A demonic invasion has occurred; Celestia is left with few options after being bested. A deal is then struck and a human is involved.

A human mage finally breaks over the stress of a extremely prolonged stay in equestria

A griffin mercenary, working with his sister, receives a summons by a High Lord of Austrahem, one of six provinces of the loosely united griffin lands. Seeing an opportunity to expand their horizons, they meet with him.