I realise this is a strong necro but I didn't wanna make a new thread:
http://us.battle.net/wow/en/characte.../Onak/advanced
Look at dat chit
DK with Corrupted Ashbringer xmogged. I can't see any way how he would've got it apart from BMAH. Maybe Blizz did a item restore or swap (if such thing is possible).
But there it is clear as crystal.