I shall rise again...

And when I do I'll come back more powerful than you could ever imagine.

r u still vs'ing the world or something

Sort of-kind of.

He says that and then never comes back with more power. He just sort of shows up as a fuzzy blue ghost and says some stuff.

THIS ISN'T EVEN HIS FINAL FORM

I have not yet met my demise; I'm not done yet.

Well that rules out every DBZ character that actually matters.