage, and even its defensive application Flying Thunder God Guiding Thunder, were all imprinted in Kai's mind.
He pulled out a kunai, gripping it tightly by the tail handle with his right hand, and a large amount of chakra surged into the tail handle of the kunai.
In a few breaths, Kai released his right hand, and a chakra-engraved mark appeared on the tail handle of the kunai.
"Damn, I didn't expect the mark of the Flying Thunder God Technique to consume so much chakra!"
Feeling nearly a third of his chakra disappear, Kai couldn't help but be a bit shocked, considering his chakra level was genuinely at the Jonin level.
A third of his chakra could easily match the total chakra of an elite Chunin.
But it's understandable, after all, the mark of the Flying Thunder God Technique carries the mental energy of the caster, so engraving the Flying Thunder God mark naturally requires a lot of chakra.
"Let me see the power of the Flying Thunder God Technique."
Kai's hand flicked the kunai, which swiftly flew towards the opposite wall.
At that moment, Kai's body suddenly vanished.
In the next instant, he had crossed most of the room, his right hand grabbing the kunai that was about to hit the wall.
Flying Thunder God Technique: Second Stage!
Seeing himself appear on the other side of the room without any warning, Kai couldn't help but marvel, "As expected of the Flying Thunder God Technique."
Feeling the chakra in his body decrease by about another third, Kai couldn't help but be a bit troubled:
"However, the chakra consumption is really high. Even in my peak state, using the Flying Thunder God Technique three times would deplete my chakra, and..."
Kai looked at the kunai in his hand, which already had some cracks, and his expression was a bit troubled:
"Although the mark of the Flying Thunder God basically doesn't disappear, the material carrying the mark isn't just any ordinary material. No wonder Minato Namikaze used specially crafted kunai, and Minato Namikaze didn't have such high consumption when using the Flying Thunder God Technique. The material of the kunai definitely has a reason. It seems I need to ask Uncle Shishio for some chakra conductive metal."
...
In the Konoha Anbu base, although not hidden like Danzo's Root, which lurks tens of meters underground beneath the Hokage Rock, it is still very concealed, shrouded in large-scale genjutsu.
Without reaching the Jonin level, if one doesn't know the method of entry and exit, it could be dangerous enough to die inside.
Anbu Chief's Office.
Mitarashi Shishio looked at Kai in front of him, clearly feeling a bit surprised:
"Kai, why do you have time to come to Anbu, is there something you need?" Shishio knows very well that Kai doesn't like the dark atmosphere of Anbu, and wouldn't come to find him unless there was something.
"Yes, Uncle Shishio, I need some chakra conductive metal." Kai didn't bother with formalities with Shishio.
"What do you need it for?"
Shishio was a bit puzzled, since Kai has the Thunder God Sword, which is more useful than weapons made entirely of chakra conductive metal.
Kai didn't speak, but took out the kunai engraved with the Flying Thunder God Technique and directly threw it towards Shishio.
Shishio looked at the kunai that flew past his hairline with some confusion, just as he was about to ask Kai, he saw Kai, who was originally standing in front of him, suddenly disappear into thin air.
Being a peak Kage-level expert, Shishio could confirm that Kai definitely wasn't using any kind of Body Flicker Technique!
"Hey, Uncle Shishio." Kai's voice sounded from behind Mitarashi Shishio.
Shishio suddenly stood up from his seat, turned around to look at the kunai in Kai's hand, his face showing a look of astonishment, and said with some disbelief: "This, could this be the Second Hokage's... Flying Thunder God Technique!?"
Kai flipped the kunai, revealing the Flying Thunder God mark on the tail handle, and replied, "Yes, it's the Flying Thunder God Technique."
"How did you learn the Second Hokage's Flying Thunder God Technique!?"
Mitarashi Shishio pursued the question, his expression a bit serious, after all, the Flying Thunder God Technique is a village secret technique, and in Shishio's impression, there aren't many people in the village who can use it, and they wouldn't casually teach Kai.
Kai also anticipated that Mitarashi Shishio would question him, scratched his head, and said a bit embarrassedly:
"Two years ago, while browsing the Book of Seals, I accidentally looked at it a few times, and then remembered it. After two years of study, I can finally use it."
Even with Kai's thick skin, he couldn't help but blush a bit.
"Looked at it a few times, and then learned it?"
Mitarashi Shishio's expression was a bit dazed, his face only returned to normal after a while, showing a serious look, and seriously asked: "Who else knows you've learned the Flying Thunder God Technique?"
"No one else, I only completed the training of the Flying Thunder God Technique today." Kai replied.
"Good, don't tell anyone else. I'll report this to the Third Hokage." Mitarashi Shishio thought for a moment and said:
"Also, the ninja world has been restless lately, the Third Ninja War could erupt at any time, and chakra conductive metal is a strategic resource. Even I can't provide a lot to you, ten kunai is the maximum limit. You provide the style of kunai you need, and I'll have someone make them for you."
Can't provide a lot, but can provide ten!
Even in the future, Asuma Sarutobi, as a Jonin, couldn't apply for enough chakra conductive metal, resulting in his weapon being just a pair of knuckle blades (Flying Swallow). Kai couldn't help but marvel at Anbu's wealth.
Anbu's efficiency was indeed fast, from the time Kai provided the style of the kunai, it took less than an hour for the finished product to be in his hands.
Looking at the trident-like kunai in his hand, the cold blade flashing with a chilling gleam, Kai couldn't help but feel delighted.
"Uncle Shishio, if there's nothing else, I'll be leaving."
Kai didn't like the Anbu environment from the start, so after getting the kunai, he immediately said to Mitarashi Shishio.
"Okay." Mitarashi Shishio responded: "Also, Sakumo asked you to find him when you have time."
"Sakumo Sensei!?" Kai was stunned for a moment and replied: "Okay, I will."
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