As far as lore goes. I found these two links particularly useful:
http://finalfantasy.wikia.com/wiki/Seventh_Umbral_Era
http://gamerescape.com/2013/08/21/the-ri...ite-raven/Â (<- long one)
http://finalfantasy.wikia.com/wiki/Seventh_Umbral_Era
http://gamerescape.com/2013/08/21/the-ri...ite-raven/Â (<- long one)
Nemo me impune lacessit