"Yes, Lady Tsunade said that as a medical ninja, learning the Mystical Palm Technique is a must. If you can't master it, you'll only become a mediocre medical ninja with limited impact," Shizune responded seriously, having relaxed more as she spent time with Kagetsu.
Medical ninjas are unique and have high entry requirements. Generally, to become one, not only must you possess or develop yang-type chakra, but you also need very fine control over your own chakra.
To put it simply, if we consider the chakra output needed for a ninja's jutsu as a value of ten, Ninja A might use seven units of chakra, while Ninja B only uses five for the same jutsu with equal power. This means Ninja B has better control over their chakra than Ninja A.
However, this doesn't mean Ninja A is weaker than Ninja B. It just means Ninja B can achieve the same destructive power using less chakra.
When it comes to learning jutsus that require delicate control, Ninja B would learn faster and show more talent than Ninja A.
"So, are these all medical jutsus?" Kagetsu didn't mind reading, and as he looked at the room filled with scrolls and books, his eyes lit up with excitement.
There was no other clan in the village, except for the Uchiha, that could rival the Senju in terms of their library and knowledge.
"There are also quite a few ancient texts on clan history, and the rest are research materials left behind by the Second Hokage, Lord Tobirama," Shizune answered honestly.
"Research materials left by the Second Hokage?" Thinking of Tobirama, known as the inventor of forbidden techniques, Kagetsu became even more intrigued by the books in the room. Of course, he knew that even if Tsunade allowed him to browse the collection, it didn't mean he'd find anything valuable.
Sure enough, Shizune quickly added, "Actually, anything of real value was already moved to the Hokage's office during Lord Tobirama's time. A few years ago, the Third Hokage also sent the Anbu to review everything and took more of it away. What's left here now is mainly research material, and some medical jutsus that Lady Tsunade added later. There's no longer any forbidden techniques or jutsus left for you to learn here."
"Oh, by the way, have you tested your chakra nature yet?" Shizune suddenly remembered something and asked in a bit of a panic.
"Yin, Yang, and Lightning," Kagetsu replied. If he hadn't discovered his Yang nature, Orochimaru wouldn't have sent him to train under Tsunade so soon.
"That's great! Otherwise, you'd have to learn how to control the Yang attribute first," Shizune said with a sigh of relief, patting her small chest.
Kagetsu didn't mention that his Yang attribute was only slowly developing over time. Instead, he focused on the scrolls and books in front of him.
For Kagetsu, learning from scrolls was no different from having someone patiently teach him. In fact, with his talent, he might even learn faster on his own by absorbing the knowledge directly from the scrolls.
When Tsunade came back, storming in and smelling of alcohol, she saw two small figures in the yard, taking turns messing with a half-dead fish.
"Lady Tsunade!" Shizune had just failed in using the Mystical Palm Technique, her face dripping with sweat. Realizing something, she looked up and saw that Tsunade had finally returned home.
"Why are you still here?" Tsunade ignored Shizune's greeting, glancing at the darkening sky and then at Kagetsu standing beside her. She rudely demanded an answer.
"Tsunade-sama, we're waiting for you. Didn't you promise Orochimaru-sama that you'd personally teach Kagetsu medical ninjutsu?"
Shizune raised her hand, a bit unhappy with Tsunade's attitude. She always felt that her Tsunade-sama was great in every way, except she was too lazy and unmotivated, which drove her crazy.
"Didn't I already ask you to show him some ninjutsu scrolls? The Nara clan, being a big name in pharmacology, doesn't really have any barriers when it comes to reading and learning medical ninjutsu, right? Do I really need to teach him step by step from the beginning?" Tsunade said, trying to avoid the responsibility.
"Tsunade-sama!" Shizune's face immediately turned red, and her usually soft voice got louder.
"Alright, alright, I get it! Let me see what you two have achieved today."
Tsunade, looking a bit annoyed, scratched her head and moved toward them. She glanced at the fish in the basin that had been experimented on so much it didn't even want to move. Her face showed no expression.
A ball of green light suddenly appeared in Tsunade's right palm, glowing with vibrant, life-filled Yang chakra.
"Watch closely, I'll show you just once."
As she spoke, Tsunade demonstrated the Mystical Palm Technique to the two of them, and along the way pointed out areas they needed to improve and control.
Although the healing process took only two or three minutes, during that short time, Tsunade carefully pointed out their weak points and shared her own insights and experience with the Mystical Palm Technique.
Sure, Kagetsu and Shizune could eventually find their mistakes and weak areas through repeated trials, but that would take time and multiple attempts, not to mention the issue of chakra consumption.
However, even just a few minutes with a top-tier medical ninja like Tsunade helped Kagetsu and Shizune deepen their understanding and mastery of the Mystical Palm Technique much faster.
As for how Tsunade could instantly see their weak points and the areas they needed to improve, it was likely something she sensed from the fish's body while performing the technique.
During the healing process, she targeted those issues and used them as teaching moments.
Despite her appearance of being drunk and unmotivated, when it came to her specialty, Tsunade was still the top medical ninja in the ninja world.
After finishing the lesson, Tsunade casually tossed the now lively fish to Shizune. "Prepare this fish, we'll eat it tonight!"
"Orochimaru-sama gave us money, didn't he? It's so late already, can't we just buy something to eat?" Shizune clumsily caught the fish and complained a bit.
Tsunade's expression instantly changed, and she showed her usual impatient look again. "Do you know how expensive it is to eat out? Next time! Next time I'll have Jiraiya treat us."
"Did you lose all the money again?"
Hearing Shizune's slightly cold voice behind her, Tsunade stumbled for a moment, then quickly disappeared from sight.
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