|1st||Weakness to Magic|
|Desired Effect||Combine with:|
|Fortify Illusion||Regenerate Magicka||Restore Magicka||Weakness to Magic||Taproot|
11 guaranteed samples can be found in 3 different locations:
- 8 in Mzinchaleft (Hjaalmarch)
- 2 in Irkngthand Arcanex (The Pale)
- 1 in Alftand Animonculory (Winterhold)
With the Dawnguard add-on 1 more guaranteed sample can be found in 1 different location:
With the Dragonborn add-on 12 more guaranteed samples can be found in 1 different location:
It is categorized as an uncommon ingredient, meaning that all apothecary merchants have a 15% chance of carrying 1-5 samples. In addition, it may be randomly found in uncommon- and rare-type apothecary's satchels.
Dwarven centurions (including Dwarven centurion guardians and Dwarven centurion masters) are guaranteed to drop at least one sample of Dwarven oil. All other automatons, in particular all varieties of Dwarven spheres, Dwarven spiders, and Dwarven ballistaeDB, have a 50% chance of dropping one sample.