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
All Transmog Sets for Rogues - Guides - Wowhead
The Rogue in Mists of Pandaria - GotWarcraft.com
Rogue specs in Mists of Pandaria Beta | Forever a Noob - A WoW Rogue Blog
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The Gotwarcraft Subtlety Rogue Guide for Mists of Pandaria - GotWarcraft.com
The Subtlety Rogue in the Mists of Pandaria - GotWarcraft.com