I was watching the trailer and suddenly it dawned on me that the symbol of the game looks a like like the Aes Sedai ring from Wheel of Time. Now not exact for sure but obviously influenced.

The symbol of the serpent eating its own tale was around long before Robert Jordan put pen to paper.

This.

It's a variant on the http://en.wikipedia.org/wiki/Ouroboros, a classical symbol of cyclical time.