|Location||Tel Mithryn, Solstheim|
buy Spell Tome: Conjure Ash Spawn from Talvas Fathryon
|Followed by||Briarheart Necropsy|
Collect ash from an ash spawn
Talk to Neloth
Return to Neloth, he will take back Ash Extractor and the Ash Spawn Sample and reward the Dragonborn with gold, additionally in a day or two the Spell Tome: Conjure Ash Spawn can be bought from his apprentice Talvas Fathryon.