View all Delve Maps in The Elder Scrolls Online.
Delve Name: Gloomreach
Delve Boss Name: Pythis the Betrayer
Zone: The Reach, Blackreach: Arkthzand Cavern
Delves in The Elder Scrolls Online (ESO) are rather easy, solo or cooperative, small dungeons or caves with single Skyshard and named Boss who drops set gear. Delves are accessible to everyone at any time.