ESO Gloomreach Delve Map with Skyshard and Boss location.

Map of Gloomreach Delve (The Reach, Blackreach: Arkthzand Cavern) with location of Skyshard and location of Boss Pythis the Betrayer needed to be killed to complete Gloomreach Delve Dungeon and earn Achievement in The Elder Scrolls Online - ESO Maps, Guides & Walkthroughs.