[If Envy hadn't spent so long in Pokemon land learning how to be a real boy, he would probably have a different reaction to that first bit. As it is, he snickers like JW has just said a funny inside joke.]

Hey now, you're talking to a dead man. I'm allowed. What else do you suggest I do with them then?

I have no clue where he got the souls. Maybe you can catch him at Christmas and ask.

[Jack Skellington managed to do it so can you!]