Final line goes to a Raven sitting on a corpse, but what will that be?

Matters about as much as a three eyed raven yelling "Corn!" TV Series has diverged so far from books that by A Feast For Crows and after some characters are ended with unsatisfying inglorious ways to die in books, while others have done same in series. I do hope George R.R. Martin stops mucking about in what remains…