Gilded Harbinger Crest

By this point, a lot of World of Warcraft players have done a great deal of gearing up during Season 1 of The War Within, but there are still a lot of walls being hit by players at the high end -- achievements with some silly requirements, absurd amounts of crests needed to craft the highest tier of crafted item, and overtly punitive crest losses from failing a Mythic+ timer.