Jörmungandr Viking Bronze Bracelet. According to Norse mythology water snake of the same name, also known as Midgardsormr, meaning gigantic beast, poses a great threat, so the God Odin throws him into the ocean. But the serpent grows so large that it is able to wrap around the Earth and grasp its own tail. During Ragnarök the beast causes a deluge resulting in submersion of the world. Afterward, the world resurfaces anew.Designed by Kati.