Jormungandr
Chapter 47 reveals that the cat Thor lifted was Jormungandr.

Overview
Jormungandr first appears under the cat illusion in the Utgarda-Loki tests and later directly bites Thor’s hook in the Hymir fishing story. This story establishes Thor’s encounter with the serpent without deciding the final outcome.
Key facts
Cat illusion
Chapter 47 reveals that the cat Thor lifted was Jormungandr.
Bites the hook
Chapter 48 has Jormungandr bite Thor’s hook baited with an ox head.
Relationships
- Lokifather of
Gylfaginning 34 lists Jormungandr among the children of Loki and Angrboda.
- Angrbodamother of
Chapter 34 says Angrboda bears Jormungandr with Loki.
- Odincasts into the deep sea
Odin casts Jormungandr into the deep sea around the lands.
- Midgardencircles
Jormungandr grows in the deep sea until he encircles all lands and bites his own tail.
- Thorlifts cat illusion
The cat Thor tries to lift is actually Jormungandr encircling the world.
- Thor Fishing for the Serpenthooks the serpent
Thor uses an ox head as bait and hooks Jormungandr.
- Hymircuts the line
Hymir cuts the line, letting Jormungandr sink back into the sea.
- Ragnarokcomes ashore
Jormungandr writhes violently, driving the sea over land and entering the doom scene.
- Thorkills the serpent
Thor kills Jormungandr.
- Thorkills by venom
After killing the serpent, Thor walks only nine paces before dying from its venom.
- Thorhooks with an ox head
Thor uses the ox head to pull the world-serpent to the boat and strike it with his hammer.
Story appearances
- Thor and the Giant-World TestsJormungandr
Chapter 47 reveals that the cat Thor lifted was Jormungandr.
- RagnarokSerpent who rises and kills Thor
Jormungandr drives the sea over land and finally dies with Thor.
- Hymiskvitha: Kettle, Serpent, and FeastFigure, object, or place in Hymiskvitha
Chapter 47 reveals that the cat Thor lifted was Jormungandr.
Ancient sources
MythWeave distinguishes ancient-source evidence from later adaptations and modern interpretation.
- Snorri Sturluson, Prose Edda, Gylfaginning, Prose Edda, Gylfaginning chapter 47, Utgarda-Loki reveals Logi as fire, Hugi as thought, the horn as the sea, the cat as Jormungandr and Elli as old age
- Snorri Sturluson, Prose Edda, Gylfaginning, Prose Edda, Gylfaginning chapter 48, Thor and Hymir fish for Jormungandr and Hymir cuts the line
- Anonymous, Poetic Edda, Hymiskvitha, Poetic Edda, Hymiskvitha, Bellows stanzas 17-25, Thor takes an ox head as bait and draws up Jormungandr
- Snorri Sturluson, Prose Edda, Gylfaginning, Chapter 51, sun and moon swallowed, stars vanish, earth shakes, fetters break, Fenrir is freed and Jormungandr comes ashore
- Snorri Sturluson, Prose Edda, Gylfaginning, Chapter 51, Odin and Fenrir, Vidar’s vengeance, Thor and Jormungandr, Freyr and Surtr, Tyr and Garm, Loki and Heimdall