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Níðhöggr, a MythSource painting
Norse

Níðhöggr

The Dread Biter · The Malice Striker · The Corpse-Eater

01Identity

Gnawing at Yggdrasil’s root near Hvergelmir, Níðhöggr is a Norse dragon or serpent associated with the tree’s roots and the dead. At Náströnd, it sucks the corpses of perjurers, murderers, and seducers, while a wolf tears at the dead; another telling places sinners beneath streams of venom. After Ragnarök, Níðhöggr flies from Niðafjöll over the renewed earth with corpses beneath its wings, but the poem leaves the final sinking unnamed.

Top questions
  • Who is Níðhöggr?

    Níðhöggr is a Norse being associated with Yggdrasil’s roots, Hvergelmir and its serpents, the dead and corpse-eating, Náströnd’s punishment imagery.
    Source

    Source

    • Dictionary of northern mythology
    • Teutonic Mythology: Gods and Goddesses of the Northland
    • Fabulous Creatures, Mythical Monsters and Animal Power Symbols
    • The Poetic Edda
  • What is Níðhöggr associated with?

    Yggdrasil’s roots, Hvergelmir and its serpents, the dead and corpse-eating, Náströnd’s punishment imagery
    Source

    Source

    • Dictionary of northern mythology
    • Teutonic Mythology: Gods and Goddesses of the Northland
    • Fabulous Creatures, Mythical Monsters and Animal Power Symbols
  • Is Níðhöggr in Devil May Cry 5?

    Yes. It is linked here to Níðhöggr Gnaws Yggdrasil.
  • What happens in Níðhöggr at Náströnd?

    At Náströnd, Níðhöggr sucked the corpses of perjurers, murderers, and seducers while a wolf tore at the dead, and another telling placed the sinners beneath streams of venom.
    Source

    Source

    • the ancient sources
    • Norse Mythology
    • Teutonic Mythology: Gods and Goddesses of the Northland
  • What happens in Níðhöggr Gnaws Yggdrasil?

    Níðhöggr gnawed the root of Yggdrasil that passed through Niflheim near Hvergelmir, while Ratatoskr carried hostile words between it and the eagle above.
    Source

    Source

    • the ancient sources
    • Treasury of Norse Mythology
02The names

Níðhǫggr

Old Norse spelling variant of Níðhöggr

SourceThe Poetic Edda

Nidhogg

Common English spelling

SourceThe Poetic Edda

The Root-Gnawer

The being that gnaws Yggdrasil’s roots

SourceTeutonic Mythology: Gods and Goddesses of the Northland

The Corpse-Eater

The devourer of the dead

SourceFabulous Creatures, Mythical Monsters and Animal Power Symbols

03The myths

3 myths, each traced to its primary text and corpus sources, with 3 reviewed modern reworks linked where the evidence supports it.

At Náströnd, Níðhöggr sucked the corpses of the dead. Völuspá named among them men who swore false oaths, murderers, and men who seduced another man’s close confidante. A wolf also tore at men there. Náströnd stood among the abodes of the dead and the realms of torture.

In one telling, the perjurers, murderers, and seducers entered a hall at Náströnd. Heavy streams of venom flowed over the perjurers and murderers. The venom came from troughs, and the waste-water fell upon the man who seduced another man’s wife. This telling placed the punishments in a different order. The perjurers and murderers endured the venom streams, while the seducer received their waste-water.

Níðhöggr’s dwelling also lay among rocks from which it carried its prey to Náströnd. After the world was destroyed, the earth appeared anew. On that renewed earth, Níðhöggr flew away from the rocks with dead bodies beneath its wings. No more corpses remained for it there, and its task ended.

The poem ended with a line about someone who had to sink. It did not name Níðhöggr in that line. Náströnd therefore held the image of Níðhöggr sucking the dead, while the renewed earth brought the later image of the creature leaving the rocks with corpses beneath its wings.

Níðhöggr at Náströnd, a MythSource painting of the scene

In the modern world

Nidhogg

Game

Nidhoggr's corpse-devouring becomes the game's win condition: the player who reaches the goal first is devoured by the giant worm as a reward, not the loser. Victory, not damnation, ends in its jaws.

Nidhogg 2

Game

Nidhoggr's corpse-devouring again becomes the win condition: the victor of the duel sprints to the goal and is consumed by the worm as a reward, not the defeated fighter.

3 sources· checked 2026-08-19

  1. 1Norse MythologyT1
  2. 2the ancient sourcesT1

    Quote

    At Náströnd, Níðhöggr sucks the corpses of oath-breakers and murderers, a wolf tears at men, and after the earth’s renewal it flies from the rocks with dead bodies beneath its wings.

    the ancient sources

  3. 3Teutonic Mythology: Gods and Goddesses of the NorthlandT1

The earth rose again from the sea after Ragnarök. It appeared green and renewed, and mountains rose upon it. They were called Niðafjöll, which meant Nide’s mountains. Nide’s name suggested the lower world, since Nide meant the lower one. Nide’s plains also held a golden hall. Nide was identified with Mimer, so the mountains stood on Mimer’s fields.

Níðhöggr came from these mountains. It was the corpse-eating creature of the lower world. It lived among the rocks and carried the dead to Náströnd. There, among the abodes of the dead, it sucked the corpses of those who had committed false oaths and murders. A wolf also tore at human bodies in that place.

Níðhöggr flew over the plain. Dead bodies hung beneath its wings as it left the rocks where it had lived from ancient times. It had carried its prey from those rocks to Náströnd, but no more dead bodies remained for it. Its supply of corpses was gone, and its task was finished. It appeared as a shadow-dark dragon and a gleaming serpent as it flew through the air.

The account ended with the words that she would sink down. It did not establish whether those words referred to Níðhöggr. The creature’s flight was its last appearance after the world had been destroyed and renewed.

Níðhöggr Flies from Niðafjöll, a MythSource painting of the scene

In the modern world

No modern rework confirmed yet.

3 sources· checked 2026-08-19

  1. 1Teutonic Mythology: Gods and Goddesses of the NorthlandT1
  2. 2the ancient sourcesT1

    Quote

    The green earth rises after Ragnarök, then Níðhöggr leaves Niðafjöll with corpses beneath its wings as it flies over the plain.

    the ancient sources

  3. 3The Poetic EddaT1

Níðhöggr gnawed the cold root of Yggdrasil that reached through Niflheim, near Hvergelmir. The ash tree rose through the centre of the worlds, and its branches spread over the nine worlds. Three great roots held it up. One passed through Niflheim, another passed through Jötunheim, and the third passed through Asgard. Níðhöggr worked at the root that reached into the lower regions.

An eagle sat above Yggdrasil, and a hawk named Vedfolner sat between its eyes. Ratatoskr, the squirrel, sprang up and down the tree. It carried words of envy and insult between the eagle in the branches and Níðhöggr below. The squirrel moved between the top of the tree and its root, and the hostility between the eagle and Níðhöggr continued as it carried their words.

Four stags leaped among the branches and bit the leaves. Their names were Dain, Dvalin, Duney and Durathro. Níðhöggr stayed in Hvergelmir with other creatures. Ratatoskr's name also carried a connection with boring and gnawing. In one telling, Ratatoskr's mouth gnawed a tunnel through which Odin escaped in the shape of an eagle after he took the mead treasure from the deep dales beneath the world tree's roots. In another, Ratatoskr's tooth let the foe of the gods near the root learn what the eagle at the top intended to do with the treasure. A third telling gave the name Ratatoskr to the boring tool that made the passage between Odin's world and Fjalar's halls.

Níðhöggr Gnaws Yggdrasil, a MythSource painting of the scene

In the modern world

Devil May Cry 5

Game

Nidhoggr's root-gnawing becomes a parasitic demon, and its destructive hatchlings, feeding on the roots of the Qliphoth, the game's own demonic world-tree.

3 sources· checked 2026-08-19

  1. 1The Prose EddaT1
  2. 2the ancient sourcesT1

    Quote

    Grímnismál places Yggdrasil’s three roots in Niflheim, Jötunheim and Asgard, and says that Níðhöggr gnaws the root by Hvergelmir while Ratatoskr runs between it and the eagle.

    the ancient sources

  3. 3Treasury of Norse MythologyT1

The film

The Underdrawing video on Níðhöggr embeds here once it publishes.