WoW Transmog — Browse All Transmog Sets
Browse all 3,100+ World of Warcraft transmog appearance sets. Filter by expansion, armor type (Cloth, Leather, Mail, Plate, Cosmetic), and PvP sets. Track your wardrobe completion across all expansions.
Browse transmog sets from raids, dungeons, PvP, and quests across all expansions. Filter by armor type (plate, mail, leather, cloth) and source. Track which appearances you own and which you still need via Battle.net sync.
Razorfin Regalia
Cloth set. Battle for Azeroth. This belongs to the Eternal Palace leather transmog sets, called "Razorfin Regalia" in-game. However for some reason it doesn't change appearance w...
Razorfin Regalia is the Eternal Palace leather transmog set obtained by farming the raid on Normal difficulty.
Farm Eternal Palace
Enter Eternal Palace and defeat bosses to collect Razorfin Regalia pieces. Run the raid on Normal difficulty to ensure the correct appearance drops.
Purchase missing pieces
If you need 
Cloak of Blessed Depths, search the Auction House as this item is tradeable between players, or visit Ulmath at 83.4, 35.4 in Nazjatar to check vendor options.