- Looting Spriggan corpses.
- Arch-Mage's Quarters at the College of Winterhold.
- One is in the alchemy room (second floor) of the Hall of Countenance at the College of Winterhold.
- In Fort Sungard Muster near the fireplace.
- Two are in the Nightcaller Temple in the alchemy room (where Vaermina's Torpor is located).
- At the end of Soljund's Sinkhole.
- Can be purchased from Arcadia in Arcadia's Cauldron in Whiterun.
- Main article: Potions (Skyrim)
|[[Weakness to Magic (Skyrim)|Weakness to|
† multiple effects
- It is shaped like a spriggan's heart.
- Dwarven Oil has exactly the same effects.
- What appear to be taproots are often seen hanging in Hagraven lairs, but they cannot be collected.