The Last Dragonlord summary:

On the continent of Arelia, a select group of people maintain strong ties with dragons, known as dragon users. Under the rule of the Dragonlord, the 5 kingdoms of Arelia remain in peace and united, but his mysterious death will lead the entire continent into chaos. In the midst of this confusion, a young dragon user named Aeris will embark on an epic journey with her friend Edegar to discover the dark secrets behind the the Dragonlord's death.