Di Renjie was a famous politician and military general in the Tang Dynasty. He had once served as prime minister and minister of the Ministry of War. During the Tang Dynasty, Di Renjie had participated in many important wars and military operations and had some legends about weapons. According to legend, Di Renjie once owned a weapon called "Dragon Resisting Mace". It was said that this weapon could shoot out a powerful beam of light that could attack the enemy's weakness. It was a very powerful weapon. However, there was no reliable historical record of the Dragon Resistance Mace, so it was impossible to determine whether this weapon really existed.