The Legend of Prince Valiant Season 2 Episode 20 - The Walls of Tyranny Episode Title:The Walls of Tyranny.Episode Description: King Ian of Kengary has been killed in the middle of his campaign against the McGrath clan. Duncan Draconarius - Ian's trusted friend and advisor - cannot hope to continue the war and avenge his king's death until the subject of Ian's succession is settled. A peace delegation led by Sir Valiant is sent to Kengary to help straighten up the mess and determine whether Camelot should send military aid to its ally. Unfortunately, all is not solved even when a new ruler is abuptly decided upon.