Defeat all six world bosses in Western Skyrim and Blackreach: Greymoor Caverns.
Criteria
- Defeat Ysmgar the Sea Giant
- Defeat Hordrek's Stalkers
- Defeat Skreg the Undefeatable
- Defeat Shademother
- Defeat Hjorrenn the Harvester, Doomclaw, and Exarch Savfyr
- Defeat the Dwarven Colossus