Jörmungandr Waltraute
Did you really think I wouldn’t show up, little boy? My cute little sister is all worked up about saving some people and a lot of other people have gathered to save her, so did you really think her brother could just sit idly by and watch?
~ Jörmungandr to Thor


The Great Serpent Jörmungandr is one of Loki's sons and the sibling of Hel and Fenrir. Jörmungandr grows endlessly, having already become large enough to wrap around the nine worlds. According to prophecies, he'll end up growing too large for the world and crush the land. It's also prophesied he'll battle Thor during Ragnarök, a battle that will supposedly end with both of them killing each other. In the original novel Jörmungandr only made a small appearance disguised as a small cat, but in the crossover, he appeared to help Jack and the other heroes save his little sister by protecting Jack and Níðhöggr from Thor and keeping him busy for the rest of the fight.

Powers and Stats

Tier: At least 6-A

Name: Jörmungandr, Midgard Serpent, Great Serpent

Origin: The Circumstances Leading to Waltraute's Marriage

Gender: Male

Age: Unknown, likely older than a human's lifespan.

Classification: Giant Serpent

Powers and Abilities: Superhuman Physical Characteristics, Telepathy, Flight, Shapeshifting, grows in size indefinitely

Attack Potency: At least Continent level (One of the strongest beings in the world, large enough to encircle the nine worlds, can fight Thor and is prophesied to kill him during Ragnarök)

Speed: Massively Hypersonic+ via power-scaling (He should be much stronger than a Valkyrie like Waltraute, can fight Thor)

Lifting Strength: Superhuman

Striking Strength: Continent Class

Durability: Likely Continent level (Can fight Thor, being struck with one of Waltraute's Spears of Destroying Lightning while transformed into a small cat only knocked him off Yggdrassil and started to dispel the transformation)

Stamina: Likely high

Range: Unknown

Standard Equipment: None

Intelligence: Average

Weaknesses: None notable

Notable Attacks/Techniques:

  • Infinite Growth: Jörmungandr is stated to grow in size endlessly as time goes on. He has already become long enough to encircle the nine worlds, and is prophesied to eventually grow too large and crush the land.
  • Shapeshifting: Jörmungandr is capable of transforming himself into a small white cat.
  • Telepathy: As a giant serpent Jörmungandr communicates by projecting his thoughts, though he was able to speak normally when transformed into a cat.
  • Flight: Jörmungandr is capable of flying through the air without any wings like an eastern dragon.


Notable Victories:

Notable Losses:

Inconclusive Matches: