Yggdrasil

WIthin the trunk of Yggdrasil is Midgard, the realm of Mortal Beings. Connected to its roots are the Realms of Death, which house dead souls. Connceted to its branches are the 'higher' realms, which possess beings considered greater than Humans, and most mortal beings. Lastly, in Yggdrasil's leaves are the realms of the Gods, considered the highest Realms in existence.