Deception of the Asuune

The conclusion to Curse of the Asuune. Kathrine Albet longs to have a peaceful life with the mysterious and ancient Asuune, Paul even though she can never have the thing she secretly wants the most, a child. Despite this desire she finds herself at the center of a devious scheme to destroy humanity. Left with no choice, Kathrine accepts the help of her family in preparing for the fight of her life. It seems that every evil being wants Kathrine's loyalty or death. What makes her so important?