Naruto: Starting from Orochimaru's Experimental Subject!

[Shuangwen + Naruto fan + Krypton life upgrade + leapfrog battle + protagonist's hexagon + reasonable ability acquisition] Lin Feng traveled to the world of Naruto, opened his eyes and found that he was lying on the operating table on the line between life and death, and was about to face a death battle with Orochimaru Oto Ninja Village to raise gu. Fortunately, the Krypton Life System was temporarily activated. You only need to spend your longevity to infuse ninjutsu and scientific knowledge, and you can perform infinite deductions and obtain results corresponding to the time. "For fifty years, you improved the parasites of the Aburame clan. From then on, the parasites can absorb the chakra of the tailed beasts for your use, becoming the pseudo-Ten-Tails Jinchuuriki." "After three hundred years of life, you studied Orochimaru's notes, perfectly cultivated the Mangekyō Blood Wheel Eye, and activated the dual divine power." "With a life span of five hundred years, you opened the Eight Gates of Dunjia and the Gate of Death, and overcame all the shortcomings of the Gate of Death." "With a life span of two thousand years, you have mastered the immortal modes of the three great celestial beings and successfully integrated them together.