While collecting alchemy ingredients on the way to Falkreath, you inadvertently give a Spriggan the wrong impression. On one hand, you really should try to clear up the confusion, but on the other... this does seem like a useful way to collect plenty of Spriggan Sap.
Explore link - https://play.aidungeon.io/main/scenarioView?publicId=274a3fa0-4536-11eb-9ac9-97e86f33898d