https://www.youtube.com/watch?v=gMZMZplA04I&t=214s
Black Zetsu is not "thousands" of years old. He is slightly more than one thousand, given Hagoromo died about one-thousand years ago.
@Arcadia warlic Who cares. That mf is still old. Besides, he's immortal.
No one is immortal.
@Arcadia warlic No one is immortal besides Black Zetsu, Kaguya Ōtsutsuki, and Hidan who are confirmed to be immortal beings in the Narutoverse that can only be Incapacitated.
"Kaguya had died. In this world, there wasn’t such a thing as immortality."
What do you think?