Did you come across the phrase Valar Morghulis?
Chances are that you might be hearing it a bit more often. Game of Thrones starts to embrace the magic aspect not only within its storylines but also when it comes to marketing strategies. HBO has now released the official poster for Season 4 and it keeps the white tone of Season 3 (contrary to the black themed first two posters) but more importantly it features a creature that might start to talk this Season: