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

Skírnir is a Norse god and a messenger serving Frey. A thousand years ago his demigod son, Leif Erikson, was the captain of Viking explorers landed in North America before Christopher Columbus.


Skírnir was given the sword Sumarbrander by his master so that the lord of Alfheim may see the giantess Gerd. He would pass the sword on to his demigod son Leif Erikson, who would lose it after landing in what would become Boston, Massachusetts.

Magnus Chase and the Gods of Asgard

The Sword of Summer

Skírnir's story with the sword of summer and who it came with to the new world is told to Magnus Chase by his uncle when taking him to find the sword at Longfellow Bridge.


Demigod Children

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Unknown Leif Erikson


  • He was the second wielder of Sumarbrander after Frey before giving it to his son.
  • His Greco-Roman equivalents Hermes/Mercury in terms of correspondence and pathfinder.
  • His name Skírnir means Bright One.
Magnus Chase and the Gods of Asgard
Core Series: The Sword of Summer | The Hammer of Thor | The Ship of the Dead
Main Characters: Magnus Chase | Alex Fierro | Blitzen | Halfborn Gunderson | Hearthstone | Loki | Mallory Keen | Samirah al-Abbas | Sumarbrander | Thomas Jefferson Jr.
Minor Characters: Annabeth Chase | Frederick Chase | Randolph Chase | Helgi | Hunding | Gunilla | Junior | Lars Alhstrom | Amir Fadlan | Alderman | Inge | Percy Jackson
Norse Gods: Freya | Thor | Ullr | Frey | Odin | Heimdall | Vidar | Sif | Frigg | Tyr
Minor Gods: Skírnir | Norns | Mimir | Ran | Hel | Sigyn | Aegir | Nine Billow Maidens | Njord
Jotnar: Surt | Utgard-Loki | Harald | Ymir | Geirrod | Gjalp | Greip | Thrym | Thrynga | Tiny | Hrungnir | Red | Tattoo | Gunlod | Suttung | Baugi | Skadi | Hrym
Monsters: Jormungand | Ratatosk | Vedrfolnir | Nidhogg | Fenris Wolf | Lindworm | Wight | Brunnmigi
Magical Creatures: Dwarf | Elf | Sleipnir | Stanley | Marvin | Otis | Jotunn | Hulder | Nøkks | Vatnavaettir | Nisser
Related Content: Rick Riordan | Hotel Valhalla Guide to the Norse Worlds | 9 from the Nine Worlds