Everyone we love on Game of Thrones dies. Well, actually, pretty much everyone dies on the show regardless. Some of the hurt of losing beloved characters is lessened by the way George R. R. Martin crafts his bad to the bone villains, making their eventual demise that much more satisfying. But before he does that you pretty much hate them more than anyone or anything you've ever hated.
Don't read this if you haven't seen seasons one through three and the first few episodes of season four. You've been warned.