Fáfnir: Fáfnir is a fearsome dragon from Norse mythology, originally a mortal who transformed into a dragon due to his overwhelming greed.

Fáfnir - Fáfnir's story serves as a cautionary tale about the corrupting power of greed and has influenced a wide range of cultural works.

Fáfnir

Fáfnir - Fáfnir's story serves as a cautionary tale about the corrupting power of greed and has influenced a wide range of cultural works.

Fáfnir is a fearsome dragon from Norse mythology, originally a mortal who transformed into a dragon due to his overwhelming greed. He is known for slaying his father Hreiðmarr to claim a cursed treasure, including Andvari's ring. Ultimately, Fáfnir meets his end at the hands of the hero Sigurð, marking a pivotal moment in the Völsung Cycle.

Origins & First Encounters

Source Texts & Tale Variants

Form & Powers

Regional Faces

Cultural Parallels

Legacy & Modern Evolution

Interesting Fact

Fáfnir’s transformation from a mortal into a dragon due to his greed has profoundly influenced modern portrayals of dragons, inspiring figures such as Tolkien’s Smaug.

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Quick Creature Info

Associations:

Symbol of greed

Our Mythic Legendary Rating:

Ethereal Power
Ethereal Power rating

Also Sometimes Known As:

Fafnir

Habitat:

CaveDark, remote caveMidgardTreasure hoardScandinaviaFáfnir guards his cursed treasure in a secluded lair.Dragon's lair/CaveNordic regions

Supernatural Powers:

Immense physical strengthGuardian of treasure

Physical Attributes:

Scaly skinSerpentine bodyPowerful tailSharp clawsHoard guardian appearanceThick, armored hideVenomous bite

Abilities:

Treasure hoardingGreed-induced aggressionPhysical durabilityFire resistance

Behavior:

Aggressive and greedyMurderous, driven by greed and vengeance

Weaknesses:

Vulnerability to specific weapon (Gram)

Lore:

Antagonist and treasure guardianNorse/Germanic mythologyFáfnir's story serves as a cautionary tale about the corrupting power of greed and has influenced a wide range of cultural works

Related Creatures, Tales or Lore

References

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Curated by the Mythological Creatures Team

Series editor: Mythological Creatures Directory

Primary desk: Northern & European Folklore Desk

(rev. November 2025)