This item drops from Mechanicals and Venture Co. employees.
As an ingredient
As a quest objective
You can farm Flask of Oil:
- Horde is the north east of The Barrens from the Venture Co. Overseers. They are probably the easiest and best drop percentage you can find for it. The best area for
- Patch 6.0.2 (2014-10-14): Stacks to 200, up from 20.