Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Wall-Breaker Legguards Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Wall-Breaker Legguards suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Wall-Breaker Legguards is part of the transmog set Mogubreaker Battlegear (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Wall-Breaker Legguards Fits
Other Items Named Wall-Breaker Legguards
2 other items in the current build are also called Wall-Breaker Legguards. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 143977 (143972 to 143982) were usually added in the same batch as Wall-Breaker Legguards: the same quest line, zone, vendor or reward set.