Two years from Naruto's banishment, somewhere in the ruins of Uzushiogakure.
In this two years Naruto had fully mastered the normal powers of the Rinnengan. The curios thing about the Rinnengan was that it simply mirrored the human potential, everything that can be done with the Rinnengan can be achieved through training, although it could take insane amount of time to achieve such a level of power. The only humans to have even come close to such a power being Hashirama Senju and the first Uzukage, especially since he discovered way to permanently seal the sharingan, Madara not counting since he had a watered down version of the Rinnengan.
The eyes spared Naruto the need of centuries of training and allowed him to delve further into the Rinnengans more advanced powers. One such example being the power of the Preta path to absorb nature energy, even if you were moving, and turning it into normal chakra but it could also be used to maintain the sage mode for an indefinite amount of time. According to Takagi, the eyes were as powerful as the owner, which meant he was the only one, alive, to be capable of yielding the legendary power of Hagoromo Otsotsuki aka The Sage of the Six Rinnengan had the added benefit that it allowed him to use every special jutsu derived from the Eternal Mangekyo Sharingan and it had none of their drawbacks.
He had also learned different magical disciplined, at which he excelled especially when it came to magical duelling, vast area spells and runes, although he was still lacking when it came to potions or the more mundane spells. When it came to the usual ninja stuff he could be considered an S-rank ninja but that was if he used his Rinengan and magic and he didn't like to become depended on them.
The area he most liked was Fuinjutsu, which was no surprise due to his Uzumaki heritage and the Namikaze heritage gave him a speed and dexterity bonus which was gladly accepted. His current level in Fuinjutsu was: Exotic Fuinjutsu Mastery lvl. 15 but he was currently stuck there because it needed to much exp to gain a new lvl. and despite he used it every time he fought in his Dungeon Dimensions the advanced mastery was hard to level up. Naruto had managed to recreate the Flying Thunder God technique and had improved it a bit although this new improvement had yet to be tested.
He had also learned the art of technique creation. The process was pretty boring, as it involved calculations, as it was needed to calculate which hand seals were needed for the jutsu, the right way to mold the chakra etc.. Strangely, being the son of the Yellow Flash gave him an +30% exp when it came to new technique creation. He had already achieved to create three new jutsu although one might be considered a new Bloodline limit.
The first was meant to imitate the Susanoo but was also meant to be way superior to it in the same time. It evolved from a simple technique to a full blown nature release. He nicknamed it the Celestial Release, as it was used to draw mystic energy (nor chakra, mana, ki etc.) and give it a shape, the shape of an armor, which increased the wearer's strength, speed and regenerative abilities. Now while the Rinnengan didn't give the ability to create Bloodline limits, seals could take two or more different chakra natures and merge them to create a new Bloodline limit and then the chakra was introduced into the bodies chakra pathways little by little causing it to imitate the new chakra, the only reason this wasn't done was that it put the body under a lot of pressure, enough to kill and it was only thanks to healing spells and the Ying-Yang: Heavenly Restoration, that Naruto survived the process.
The second was the ultimate jutsu, a one shot kill technique, capable of bypassing every kind of defense one might have and the yielder of such a jutsu could technically speaking destroy armies without even getting a scratch. The technique was a kenjutsu (a sword jutsu), it could be performed with any sword as long as it was made of chakra conductive metal, and that the user had enough chakra. It worked by causing the sword to go through dimensions, multiple dimensions at once, to avoid a Kamui user to survive by becoming intangible, and the tip of the sword was transported right inside of ones body, usually in the middle of the heart, in the frontal lobe or at the intersection between the brain and the spine, meaning instant death. The only downside being that only those with really large chakra reserves could even think about using it, since it required a lot of chakra to utilize.
