Norse Mythology

Serpent.
Hel was goddess of the netherworld, and half her face had human features while the other half was blank. She ruled the dead.

Catastrophe
At first there was only a great void. But to the North of this void there formed a region of mist and ice, while to the South grew a region of fire. Niflheim was the name of the North, and Muspellsheim of the South; and the heat from the latter melted some of the ice of the former, which shaped Ymir, the Frost-Giant with a human form. From Ymir's sweat came the race of Giants, and as the glacial ice melted further a huge cow was created to feed the Giants. This cow in turn was fed by salt contained in the ice. One day it licked the ice and hair emerged, on the next day a head, and on the third day Bur emerged, fully formed. Bur had a son, Buri, who had three sons — Odin, Vili, and Ve. These three were a new race, not Giants but gods. They banded together and murdered Ymir. Most of the other Giants drowned in Ymir's blood, which created a great sea. From Ymir's body the three gods made solid land, the earth, and from Ymir's skull they made the vault of the heavens. Odin and his brothers then created the race of dwarves from the maggots in Ymir's body. Other gods joined these three, and together they erected Asgard and all its halls to be their own home.
Having established their supremacy, the gods made the first mortals, shaping a man from an ash tree and a woman from a vine. The gods bestowed breath, energy, a soul, reason, warmth, and freshness on this first couple. And from their male descendants Odin chose only the bravest to live in Asgard after they died, for these warriors would aid him in the final showdown with the forces of evil.
The cosmos was supported by a tremendous ash tree, Yggdrasil. One of its roots extended to Niflheim, which was the netherworid; another to Jötunheim, the dwelling place of Giants; another to Midgard, the home of man; and one to Asgard, the home of the gods. In its upper branches... [continues]

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