This is a list of loot acquired from the specified bosses inside Blackwing Lair. This is a 40 man raid instance that is a step up from Molten Core, as bosses drop Tier 2set pieces. Therefore, most of the loot inside here is superior that of the Molten Core loot.
Nefarian drops the [Head of Nefarian], which like most other end-bosses starts a reward quest for killing the last boss of an instance. Turning in the Head allows players to choose from the following rewards:
"Held In Off-hand" is not in the list of possible values (Back, Chest, Feet, Finger, Hands, Head, Held in off-hand, Legs, Main Hand, Neck, Off Hand, One-Hand, Projectile, Ranged, Relic, Shirt, Shoulder, Tabard, Thrown, Trinket, Two-Hand, Waist, Wrist, Two-Handed) for this property.