Sharingan actually has the ability to see the flow of chakra in the human body. Kakashi used to use this ability of Sharingan to his advantage and was once renowned as the Copy Ninja in the Shinobi World.
But for Sharingan to be able to see through the flow of Chakra in someone's body, there is a prerequisite… and that is, there must be no obstacle between the user and the target. If something blocks the vision of the user, then Sharingan can't see the flow of chakra… but Byakugan has no such restrictions, regardless of the number of obstacles present between the user and the target, it can effortlessly see the flow of chakra… and this is exactly what's happening here.
When Neji heard Sasuke's words that he couldn't see the Chakra that was as bright as the Sun even with his Sharingan, Neji understood the exact reason…
Sasuke questioned, "Hey… you listening?"
Neji nodded, "Yes… I Understand now…" then without explaining much, he just said to Sasuke, "Follow me… and make sure to not make any noise!"
After leaving such words, Neji proceeded forward.
Sasuke was dissatisfied that Neji was keeping him in the dark but followed, nonetheless.
After walking for a while, Neji stopped and said, "This is the barrier…" then added, "We'll have to get past it."
The two children didn't know much about the barriers, so they also didn't know what all things can a barrier do… so without thinking too much, they proceeded forward.
It felt like passing through a thin layer of air, and they crossed the barrier.
As soon as they did so… the surroundings changed.
Unlike the calm and silent woods in which they were until now, this side of the barrier was extremely noisy and windy.
The shrieks of breaking through wind and low muffled sounds of something colliding with woods and metals could be heard…
Although the two kids are quite young, they are experienced enough to understand the meaning of these sounds…
Such sounds are made when fists and legs collide with wood and metal… It could be the result of someone training or probably someone fighting.
It's just that the screaming sound was too loud and too harsh, it constantly pierced their eardrums, making them dizzy, at the same time, the impact caused by the rhythmic muffled sound hit their chest every second… it felt as if someone was constantly beating their body… disrupting their breath and emotions.
"Haaah…. Haaah…" Neji and Sasuke tried to calm their disrupted breathing… and looked at each other with horrified expressions.
Sasuke muttered incredulously, "Who… the hell is inside?"
Neji shook his head, "I don't know… I can only see that his chakra is extremely strong, I have never seen such strong chakra… but as for their identity, I am not certain either."
Since it was a Chakra that Neji didn't recognize, Sasuke couldn't help but think of a possibility, "Is it an enemy? Should we inform Shisui-nii?"
Neji shook his head, "Initially I thought of the same possibility, but upon thinking it over, I realized that it's not possible… Firstly, this is Konoha's center, no one can appear here so easily, without alerting even a single person in the process… and even if we assume that someone did manage to do so, they won't make such movements out in the open… I mean, true this area is surrounded by a barrier… but still…"
Sasuke nodded with a thoughtful expression, "Yes… you are right…"
Neji nodded, and said, "Well… since it is not an enemy, it must be someone from the village… and it is very likely that they are carrying out their training here…"
Sasuke muttered in wonder, "To think that someone can affect the surroundings to such a degree only through their training… I wonder who is so strong…"
The noise and wind shrieks caused by the other party's training alone have made the two kids breathless and dizzy… they really couldn't imagine the identity of the person training here.
Neji said, "That's what I want to see… I want to see who is it… If you want to come along then fine, otherwise you can go back, if you are scared that is."
Sasuke snorted, "Who said I am scared?" and proceeded to walk forward.
Neji looked at Sasuke with a light smile, then he too walked forward.
The kids had only taken two steps, when suddenly a figure appeared behind them out of nowhere, lifted them by their collars, and questioned, "What are the two of you doing here?"
Neji and Sasuke were taken aback, their heart almost came out of their throat… only when they heard the voice of the person holding them did they calm down.
Sasuke turned his head backward to confirm that the person who lifted them is none other than Shisui, he breathed a sigh of relief and said, "Shisui-nii… you just scared me to death!"
Neji also muttered, "Thankfully it's only Shisui-sensei…" at the same time, he thought to himself, 'It turns out that it was Shisui-san carrying out training in these woods… if it's Shisui sensei, then perhaps such movements are not too strange… after all, Susano'o should indeed be able to make such moveme–… wait a sec…'
Neji's thought came to an abrupt stop… because he just realized the sounds of screaming wind and collision hadn't stopped yet.
This undoubtedly means that the person who is training in the woods is not Shisui, but someone else…!
Realizing this, Neji couldn't help but point to the depths of the forest and ask, "Shisui-sensei… who is training there?"
"Huh…? Oh, that?" Shisui also looked in the direction pointed by Neji, then said with a smile, "It's Principal… Remember, this is the Principal's personal training field… and only he comes to train here…"
"Principal…!!?" Both Neji and Sasuke were shocked… and exclaimed in unison, "But… but…"
Before the two children could finish speaking, Shisui waved his hand, "Don't be too surprised… Kuroto-san is indeed the person training there… it's normal… Well, I have said enough… now, the two of you must leave here… children are not allowed here, so, the two of you must immediately leave!"
Saying such words, Shisui didn't wait for Neji and Sasuke to finish and immediately took them out of the woods.
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Read up to Chapter - 938 on P.a.t.r.e.o.n Page: p-atreon.com/Milta_translations