Ages ago great swarms of monsters swept across the world. Humanity was driven to the brink of extinction. Finally, in their last fortress, the survivors rallied, slew the leader of the swarm and drove them back. Over the years humanity has slowly taken back their lands. Now they are finally entering a period of prosperity, new cities are being founded, the settled areas are safe, trade is strong, and people are happy. Our story begins just as trouble begins to stir anew.