Spawns following the anniversary raid "Steel Behemoths" (see this quest entry for details).
Cerulean Power Fragment
Kranigan's Fiery Hammer
Kranigan's Fist
Kranigan's Pulverizer
Unneksteel Cloak
Unneksteel Dagger
Unneksteel Gorget
Unneksteel Greataxe
Unneksteel Pinion Gear
Unneksteel Sword
Unneksteel Waistband
Unneksteel-Plated Spaulders
Viridian Power Ring