Dang... Can't say I haven't had my fair share of last requests, but they were never anything world-saving! Sounds like your world went through some dark stuff.

[He very nearly adds a 'too' to the end of that sentence, but narrowly avoids letting it slip. That could've lead to explaining he's not ready for, especially when he's too busy worrying about being dead!]

I...I think I'll save mine though. 'cause I just can't believe it! This has just gotta be some...weird...ghost-like disease...

[He's reaching, of course. But he really has no explanation for what's happened to him.]