Inglorious Chivalry

Snape lives, exiled from his old life and thrown into the midst of chaos to fight another war. This war is more subtle, having it existed long before the ones he had survived. There are much larger things at play in which most are shrouded in secrecy. A wrong move and one would discover that there are far worse places than death or Azkaban [no pairings yet, AU, OC, rated T]