In the Appearances collection, Favor of the Infinite Infantry is listed as Boss Drop / Vendor. Appearance IDs: 56418, 56391, 56409, 56400. No other item uses this appearance, so it is unique to Favor of the Infinite Infantry.
Read from the World of Warcraft client build files.
How Favor of the Infinite Infantry Compares
Who It Suits
Favor of the Infinite Infantry carries Agility or Strength or Intellect, the primary stat of Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Beast Mastery, Marksmanship and Survival Hunter; Assassination, Outlaw and Subtlety Rogue; Discipline, Holy and Shadow Priest; Blood, Frost and Unholy Death Knight; Elemental, Enhancement and Restoration Shaman; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter; Devastation, Preservation and Augmentation Evoker.
Similar Items
The 7 items nearest to Favor of the Infinite Infantry (item level 252) in item level among Armor > Cloth, Back slot, from item level 197 to 226.
Favor of the Infinite Infantry is part of the transmog set Armaments of the Infinite Infantry (Warrior only), which the Appearances collection lists in 4 versions. The other 14 pieces:
Favor of the Infinite Infantry is part of the transmog set Cosmic Gladiator's Plate Armor (Warrior only), which the Appearances collection lists in 3 versions. The other 13 pieces:
Favor of the Infinite Infantry is part of the transmog set Eternal Gladiator's Plate Armor (Warrior only), which the Appearances collection lists in 2 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
About Favor of the Infinite Infantry
Favor of the Infinite Infantry is not traded on the Auction House, so it has no live market price. It is acquired in-game from the sources listed above. This page collects its first-party game data (identity, effects and where it comes from) from the official World of Warcraft client build.