Wisp Core is an ingredient in The Elder Scrolls IV: Shivering Isles. The ingredient comes from the root stalk plant, which can be found in caves in both Mania and Dementia. This is one of the few ingredients that Mirili Ulven does not want for the quest "Taxonomy of Obsession."
- 4 samples in Cann, Arena Zone,
- 3 samples in Jastira Nanus' house in Split (Mania side)
- 3 samples in The Wastrel's Purse in The Fringe
- They can also be found randomly in chests