he Midgard snake (Nordernian Miðgarðsormr, also Jörmungandr, Old Norse: Jörmungandr) is in the Germanic mythology one the world (Midgard) Spanning sea serpent that lives in the Urozean.
Like Hel and the Fenriswolf was alsoShe was begotten by Loki with the giantess
Angrboda and thus belongs to the three Germanic onesWorldenemies.
Thor encounters her three times and enters twice to destroy her.