"Collect ash from an ash spawn" is an objective in the side quest "Telvanni Research" in Elder Scrolls V: Skyrim - Dragonborn.
Walkthrough
Find and defeat any of the Ash Spawn. They are found in any part of the wild.
Loot the Ash Spawn and you will be presented with the option to extract the Ash. Choose this Extract option to complete the quest.
Objectives
- Collect ash from an ash spawn
- Talk to Neloth