I just finished Killing Illidan in BT for the contest and the main hand warglaive dropped.
The last time my character killed Illidan according to the contest before today was June 20, 2013, almost exactly 3 years ago...I have the offhand Warglaive sitting in my bank from that run.
Sounds awesome right? 2 kills, got both glaives.
It was on my Warlock