Gwalchmai is sent as an ambassador to King Maelgwn, one of Arthur's greatest foes. Rhys and Rhuawn, one of Arthur's warriors, accompany him.
Gwalchmai is dispatched as an envoy to King Maelgwn, who is one of Arthur's most formidable adversaries. Rhys and Rhuawn, one of Arthur's warriors, accompany him.