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.
Raging Tempest
Mail set. Shadowlands.
Coif of Raging Tempests is a mail helm transmog obtained by upgrading the Primalist Mail Helm dropped in The Forbidden Reach.
Farm Primalist Mail Helm
Defeat rares in The Forbidden Reach to obtain Primalist Mail Helm, which creates Coif of Raging Tempests at upgrade level 2/3 (ilevel 385).
Upgrade to max level
Use 
Untapped Forbidden Knowledge, which drops from rares in The Forbidden Reach, to upgrade your helm to 3/3 (ilevel 395).