The massive wealth of Thror""s kingdom was due o "precious gems" (gold) mined from the earth.In the heart of the mountain, the Dwarves had discovered the famous jewel known as the Arkenstone ("The King""s Jewel")." They were confronted in one of the labyrinthine corridors and shooting broke out.Caesar grabbed a high-pressure fire waterhose to deter their attack, and they also tossed small hand-grenades at the mutants, before successfully reaching the outside and hastening to get away.The nostalgic, shamelessly-patriotic, entertaining film also supported the war effort as it paid tribute in its mostly fictional story to a popular Irish/American entertainer and the grand American gentleman of the theatre in the early 20th century.He gave Thorak a secret weapon: an arrow-spear with its tip dipped in scorpion venom: "When you find the Akkadian, give him this from me.