Pandaren rogue. Set is a mix of MoP quest greens and BfA warfront gear (notice how much higher res the MoP gear is despite being 6 years older) Obviously going for a
Silent Assassin Armor - Transmog Set - World of Warcraft
Mists of Pandaria Challenge Mode Gear Effects: Rogue - YouTube
Rogue - Amazing PvP & PvE Tmog and Titles | MoP&WoD CM [EU]