This world tree has been spoken about for centuries, in fact. It first appeared in Norse mythology as Yggdrasil was laid out in the Poetic Edda in the 13th century.

"This has been part of my family mythology, Norwegian history, for my whole life. I started to think about it in the beginning of the 1980s, when I lived up there myself as a grown-up.

God Of War Ragnarok: Best Relics, Ranked In Norse Mythology, it is well known that Odin hung himself from Yggdrasil, the World Tree, to gain knowledge of life, death, and runic powers.