Fire_Phoenix_02
If you want to continue, please do more interesting things like: experiments with dna and kekkei genkai of different clans, for example: Chinoike, Uchiha, Kaguya, Uzumaki, Senju (Or Hashirama cells if there is, he could sort of take them when he returns to the past) And Tenseigan, or open another eye in the middle of the forehead and attach an eye there or another cool dojutsu to the left eye