(2) Set: Killing Machine and Sudden Doom grant 25 Haste or Mastery, whichever is highest, for 15 sec, stacking up to 10 times.
(4) Set: Death Coil increases the duration of Dark Transformation by 2.1 sec per cast. Special attacks while Pillar of Frost is active will impale your target with an icy spike.
Bonuses activate at 2 pieces and 4 pieces equipped.
Read from the World of Warcraft client build files.
How Greaves of Cyclopean Dread Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Greaves of Cyclopean Dread suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Greaves of Cyclopean Dread is part of the transmog set Battleplate of Cyclopean Dread (Death Knight only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Greaves of Cyclopean Dread Fits
Other Items Named Greaves of Cyclopean Dread
4 other items in the current build are also called Greaves of Cyclopean Dread. 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 99338 (99333 to 99343) were usually added in the same batch as Greaves of Cyclopean Dread: the same quest line, zone, vendor or reward set.