When even the flames have died away, all that remains is the Void... Bare emptiness... Nothing. How unfortunate... As far as I know, nothing can live outside the planes... so you probably can't either.

But, oh well, I do consider you a bit of a guest, and, as such, feel a little responsible for you. No, I won't let you die. But do bear in mind, this portal doesn't lead to anything, yet...