can any one explain this

[thekingh14]

hello guys can any one help me i'm new to this game and i read the fixes and i didn't get it http://i.imgur.com/h5UojKj.png
like this death sentence i've looked in my abilities and i didn't find it

[dj051233]

Its the four piece set bonus from warriors Tier 16 armour set see: http://www.wowhead.com/spell=144442/death-sentence