Summoning Karstaag
Set the skull on the throne in the ruins of Castle Karstaag to call up the frost giant's ghost. He is one of the hardest fights on the island.
- Questline: Dragonborn – Around Solstheim
- Reward: The power Summon Karstaag, which works three times in all
- Add-on: Dragonborn
- Where: Glacial Cave
How to start
Take the Skull of Karstaag from the Glacial Cave on the north coast of Solstheim.