It is probably metaphorical.
I wrote about Tyre shackling fenrir until ragnarock on this thread
Most religions,traditions and legends tell of a 'dark force' of varying descriptions appearing on Earth.
These legends have been long told and are IMO probably remnants of ancient historical cyclical events that were catastrophic, told by far distant
ancestors, such as say an ice age, pole shift or a disruptive influence from the position of the solar system in the galaxy that perhaps is known for
increased comet or meteor activity, increased volcanic activity or earthquakes.
Creation myths are often similar in many ancient cultures, and are mostly stories of light and dark, and probably reference astronomical events and
There might also have been an ancient common ancestor or ancestral tribes using similar allegory. Various ancestors would might use similar ways of
describing events using the native flora and fauna and the characteristics of those that were a threat and those of saviour characteristics.
It is also possible that as cultures migrated and settled, the original myths of a core similarity evolved in each culture to suit their location.
The concept of light and dark in legends and religions are given 'personalities' for the purpose of description, being able to tell the story to
future generations and a way of perhaps primitive cultures making sense of the bigger picture from comparing with the things they know in nature.
For example a cold dark period being known as a wolf or serpent and a warm light period being known as a hero or saviour. If these ancient peoples
didn't know of the galaxy as is now known, their superstitious nature would have created myths in order for making sense of it all.
It isn't coincidence that Jesus is a continuation of older sun god worship from varying ancient cultures as the sun is required for humans surviving
The earth goes through natural cycles of warming, cooling, geophysical activity and influence from galactic positioning. Ancient cultures would have
experienced events that were 'heaven sent' that they couldn't explain but tried making sense of.
For example, the last time the solar system was in the position it is in now, there were dinosaurs on Earth. There have been many warming and cooling
cycles since. We are currently in a warm period.
edit on 21-8-2014 by theabsolutetruth because: (no reason