Chapter 15

"Ugh, what hit me?" Kakashi groans as he finally regains consciousness the next day. He cracks his eye open and looks around. This wasn't any place familiar. Where was he?

He tries to sit up, then groans in pain. He lies back down, rubbing his head. He had a massive headache, and he bet he knew why. "At least it isn't almost complete immobility like the other times."

Just then, the door to his room opens up. In walks his two cute little students, and his deceptively cute not-so-little student. He still had a hard time believing Sasuke was mentally 18.

Naruto blinks, then grins widely. "Hey, sensei is awake!" His students then run to his side, checking to see if he was fine.

Kakashi eye smiles and says "Ma ma, no need to worry. I just have a headache." He waves his hand dismissively as well.

Sasuke eyes him a bit, taking in his form. "He's better than last time. I am certain he did something in secret."

In Kakashi's mind, he was breathing a sigh of relief. "That chakra training I did with Obito's sharingan came in handy. I still can't believe I only got out of that with just a headache."

Kakashi sighs out loud this time as he lowers himself onto his pillow, ignoring the pounding pain in his head. Shortly after Sasuke told him what the future was like, and him in particular, he was severely disappointed. Although Sasuke could've changed some things by accident, he was still certain his past/future self was not very impressive. As a result, he trained. In the short span between the team's formation and the Wave mission, he constantly worked on his chakra control, reserves, and using his sharingan. He had yet to attempt the Mangekyo sharingan yet, but he was getting confident in his abilities.

Misinterpreting his sigh as a sound of pain, Sakura quickly attends to her sensei. Her hands begin to glow green as she says "Sensei, you still have some mild chakra exhaustion. You need to rest for a few more days."

Kakashi just nods his head slightly in agreement. He knew better than to try and get out of resting. Naruto just watched with a keen eye, while Sasuke was just frowning. A few days is better than a weak, but they still need training.

Taking initiative, Sasuke then says "Sensei, what should we do during your resting period?"

Kakashi looks at him, then quickly determines the real reason. The silver-haired jonin looks at his students and says "One of you will protect the bridge builder at a time until I recover. The other two will train in the forest out back. Judging from his injuries and the near-death state, Zabuza should be out for a week. That gives us time to be a little lenient, but not too much. Anything can still happen."

Everyone nods, but Sakura seemed nervous. She fidgets a bit, and Kakashi sighs. "What is it Sakura?"

The pinkette flinches at being called out, but knows she can't back down now. She fidgets a bit more and looks away. "S-Sensei… what about when it is my turn to protect Tazuna-san? I-I'm not the most… offensive ninja."

Kakashi frowns as he takes in this information. He thought Sakura was a good ninja, but she had a point. Her training so far was oriented towards medical ninjutsu, not offensive ninjutsu. That needed to be changed. For now, he knew what to do.

He looks at Naruto and says "Naruto, can you send a shadow clone with Sakura to help her protect Tazuna?" Naruto nods, accepting the new mission quite easily. He grins and turns to Sakura, flashing a thumbs up. She just huffs in irritation, but on the inside she was relieved.

Despite his idiocy, Naruto was shaping up to be one hell of a ninja. His shadow clones, combined with his stupidly absurd levels of randomness and chakra made him train insanely quickly. For someone of his level, learning elemental chakra manipulation, let alone mastering it, was almost unheard of. Sakura was relieved to have even a shadow clone of his help her, even if she was a little jealous of his strength.

After Kakashi says the order of training, that being Sakura, Naruto, then Sasuke, they all went out of the house to train. Naruto creates a shadow clone and Sakura waves to them as she and the clone leave with Tazuna. The two remaining genin then move to the forest to train.

I look around the forest clearing that I could remember quite clearly. This was the place I first learned wall climbing, an essential skill for shinobi. I sigh as I look at the three trees we used, unmarked and standing tall… so far.

I grin widely as an innate urge to blow something up enters my mind. I don't care about what people said about me and my stoic attitude, I still fucking LOVE blowing shit up.

With my train of thought stuck on jutsu of incredibly spectacular scales, I decide to try testing my new heightened reserves. I had big reserves in my previous life, but this was definitely more than before. The possibilities are endless!

First things first though, I decide to run through my jutsu arsenal from the previous time. I know the Fireball, Phoenix Flower, and Dragon Flame jutsu, but nothing else. Let's see what I have.

I frown, blocking out the sounds of Naruto creating his shadow clones. I have… let's see… Chidori? Maybe, but not yet. Amaterasu… no, I don't have the Mangekyo sharingan yet. Kirin? I don't have Amaterasu for storms. That leaves… Indra's Arrow.

I frown as I think of this. That was a technique I developed alongside Naruto in a last ditch effort to defeat Kaguya after we failed the first time. Combining mine and Naruto's powers, Naruto sent two massive Rasenshuriken infused with elemental releases, while I sent a massive arrow of lightning at her. It didn't kill her, and the chakra used was too much, but the damage it did was immense. Maybe… no, that couldn't work… could it?

My thoughts switch into overdrive as I think more and more on this possibility. In the end, Indra's Arrow was nothing more than some fine chakra manipulation and some massive amounts of chakra. There was no way I could make an arrow that big again with my Susanoo, but maybe I could make one smaller… like an actual bow.

My eyebrows furrow as I try this theory. It was a simple concept, but pulling it off was another story. I needed to shape my chakra to form not only a bow, but also the arrow. In hindsight, maybe a bit of yin chakra would be needed. At least I can use that still…

I can feel my chakra flow through my body, my yin chakra splitting slightly and ready to be used. I'll keep it there in case, but for now I'll try just pure lightning chakra. I flow the chakra into my hands, shaping it appropriately. It begins to form, exiting my hand, the loud crackling being heard quite easily. Next, the chakra begins to form the limbs of the bow. It was working, actually working!

BOOM

My thoughts are derailed instantly as the lightning chakra fluctuates violently, then explodes in my hands. I'm sent flying backwards, slamming into a tree and leaving a good sized indent.

"Teme?!" I can hear Naruto running towards me, but I don't care. I shake my head, trying to remove the ringing in my ears. "FUCK that hurt!"

Naruto kneels down next to me and says "Sasuke? What did you just do? Your hands are all red and black, and there was that massive explosion too."

I grit my teeth, finally feeling Kurama healing my head and hands. Damn fox probably got a kick out of that. The chuckling I hear from my head confirms it.

I frown, ignoring Kurama for now. "I was just trying to make a new jutsu. I thought I could do it with just my lightning chakra, but I need something else now."

Naruto's eyes widen, then he grins. "A new jutsu?! Is this the one you were going to show me?!"

I look at Naruto in confusion. "The one I was going to… wait… oh fuck." I groan and put my head into my hands as I remember my promise on graduation day. I can't believe the idiot remembered!

I sigh, then say "No Naruto, that is not the jutsu I was going to teach. I have something in mind, but it'll be a bit before I can do it." I wasn't lying either. I was planning on teaching Naruto the Fireball Jutsu, since he has that insane fire affinity. He would make a literal INFERNO with good teaching.

Naruto frowns, then just nods his head. As he gets up and walks away, instantly going back to his wind training. I hope I didn't upset him, but he didn't look upset either…

I frown and get up as well, walking back to where I once was. It's obvious that I can't just use lightning chakra on this technique. I need yin chakra to form the bow, keep it stabilized. That's what it was for anyways, making things from my imagination.

As I stop in my spot, I breathe out in concentration. I needed to focus. My hand goes out, and I guide my chakra. Lightning and Yin. Form the limbs. The crackling of electricity is heard. Form the middle. Form the string. Reinforce it with Yin chakra. I can feel it now. I grip the middle tightly. Form the arrow. I can feel it forming. It needs more chakra. More. More… There.

I breathe out once more, then open my eyes. They narrow in absolute concentration, my sharingan activating on pure reflex. The arrow was crackling with power, the area around me humming. I hold the bow in a certain stance, pull the string back, and let it fly.

The arrow of lightning streaks through the air in a split second. A trail of lighting was made from its flight, but the real spectacle was from the arrow's impact. The arrow slams into a tree, but it doesn't penetrate the tree. Instead, it explodes violently. A web of lightning branches around the tree and through the air, seeming to make its own tree of pure lightning.

I gasp in awe, not expecting such results. Then, the pain hits me. I grunt in pain and fall to one knee, gasping for breath. Seems like the attack took a lot of chakra to use, a little too much for my current level. I chuckle, watching as the tree of lightning disappears, leaving nothing but a pile of ash. "I guess this is a last resort, but was it damn worth it."

I then hear Naruto running at me, screaming his head off. I sigh and turn to him. This is going to be a pain to deal with, but now I have a stupid OP jutsu under my belt. One step closer to beating Kaguya…

Haku was an incredibly skilled kunoichi. She was ruthless when needed and faster than most jonin. She had larger reserves than most females, and could easily evade hunter-nin. She has seen countless deaths, some so violent that most people would vomit in disgust, with a straight face. She's even seen jutsu of incredible power, enough to keep even Zabuza-sama worried. However, she has never felt any sort of fear from that. Now though, she could feel fear.

This bow in front of her was beyond her capabilities to handle. She saw him form the bow of lightning from chakra alone, something extremely rare in jonin, and should be impossible for some new genin. And yet, he pulled it off.

Intrigued by what the results could be, the fake hunter-nin watched the results. She never felt more terrified than she did at that moment.

The best way to describe the results was as if lightning had erupted from the tree at all angles, completely consuming it in a tree of pure electricity before covering the whole area in a blanket of blinding white light. She had to cover her eyes lest she lose her sight to the whole thing.

Once the light died down, she was left in awe. The tree, standing tall and proud moments before, was nothing more than ash. Intricate markings surrounded the blast zone, as if the lightning itself was creating a mark of its presence and dominance. There was a perfect circle of scorched or burnt grass all around the middle.

She frowns, then turns away, jumping across the trees. Even if she was skeptical of the whole thing with the Hokage, she couldn't deny his words of how powerful these genin were. And she was certain they would only get stronger.

She didn't know how much of an understatement that was.

-Author Notes-

Is it bad I am saying I want to make Sasuke OP after 15 chapters? I don't want him too OP at first, but the kid is going to go ham after some things happen. This is a taste of just how quickly and effectively this man can train with the mentality of an 18 year old. I hope you enjoyed!