- Schematic: Dark Iron Bomb
- Requires Engineering (285)
- Use: Teaches you how to make a Dark Iron Bomb
- Requires Thorium Widget (2) Dark Iron Bar (1) Dense Blasting Powder (3) Runecloth (3)
- 1 Charges
This item is found as loot from Weapon Technicians in the Blackrock Depths instance. While the odds of finding it on the body of any single technician is not great, there are a lot of them in the instance, and it is bound to turn up within a few runs of the instance.