#1 - Sept. 27, 2017, 9:56 a.m.
Unlocking Replica pvp gear
#2 - Sept. 27, 2017, 4:21 p.m.
You need the Legionnaire title as Horde, or Knight-Captain as Alliance.
These can either be the old-school PVP titles or the newer ones gained from getting 1800 rating in Rated Battlegrounds.
Hope that clears things up ^^