Yazi, the second prince of the Dragon King of the East Sea, escaped from the East Sea and made his way into the Yangtze River in Qinghai. Through cunning schemes and underhanded plots, he harmed others and eventually seized power, becoming the King of Zhenjiang. He is one of the book's main villains. He later changed his name to Wei Zhongxiao, became the lord of the Tongtian River, and was known as King Wei Xiao.
The old Dragon Lord of Qinghai Lake, Lord Qinglong, feared no power. He furiously struck down a tyrant and ultimately gave his life for a just cause. Liu Qingjun, a remarkable hero of his generation, was loyal and righteous, helped the needy, and was a master of martial arts. He was a rare hero, but the King of Zhenjiang eventually poisoned him with wine.
The young hero Yuqingjun was the youngest son of the Dragon Lord of Qinghai Lake. His family was slaughtered when he was little, but he was rescued and adopted by the Jin couple, an ordinary human family, who named him Jinlong. Later, Jinlong married a virtuous wife, learned martial arts, and reclaimed his heritage. He took charge of the underwater palace in Qinghai Lake and became deputy marshal of the rebel army. In the end, with the people's support, he became the founding ruler of the Great Liu Kingdom, King Liu Wu.
Qinglingjun, the Dragon Lord of Zhaling Lake, and Bailingjun, the Dragon Lord of Eling Lake, were brothers. They were rough by nature, but had the spirit of true heroes. They hated evil, feared no power, stood up for the wronged, fought bravely against their enemies, and won many battles.
Commandery Princess Yuzhu was the daughter of Lord Tongtian and the wife of Liu Qingjun. Her maid Qiuxiang gave her life in her place, displaying awe-inspiring righteousness. Yuzhu was a heroine, a woman every bit the equal of any man.