In Wrath of the Lich King it is item level 245, requires level 80 and is named Kirin Tor Leggings. In MoP Classic it is item level 232, requires level 80 and sells to vendors for 1c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Conqueror's Kirin Tor Leggings Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Conqueror's Kirin Tor Leggings suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Conqueror's Kirin Tor Leggings is part of the transmog set Conqueror's Kirin Tor Garb (Mage only). The other 10 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Conqueror's Kirin Tor Leggings Fits
Other Items Named Conqueror's Kirin Tor Leggings
1 other item in the current build is also called Conqueror's Kirin Tor Leggings. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Conqueror's Kirin Tor Leggings
Blizzard numbers items as they are created, so the named items next to ID 46133 (46128 to 46138) were usually added in the same batch as Conqueror's Kirin Tor Leggings: the same quest line, zone, vendor or reward set.
Troll CharmID 46128 · Quest"A subtle aura permeates the wood of this carving. It gives you a feeling of unease."