THE Asa-gods built Asgard, the celestial city set high above the heavens. It stands upon a holy island in the midst of a dark broad river flowing from the thunder-vapours that rise through the great World-tree from Hvergelmer (“the roaring cauldron”), the mother of waters.

A dark and lofty wall protectes Asgard, and the great boiling river breaks angrily at its base. There is no entry-way apart from Odin’s mighty gate. If anyone who is unworthy cross the river unscathed by the vafer-flames and wants to open the gate of Asgard, he would be caught suddenly by a chain which which crushes him.

This episode is also available as a blog post: http://martinifisher.com/2019/01/18/the-divisions-of-the-universe-nine-worlds-of-the-ancient-norse/