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Warning! This page contains spoilers for The Sword of Summer.

Svartalfheim (pronounced "SVART-alf-hame") is not one of the Nine Worlds, but it is mentioned by the dwarf Blitzen. It is the home of the svartalves, the Dark elves, a subset of dwarves.

Magnus Chase and the Gods of Asgard

The Sword of Summer


  • Blitz mentions he is from Svartalfheim, yet he lives in Nidavellir.
  • Svartalfheim is not included in the list of the Nine Worlds.