[DUDE YOU TALK LIKE AN OLD PIRATE BOOK don't mind if Sam here just...stares for a while, because really? Really>?]

Um...our worlds are destroyed, or something. And you're here. And here is pretty much a horrible place. Like, "torture people with fears and ghosts and stuff" kind of horrible.

I-I'm sorry I can't be of more help, the others are better at explaining it than me.