The Empire's Threat
When Riannon is captured by Gaius, Arthur is desperate to save her but Arawn persuades him to wait until they have more information. As such Arawn uses meditation to locate Riannon and check on her safety. Meanwhile, the captive Riannon is making herself useful by healing and feeding the Imperial troops. She is surprised by Taliesin being at the camp, and eventually with Arawn and Taliesin's help, she manages to escape.
Aired 22/06/2009EP 12 - The Empire's Threat

Tears to Tiara
In a world resembling the middle-age. A girl, Riannon, is set to be sacrificed to appease a resurrected demon lord, Arawn. As her brother Arthur attempts to rescue her, Arawn defies those who resurrected him and frees Riannon from her captors, which leads to Riannon admiring him.
This eventually leads to a party of companions being assembled for adventure, with Arawn acting as the leader.