After murdering several disciples, a mad king of this place eats his own hands, kills his family and jumps into a fire. Agrestes is one ruler of this place, whose name may ultimately derive from the war god of the Trinovantes tribe. A hero starts out as a kitchen boy at this place in a version of the “Fair Unknown” motif. (-5[1])An artifact held in this place was given its shape to prevent quarrels (10[1])according to Layamon (“LAY-uh-mun”) and Wace (“wass”). This place supersedes (10[1])the role (10[1])of Caerleon (10[1])(“care-LEE-on”) in later (10[1])writings, (-5[1])such as the Post-Vulgate cycle, in which it is destroyed at the climax of the invasion of Logres (“LOH-gers”) by King Mark. This place, which is just downriver (-5[1])from the island of Shalott, (10[1]-5[1])contains an artifact (-5[1])gifted (10[1])by King (10[1])Leodegrance (10[2]-5[1])(“LEE-oh-de-grantz”) and the Siege Perilous, (10[1])which is a (10[1])vacant chair. For 10 points, (-5[1])the Round Table (10[1]-5[1])lies (10[1])in what (10[1])stronghold (10[1])of (10[1])King (10[1])Arthur? (10[2])■END■ (10[12])