To get the Glory of the Draenor Hero you have to complete 23 achievements concerning the Draenor dungeon on Heroic difficulty. It will allow you to obtain Frostplains Battleboar. Here you can buy "Glory of the Draenor Hero" for EU or US Servers. Also you'll get guide for completing "Glory of the Draenor Hero" and can help your friends with these hard quests.
It is a rather harder that it may seem, and we are there for you to do your game process easier.