The name hails from Norse mythology, in which Midgardsormr (Old Norse: Miðgarðsormr; also known as the World Serpent or Jörmungandr) was the middle child of Loki and a giantess named Angrboda. Odin threw it into the ocean that encircles Midgard and it eventually grew large enough to reach around the entire world and bite its own tail. It had been foreseen that on the day of Ragnarök it would battle with its arch-nemesis, Thor, the god of thunder. The sky would darken from the poison mist emitted by Midgardsormr, and the battle would end in the death of both. Thor would first kill Midgardsormr and then stagger nine steps before dying from its poison.
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