Reborn into Naruto World with Tenseigan

At the arena

Normally, it is challenging for anyone to process information at high speed. However, Sasuke, having significantly increased his movement speed using the Lightning Chakra Stimulation Technique, should have found it difficult to keep up with all the information. Surprisingly, the dynamic vision provided by his three-tomoe Sharingan allowed him to continue without any problem, even managing to overwhelm Rock Lee to a certain extent.

On the other hand, despite lacking the Sharingan, Rock Lee, accustomed to high-speed combat due to years of training under Might Guy, faced almost no difficulty keeping up with Sasuke. While his eyes might not capture all of Sasuke’s movements, he relied on his combat intuition and instincts to accurately respond to Sasuke’s straightforward attacks.

As a result, the two opponents remained evenly matched for a while.

However, a challenge persists. While the Lightning Chakra Stimulation Technique yields remarkable results, there exists a limit to the amount of stimulation a person’s body can endure. After a certain duration, the body begins to numb, making it challenging to sustain this technique for an extended period. Sasuke experienced this limitation, with signs of numbness becoming evident, particularly in the muscles of his legs.

The same dilemma applies to Rock Lee. Initially, keeping up with Sasuke’s tactics posed no issue, as they were only single-layered. However, as Sasuke transitioned to multi-layered tactics, Rock Lee began to feel overwhelmed and found it difficult to keep up, resulting in a few minor injuries. While Might Guy’s combat style is simple and straightforward, Sasuke, trained by Kakashi and influenced by the likes of Itachi and Shisui, has mastered the use of multilayered tactics in battle.

Nevertheless, Rock Lee was far from defeated and harbored no desire to give up. This greatly annoyed Sasuke, who clicked his tongue in anger and glared at the Bushy Brow.

Although Sasuke had initially intended to resolve the battle within thirty seconds, a minute had passed with no signs of Rock Lee’s defeat. This filled Sasuke with shame, leading him to believe that his parents and brother must be disappointed in him for being unable to defeat someone who was often considered at the bottom of the barrel.

While Rock Lee took deep breaths, he sighed and looked at Sasuke with a bright smile. “As expected from you, Sasuke-san. You are really strong, but I don’t plan on being defeated that easily either!”

These honest words from Rock Lee not only failed to make Sasuke happy but further infuriated him.

Sasuke found Rock Lee’s speed particularly vexing. Throughout the confrontation so far, Rock Lee had relied solely on his normal speed, without employing any specific technique to enhance it. However, for Sasuke, this seemingly normal speed was anything but; he had to depend on the Lightning Chakra Stimulation Technique to keep pace with Rock Lee.

This realization struck Sasuke — in terms of speed, Rock Lee had far surpassed him!

As this thought crossed his mind, Sasuke glanced at the viewers’ stand from the corner of his eyes. He could see his Otou-san and Okaa-san there. Then, he shifted his gaze to the side where the academy instructors were sitting, spotting Itachi among them. All eyes were on him, displaying a mix of concern and expectation on their faces.”

“Tou-san, Kaa-san, Nii-san…” muttered Sasuke, realizing that he could no longer hesitate. He looked back at Rock Lee and spoke in a cold tone, “This ridiculous farce will end this very instant!” With that, Sasuke weaved the hand signs, and a burst of dazzling lightning, accompanied by the sound of thousands of chirping birds, appeared in his hand—‘Chidori!’

Rock Lee was startled by the Ninjutsu Sasuke used, recognizing that Sasuke had finally become extremely serious. Understanding that he could no longer hold back if he wanted to win, Lee glanced at Might Guy in the stands.

Might Guy gave Lee his signature Guy smile, “Let the flames of your youth burn brighter than ever!”

Lee nodded, took a deep breath, and released the restraints ‘Eight Inner Gates Formation: Gate of Opening: Open!’

BANG!

A shockwave spread around the arena with Rock Lee as the center and the flow of air changed.

‘Gate of Healing: Open!’

The airflow surged again, forming a cyclone visible to the naked eye.

‘Gate of Life: Open!’

When the gate of life was opened the ground beneath Rock Lee’s feet cracked.

Despite the impressive ninjutsu showcased, such as ‘Rasengan,’ ‘Multiple Shadow Clone,’ and ‘Eight Trigrams: Great Eruption,’ the use of ‘Chidori’ and ‘Eight Inner Gates’ once again left everyone in shock.

Kakashi couldn’t help but exclaim in surprise, “Rock Lee, this boy, has he already opened up to the third Gate?” While aware that Rock Lee was training under Might Guy, Kakashi was unaware that Rock Lee had started learning the Eight Inner Gates. The revelation was incredible!

Kuroto muttered with a thoughtful expression, “I wonder up to which Gate Rock Lee can open.”

Hearing Kuroto’s words, Kakashi turned back to the arena. He was extremely curious and eager to discover what would unfold in the battle and how many doors Rock Lee could open.

On the Viewer’s Stand, as Fugaku sensed the Chakra, he couldn’t help but mutter in surprise, “So, this boy has indeed mastered the Eight Inner Gates!”

“I don’t know if Sasuke can win this fight,” said Mikoto.

If Fugaku and Mikoto were concerned about whether Naruto would be able to push Sasuke and defeat him to have that stimulating effect, their worries have now disappeared. It’s challenging to say whether Sasuke will be able to win against Rock Lee.

Compared to others, Itachi remained quite calm. As the Principal of the Konoha Ninja Academy, he is, of course, aware of Lee’s progress, though Itachi also believed that Sasuke could still win this fight.

The fellow trainees all exclaimed in surprise, especially the girls who admire Sasuke. They were nervous, never expecting that Sasuke would have such a difficult time against Rock Lee of all people!

Naruto was also taken aback, exclaiming, “This bushy brow also has such a Jutsu that he can use?”

Neji’s face was pale. Whether it was Chidori that Sasuke used or the Eight Inner Gates that Rock Lee used, both of these Jutsu surprised him. Chidori was still acceptable since it is a ninjutsu that can be learned with not too much difficulty, but the Eight Inner Gates? Mastering that Forbidden Technique requires a significant amount of time and effort!

The use of the ‘Eight Inner Gates’ by Rock Lee was beyond everyone’s expectations.

…

Back at the Arena.

‘Gate of Pain: Open!’

The intensity of the winds increased rapidly, causing rocks to rise in the air around Lee.

Sasuke no longer possessed the confidence he had before. He resisted the overwhelming pressure and looked at Lee in shock, saying, “This technique… Didn’t Kakashi-Sensei use this technique against Otou-san during the Hokage Election? How did Rock Lee learn this technique?”

Sasuke couldn’t comprehend how Rock Lee had learned a technique that Kakashi hadn’t even taught him!