The tribe heads for the elfin city of Avalon, where they meet Limwris and Ermin. Their entry into the castle seals their decision to fight in the coming war. The elves learn that Arthur and Riannon are the children of the King Pwyll. A merchant elf, Epona, mistakes Arawn and Arthur for thieves as they gather weapons, and traps them in a magic circle. That night, during the feast, Arawn assures Riannon that the god Myrddin is always with them, causing her to wonder about his past life.