Spoiler warning!
This article contains plot details for the newly released A Crystal Of Time. You have been warned.

Camelot is the kingdom as we know that is ruled by Tedros. In the series, he is the prince and once he becomes sixteen then he becomes the King of Camelot and Agatha as his Queen.

However, in the "Quests of Glory" book, Tedros fails to pass his father's test during the coronation. Instead, he finds out he has a half-brother Rhian, who is actually the eldest son of King Arthur, at the end of the book. At the end of the story, Rhian completes the task and becomes the King of Camelot.