Naruto: I'm Rock Lee, Master of Ninjutsu

Traveling back in time to Hokage to become Rock Lee, he has no talent for Ninjutsu and no bloodline. Fortunately, he has a Ninjutsu proficiency panel. [Uninitiated, Beginner, Mastery, Master, Grandmaster] In order not to become cannon fodder in the ninja world, he practiced hard and exploded his system. "If the two escape techniques reach the master level, will they be merged into the Blood Succession Limit?" "The chakra has reached the master level and has awakened - the immortal body." "If the seven escape techniques reach the master level, will they be merged into the Blood Successor Snare?" The Fourth Ninja War. Madara: "I, Madara, would like to call you the master of ninjutsu."