[Orochimaru's Laboratory]
While Karin hadn't arrived yet, Orochimaru began to go into detail about the results he had achieved over the years.
"This is a series of modifications made for Sage Mode."
After saying that, he slightly tilted his head and gave Tsunade a look.
Tsunade immediately understood. Her hands quickly formed seals, and with a low shout, "Ninja Art, Byakugo Sage Art!" [T/N: Strength of a Hundred Seal(Byakugou) + Senjutsu(Sage Art)]
In an instant, the Yin Seal that had been hidden on her forehead was suddenly released, and a powerful force surged out.
Patterns completely different from before appeared on Tsunade's face.
The once winding, twisting lines had now become straight and orderly, aligned cleanly both horizontally and vertically.
As Tsunade activated the Byakugo Sage Art, Rengoku sharply sensed a large amount of natural energy rushing like a tide toward the Byakugo Seal on her body, quickly being absorbed into it.
Seeing this, Orochimaru, who was standing nearby, spoke unhurriedly to explain, "Tsunade's control over chakra is extremely precise. However, the Strength of a Hundred Seal has always had a fatal flaw. It consumes the user's own life force as the price for restoring the body."
At this point, Orochimaru paused slightly before continuing, "So after long periods of research and experimentation, I used the meridians within Tsunade's Byakugo Seal to engrave a curse mark."
"In this way, she can use natural energy to merge with the chakra inside her body, forming senjutsu chakra, thereby replacing the original method of consumption that came at the cost of her life."
Hearing this, Rengoku was inwardly amazed.
He had never expected Orochimaru to perfectly combine seemingly unrelated things like curse marks, sage arts, and Tsunade's Yin Seal into such an incredible creation.
"Incredible! Before, you had powerful recovery but lacked effective defense. Now even your defense has been brought up."
Rengoku couldn't help but sigh in admiration, instinctively analyzing the situation using the experience and knowledge he had gained from playing games in the past.
In his eyes, once Tsunade activated the Strength of a Hundred Seal, it was like having a super recovery skill, but at the cost of reducing her maximum health bar.
But now, the Sage Byakugo was like help in a snowstorm and icing on the cake. It not only increased attributes like strength, speed, and endurance across three dimensions,
it made Tsunade both durable and capable of dealing high damage, while also possessing continuous recovery, and without reducing her maximum health.
Sage Mode Iron Fist style!
Hiss!
Rengoku couldn't help but suck in a breath of cold air and exclaimed, "Tsunade's frontal combat ability… that's a full-on war goddess template."
Hearing Rengoku's generous praise, Tsunade proudly waved her fist in a show of confidence, an undisguised look of pride appearing on her face.
"Hmph! How about it? When are you going to let me try punching through your Susanoo with one hit?"
Rengoku burst out laughing, "Hahaha! Looking at how confident you are, are you planning to surpass the First Hokage, Senju Hashirama?"
Facing Rengoku's teasing, Tsunade smiled slightly, then released the Sage Byakugo state.
She took a light breath and said, "Of course I hope to surpass my grandfather. But right now, this Sage Byakugo has only just been developed, and there are still many areas that need improvement."
As she spoke, she frowned slightly and added with a hint of helplessness, "And with my current strength, the chakra consumption needed to maintain this state is just too much. I can't sustain it for very long."
After hearing this, Rengoku's gaze fell on the prominent diamond-shaped mark on Tsunade's forehead, and he asked thoughtfully, "Don't you have the Yin Seal? You should be able to store more chakra with it, right?"
Tsunade explained, "If we're only talking about direct consumption during battle, it's actually not that huge. But if you also count the chakra needed for recovery, then it becomes a bit of a deficit."
Rengoku nodded thoughtfully.
He proposed an idea, "In that case, why not store the already mixed senjutsu chakra inside the Yin Seal?"
Tsunade shot Rengoku an annoyed glance.
"You really do talk as if it's easy. Do you think everyone has as much chakra as you do?"
At this moment, Orochimaru, who had been standing nearby, also spoke up in agreement, "Although Tsunade's control over chakra is extremely precise, her total chakra reserves are only at a normal level."
After a brief pause, he added, "And because she needs to use the Strength of a Hundred Seal, the amount of chakra she can freely allocate and use is actually even less."
Hearing this, Rengoku nodded slightly.
"I see! Then the purpose of this experiment is to try to increase Tsunade's chakra limit, right?"
Orochimaru nodded slightly and confirmed, "Exactly."
Then he looked Rengoku up and down and said with some emotion, "If Tsunade could have chakra as abundant as yours, her strength would probably undergo a complete transformation."
Rengoku's eyes turned slightly as he thought.
"She can't be like me, but I can be like her."
He added, "Her chakra reserves aren't as large as mine, but I can learn the Strength of a Hundred Seal. I can already use senjutsu anyway."
Tsunade looked at Rengoku with interest, a hint of amusement in her expression.
She shook her head gently and said slowly, "I have to admit, your strength is indeed great. But mastering the Strength of a Hundred Seal is not something easy."
At this point, Tsunade paused slightly, then emphasized, "Just the hurdle of chakra control alone is something you probably won't be able to pass easily."
Indeed, just as Tsunade said, Rengoku had never been particularly skilled at precise chakra control.
Especially now that he possessed such an enormous amount of chakra, he was even less inclined to spend effort on fine control.
Facing Tsunade's doubt, Rengoku only smiled lightly and replied with ease,."So what? As long as I'm willing to spend time and practice step by step, I'll be able to master it eventually."
Then, as if suddenly remembering something important, he continued, "And while I'm at it during this time, I also plan to start developing several other chakra nature transformations. That way, I'll have plenty of things to do."
As soon as Rengoku said this, Tsunade couldn't help but freeze slightly, her face full of surprise as she asked, "What did you just say? You're going to develop several other chakra nature transformations?"
Clearly, Tsunade found this idea quite unexpected.
She frowned, her expression serious as she reminded him, "Do you even understand how difficult it is to develop a completely new chakra nature transformation?"
In response, Rengoku nodded without hesitation, indicating that he understood the difficulty very well.
But even so, he still answered, "I know. But no matter how hard it is, it has to be done."
To successfully step into the realm of Bloodline Expansion, there could be no shortcomings in chakra attributes.
Tsunade didn't fully understand Rengoku's plan, but she didn't continue to persuade him.
Instead, she said, "Alright then. I'll organize all the related materials and give them to you."
"You can read through them first and try to understand. If there's anything you don't get, come find me anytime."
After all, talent was something hard to measure, no one could say for sure.
If Rengoku truly possessed such astonishing aptitude, that would undoubtedly be a great thing.
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