The Witcher – Uchiha Madara! Novel

Reborn as a young child mere years before Cintra's destruction, Madara inherits a legendary system that unlocks the supreme power of Uchiha Madara. With access to one of the Uchiha clan's mightiest warrior abilities, he navigates his rebirth and discovers his true potential. [The system peaks before Uchiha Madara becomes the ten-tails jinchuuriki.]