Devil Gold Dust

Marc's grandfather was so seriously ill that Marc had to summon demon and said he would gave demon 1, 000 kilograms of gold dust if his grandfather recovered. Demon cured Marc's grandfather with magic. After his grandfather recovered, Marc did not thank demon with real gold dust. Instead, He burned yellow dust on an altar and murmured, "demon, I already fulfilled my promise. " demon told little Marc in his dream that he would find real gold dust at the seaside. When Marc woke up, He felt so happy and ran to the seaside directly. However, What he met was violent pirates. Marc was caught and sold. His selling price was just... 1, 000 kilograms of gold dust.