King Rhitta Son of Rhych was once High King of Prydain and wielder of the sword Dyrnwyn. Yet Rhitta descended into falsehood and error, and vanished from the eyes of men in the bowels of Spiral Castle.
BiographyYstrad Valley. Once during a hunt on his lands, Rhitta trampled the gate of a shepherd named Amrys, but impatiently kept on his way, calling it a small matter, which he vowed to set right in due course.
Eventually all of the shepherd's sheep strayed, except for one lamb, which died shortly after for want of his mother. When Amrys reproached Rhitta, Rhitta drew his enchanted sword and slew the shepherd.
The ghost of Amrys the shepherd visited him in his hidden bedchamber, stating that while Rhitta had slain the shepherd once, he had slain himself a thousand times over. Amrys pitied Rhitta as he would any suffering creature. Reacting in horror, Rhitta struggled against the power of his enchanted blade, forcing it out of its sheath against its will. The blade's power then killed Rhitta and all his attendant warriors. The King was mourned only by the shepherd's ghost.Taran of Caer Dallben and Eilonwy Daughter of Angharad discovered Rhitta's self-made tomb, which drew them by keening, ghost-like sounds that proved to be wind whistling through fissures in the stone wall. After Taran took a sword from one of the fallen guards, Eilonwy -- unbeknownst to Taran -- took Dyrnwyn. Shortly afterward, the two fled the fortress, precipitating the collapse of Spiral Castle behind them. Prince Gwydion later confirmed that the castle's fall was a result of the removal of the sword.