He transmigrates into the Hokage world on the eve of the Uchiha Clan Massacre, becoming the Uchiha Divine Tree. To his dismay, he discovers that Itachi has already killed him once, and the Anbu and Root are about to clean up the battlefield. If they discover him, he won't escape being killed a second time.
Who could have expected the Uchiha Divine Tree to suddenly awaken the Infinite Trait Plundering System? As long as he plunders traits, he can keep growing stronger!
Plunder the Mangekyō Sharingan! Awaken the mighty Susanoo!
Plunder the Sage Body! Awaken Kekkei Genkai: Wood Release: Sage Art: Wood Release: True Several Thousand Hands!
Plunder the Ōtsutsuki bloodline! Awaken Kekkei Mōra: Infinite Tsukuyomi!
Years later, Hiruzen Sarutobi, Itachi, Obito, and the rest of these filial descendants pull the Six Paths Uchiha Divine Tree into a room. "Bro, there were too many people outside just now, so I got down on my knees for you!"
The protagonist's ability is very suitable for scientific research. If a powerful experimental subject is cultivated, you can kill him to directly obtain its entries. Moreover, if you kill once, you can only copy it once a day, which has limitations. If you can develop cloning technology, you can wait for the next three days to continue killing.