Yggdrasil In Norse mythology, Yggdrasil (pron. from Old Norse Yggdrasill, pronounced [ˈyɡːˌdrasilː]) is an immense tree that is central in Norse cosmology, in connection to which the nine worlds exist.
References for naming/robot units. In Norse mythology, Þrymr was king of the jotnar. In one legend, he stole Mjollnir, Thor's hammer, to extort the gods into giving him Freyja as his wife. Artwork for Fate of the Norns.