in your browser.
These can be gotten from the Black market auction house (if you want proof:
will show that not only did I manage to get them without setting a foot in that raid... but I have gotten them before the heroic mode of this raid was released (the only place where these drop).
This item is part of the green heroic difficulty recolor of the
Tier 14 set. For more information about this transmog set, including drop locations for all matching pieces, read about it
on the set page