No. I have risen above what humans would call 'death' ... I can always return no matter what. The Lifestream cannot contain my spirit.

[He might keep getting sent back there by a certain spikey haired blond guy, but said protagonist is also the same reason he can repeatedly come back. Mostly because Sephiroth is unable to let things go. And has a bad obsession.

Also Kaiba's attempt at joking just completely flew past because Sephiroth has the social skills of a doorknob.]

I considered that it might be something similar due to the laws of what would be considered normal seemingly not applying here.