The Prisoner in the Oak, Chapter 16 Summary

As Gwenhwyfar waits for Lancelet to come to her in her chambers, she discovers that she is not alone. Gwydion slips in, as well as several of Arthur's Companions. When Lancelet arrives, the visitors make themselves known. They threaten to take them both to Arthur and tried as traitors. A struggle ensues and Lancelet kills Gareth as Lancelet grabs Gwenhwyfar and escapes from the castle. They take a horse and gallop off into the night.

Gwydion wails over Gareth's body in grief. He accuses Morgause of being at the center of Gareth's death and exposes her ambitions to get Gwydion on the throne. Gwydion accuses her of doing the same thing as Gwenhwyfar at Morgause's court from the time he was a child. He casts Morgause away and threatens her if she ever...