Doubts!

{Apartment Building #13, Amegakure}

{8:12 PM, 20th July 13 Yrs ANB}

{3rd Person POV}

...

[Skill Eight Inner Gates Levelled up!]

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[Eight Inner Gates: Lvl 2 (00.00% to next level)]

[A Taijutsu technique that focuses on removing the limits placed on your body to unleash your full potential. With each Gate unlocked, the total enhancement gets stacked, though caution needs to be advised as the pressure on your body increases with each gate opened.]

[Gates Capable of Opening:

Kaimon: The Gate of Opening- +100% INT

Kyūmon: The Gate of Healing- +100% STR]

...

Ren felt the pressure that was building up on his body relaxed as the skill leveled up, he still closed the first gate as another notification appeared in front of him telling him that he had gained another 2 END.

Ox → Tiger

'Mystical Palm Jutsu'

Simply going through his routine, Ren focused on healing as he looked at the bonus, he could have gone for an extended duration now that using the technique wasn't harming him as much as it did before. He could also have tried to open the second gate, but he erred on the side of caution just in case.

During the day the third generation of his clone had popped giving him access to Komoha's plan for the war. Although he did not know much he knew basically where the battlefields were being drawn. 

'Suna and Konoha have already begun clashing, one of my clones with an identity as an ANBU is already stationed on the border. I don't know how long Konoha could pretend that their supply lines were a little fake as my clones simply used the inventory to transfer scrolls and other supplies.' Ren thought. He closed his eyes as he let his senses examine the surroundings.

Although his END stat has gained massive improvements because of abusing the Eight Gates skill, his other stats were being left behind.

'The second Gate had a 100% STR bonus so that means that at the very least all stats should get a 100% bonus as I master more gates.' Ren concluded the Eight Gates was a long-term skill that he needed to grind a couple of times every day. 

'Although getting to level 2 wasn't that hard it still took me 6 days. So if I compare it with any other skill's exp rate, it should take me 12 to 15 days to get to level 3.' 

The progress wasn't bad, if he focused then in around a year I should be able to reach level 5-6. While the bonuses of the skill weren't bad, Ren was aiming for the point when opening the 1st gate wouldn't harm his body.

'Once I get my END up to 200, at the very least I could guarantee 10 seconds of harm-free 100% INT boost. If my perk is any indication then that time should be 20 seconds soon.'

Ren looked at his status screen and focused on the special Perk, the Eight Chakra Gates.

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[Eight Chakra Gate: +50% to all Physical stats when opened. Damages the muscles slightly the longer it is used. Each Individual Gate gives an additional specific enhancement.

Max unlocked time: 20 sec.]

...

The perk was related to the amount of gates he could unlock, so in the end it was related to the skill as well. Lee had a 125% bonus so he could have opened up to 5 gates as well.

Ren hadn't known about the individual bonus that the Eight Gate gives, he had been underestimating Lee during the chunin exams, the truth was that Lee could have possibly kicked his ass if he went all out.

'A 125% bonus when superimposed with a 100% STR bonus, his STR would have reached 300 or 400 depending on how the bonuses worked.' Ren thought, he really had been overconfident back then.

As Ren's {Observe} has leveled up, he was able to look into more stats, though the truly S-rank shinobi still remained locked from him, he was able to quantify where the stats stacked.

'Most Jonin's had around 150-200 stat points on average any stat with them reaching close to 250 stat points in their favored stat.' Ren thought.

'So for a brief instance, Rock Lee was able to reach Kage level speed and strength.' 

The calculations seemed a little off but he could really go toe to toe against any Jonin, though his battle strength would last a few seconds as his body won't be able to handle that kind of strain. Especially since his END was so low. 

Ren sighed as he slowly stood up, his mind went back to the talk he had with Hiruzen, he was expecting a bit more sympathy and a bit more resources to be given to him as he was basically working as a spy while at the same time carrying forward the entire supply line of Konoha.

'He could have allowed me to go learn a forbidden technique, or at least some information regarding the Gates instead of dismissing me...' Ren thought, he has had countless of these thoughts since the moment he gained his clone's memories.

The memories of discrimination he had faced during his early academy career came back but Ren had managed to push them aside, the disappointment aside, he was looking at his level. While the stat gain he had been able to get safely in Ame was huge, Ren was itching to go back out there.

Being trapped in a village didn't sit well with him, if he wanted to be under house arrest he might as well stay in Konoha. Ren collapsed on the bed, the rock-cutting exercise was the farthest thing in his mind as he slowly relaxed and closed his eyes.

'I need to talk to Konan...'

...

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{Hospital, Amegakure}

{4:12 PM, 21st July 13 Yrs ANB}

{3rd Person POV}

"Can I talk to you for a moment?" Ren asked as he nodded toward Konan. The weird dynamic between them hadn't settled down, all 5 of them had now learned the Mystical Palm Technique. Although Ren suspected they knew the jutsu even before he taught it to them. 

They likely never understood how to use and control the technique.

"Yes," Konan responded, she was quite happy with Ren's integration into Ame. The medical Ninjutsu they had learned although aren't exactly useable right now, but she could feel herself progressing.

"I know there are almost 2 and a half months left in my probation. But if I don't perform any mission or combat any longer then my skills will start to decline." Ren spoke. His words reminded Konan of the fact that he wasn't actually a medic-nin, as even his bingo book entry never mentioned that fact.

'His strength was evaluated to be at High chunin level according to Konoha, but if he was able to kill a Jinchuriki then he should at least have the strength of a Jonin or maybe more.' Konan thought.

When he first came to Ame, Konan intended to detain Ren under house arrest and see what his intentions were. During routine questioning, it was Aoi who revealed that Ren was a medic-nin.

'I got too focused on finally having some medical knowledge flow through Ame's ranks. Though if his combat prowess is anything like his medical ninjutsu proficiency...' Kona thought, her eyes gleaming as she spoke.

"Follow me..." 

...

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AN - I'm thinking since Kakashi needed the Sharingan to fully analyze Lee's movements, his last attack with the 5th gate fully opened should reach the standards of a peak Jonin-level attack. Tell me what you think, I'm struggling with balancing the Etight inner gates a little.