House Targaryen, whose motto is “Fire and Blood”, once ruled the seven kingdoms of Westeros. Its history is fraught and bloody, marked by bitter rivalries that sometimes break into all-out war. In this, the house differs little from other families in history, except for one crucial difference: those with Targaryen blood are able to call upon dragons to fight with them in their battles.

When King Viserys I Targaryen dies, a great war for succession to the Iron Throne breaks out. In the course of this war — known as the “Dance of the Dragons” — Prince Jacaerys decides to seek out a number of unacknowledged Targaryen bastards, called “dragonseeds”, to claim the riderless dragons on the island of Dragonstone, to join the war effort