In Wrath of the Lich King it is item level 245 and requires level 80. 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.
How Conqueror's Darkruned Shoulderplates Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Conqueror's Darkruned Shoulderplates suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Conqueror's Darkruned Shoulderplates is part of the transmog set Conqueror's Darkruned Plate (Death Knight only). The other 16 pieces:
Items Numbered Next to Conqueror's Darkruned Shoulderplates
Blizzard numbers items as they are created, so the named items next to ID 46117 (46111 to 46122) were usually added in the same batch as Conqueror's Darkruned Shoulderplates: the same quest line, zone, vendor or reward set.