Interestingly enough, fans who are aware of the importance of the Yggdrasil tree in Norse mythology as well would know that this tree harbors the many worlds, such as Niflheim and Midgard ...

Crew members to be separated into Yggdrasil's Nine Realms ... that one of the Giants mention Yggdrasilâ the legendary World ...

Experts believe the carvings depict creatures from Viking mythology - the world tree Yggdrasil with the monstrous serpent Nidhogg A Viking artefact used to craft decorative motifs for military ...