This item is acquired in-game. See its sources below.
An Uncommon Mail Chest, item level 100, requires level 80, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, Riftwalker's Cuirass is listed as Quest. Appearance ID: 120776. 8 other items wear the same appearance:
Read from the World of Warcraft client build files.
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Riftwalker's Cuirass suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Riftwalker's Cuirass is part of the transmog set Thalassian Mail Armor (Hunter, Shaman and Evoker only). The other 16 pieces:
Thalassian Competitor's Chain CowlBurnt Watha'nan Chainmail
Lynxslayer's Scale GripsEversong Defender's Helmet
Twilight Spy's Breeches
Waistguard of Herbicide
Reluctant Diplomat's Vambraces
Lightstalker's Boots
Bloomtrimmer's WrapTwilightbreaker's GripsZulguard's StridersSkyblessed ChainmailSpiritwarden's CinchProwlers Shawl
Atalguard's Oath ShoulderguardsBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Riftwalker's Cuirass uses icon file 7082303, which 16 other items also use. The 8 closest by item ID:
Stained Hauberk ID 258851 · Armor - Mail · item level 78Tarnished Dawnlit Sentinel's Hauberk ID 258928 · Armor - Mail · item level 197Spore-Covered Breastplate ID 260446 · Armor - Mail · item level 100Neverending Vortex Chainmail ID 260866 · Armor - Mail · item level 100Eversong Farstrider's Ring Mail ID 263344 · Armor - Mail · item level 100Skyblessed Chainmail ID 248569 · Armor - Mail · item level 80Mail of Darkened Deceit ID 264306 · Armor - Mail · item level 100Burnt Watha'nan Chainmail ID 248021 · Armor - Mail · item level 197Blizzard numbers items as they are created, so the named items next to ID 256207 (256202 to 256212) were usually added in the same batch as Riftwalker's Cuirass: the same quest line, zone, vendor or reward set.
Light-Crazed Rutaani's Shoulderguards ID 256202 · Armor - Mail · item level 100Light-Blighted Greaves ID 256203 · Armor - Mail · item level 100Har'mara Defender's Helm ID 256204 · Armor - Mail · item level 100Hopeful Haranir's Grasps ID 256205 · Armor - Mail · item level 100Neverending Vortex Stompers ID 256206 · Armor - Mail · item level 100
Bracers of the Suncrown ID 256208 · Armor - Leather · item level 100
Battered Belt of the Council ID 256209 · Armor - Leather · item level 100
Light-Blanched Shoulderpads ID 256210 · Armor - Leather · item level 100
Light-Blighted Trousers ID 256211 · Armor - Leather · item level 100
Hat of the Harmonious Grove ID 256212 · Armor - Leather · item level 100The raw ItemSparse values for item 256207 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB