You're probably not dead just on virtue of being here-- this is the furthest thing from the Astral Plane that I can imagine.

[With that cleared up, though, he can move on to what he does know.]

That said, this space is... liminal. It's likely this is all a dream. But it does make connections difficult.

[Is that everything? No, wait, one more question.]

But uhm, yes, I am quite undead on the regular. A servant of death going to and from the Astral Plane can't very well be alive.