Game of Thrones Season 4 Key Art Says "All Men Must Die"

 A couple of days ago, HBO released three new teaser clips and about 20 new character posters for the most anticipated TV series Game of Thrones which is the 4th is to premiere on April 6th, today the company debuted a key art for the series that shows a 3-eyed raven with also an in-picture caption that says "ALL MEN MUST DIE". Check it out below.