An example of the explanation of the black gold ancient knife in Grave Robber's Chronicles was as follows: The black-gold ancient sword was a famous weapon in Grave Robber's Chronicles, and it was also the personal treasure of one of the main characters, Fatty Wang. It was made up of a golden blade and a black scabbard. The blade was inlaid with a red and blue gem, which was extremely precious. There were some mysterious runes carved on the hilt of the black gold ancient saber. It was said that they could mobilize the power of the black gold ancient saber. The black gold ancient knife played an important role in the story. It had appeared in Fatty Wang's hands many times and helped him successfully complete many dangerous missions. Its mysterious nature also made many people want to get it, but Fatty Wang had always kept it very carefully and did not share it easily. Other than the descriptions in the novel, there were also some mysterious legends about the history and origin of the black gold ancient saber. Some said it was synthesized from ancient mysterious weapons, some said it was the relic of a great wizard, and some said it was an alien technology. Regardless of its origin, the value and mystery of the black gold ancient sword in the novel had made it an indispensable and important character.