The Prisoner in the Oak, Chapter 13 Summary

Morgause, who was never very gifted with the Sight, begins to use dark magic to have her will done at Camelot. She is now doing what she must to ensure the throne for Gwydion. It is also discovered that she is the one behind Gwenhwyfar's inability to carry a child to term, as she has had one of Gwenhwyfar's waiting women put herbs in Gwenhwyfar's wine at night. Morgause uses her dark spell to find out if Mordred is indeed close to the king and trusted. In the vision, she sees her son, Gareth, begging Lancelet to bring Galahad back to Camelot because Lancelet's place is with Arthur and not on a quest. Morgause senses a threat to Gwydion and insists on going to Camelot at dawn.

As Morgause and her retinue travel...