Naruto: Touching Corpses to Become Stronger, Becoming the Guardian of Uchiha

[Naruto, system, become stronger by touching corpses, upgrade, invincible]

On the night of the genocide, Uchiha Heng'an bound himself to the corpse-touching system to become stronger, and could recycle corpses to obtain blood and strengthening points.

He quickly became stronger with the help of the system and the Mangekyō Sharingan, and saved the entire Uchiha clan with his absolute strength!