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. An artifact held in this place was given its shape to prevent quarrels according to Layamon (“LAY-uh-mun”) and Wace (“wass”). This place supersedes the role of Caerleon (“care-LEE-on”) in later 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 from the island of Shalott, (10[1])contains an artifact gifted by King Leodegrance (“LEE-oh-de-grantz”) and the Siege Perilous, which is a vacant chair. For 10 points, (-5[1])the Round Table lies in what (10[1])stronghold of King Arthur? ■END■ (10[1])