How did Yang Kang and Mu Nianci die in the history of The Legend of the Condor Heroes?

First, the cause of death:

1. The scene of Yang Kang's death is in the gun temple in Wang Tie. With his wisdom, Huang Rong revealed that he was the real murderer of Ouyang Ke, and blamed the death of the seven eccentrics in the south of the Yangtze River on Huangshi Yao. Yang Kang was desperate to kill Huang Rong. Unexpectedly, the snake venom remained on the soft hedgehog armor in Huang Rong, and was hit by the claw of Jiuyang Bones in Yang Kang, and died of poisoning.

2. Mu Nianci didn't mention death in The Legend of the Condor Heroes. In the second episode of The Condor Heroes, there is a description of Mu Nianci's death. Yang Guo was fatherless when he was a child, and his mother died at the age of eleven.

Second, the introduction:

1, Yang Kang, also known as Wan Yankang, is a character in Jin Yong's martial arts novel The Legend of the Condor Heroes. Bao Xiruo, the son of Yang Tiexin and the adopted son of Yan Honglie, the sixth report of the State of Jin. Yang Kang is smart, alert, handsome and excellent in temperament. His biological mother and adoptive father doted on him in every way, and he grew up in wealth, striving for strength everywhere by any means. Indulging in the wealth of the Jin royal family, he continued to follow his enemy Wan Yan Honglie and wanted to succeed him to the throne.

Because of the contest, he became attached to his fiancee Mu Nianci. Later, because Ouyang Ke bullied his wife, he personally stabbed Ouyang Ke, and Shunyi worshipped his uncle Ouyang Feng as an apprentice. On Peach Blossom Island, Han Baoju, one of the seven eccentrics in the south of the Yangtze River, was killed by Jiuyin Bones Claw. After the Tieqiang Temple was exposed by Huang Rong, he wanted to kill it. He slapped Huang Rong's soft breastplate and was stabbed by the poisonous poison left by Xiren Nan, the seven eccentrics in the south of the Yangtze River, and died of poisoning. Shortly after his death, his fiancee gave birth to his posthumous son Yang Guo.

2. Mu Nianci, a character in Jin Yong's martial arts novels The Legend of the Condor Heroes and The Condor Heroes. Mu Nianci was beautiful, delicate and touching, and had a bad life. When she was young, her parents died of the plague. When she met Yang Kang's father, Yang Tiexin, who was in trouble, she was adopted as an adopted daughter, renamed Mu Nianci, and had a son Yang Guo with Yang Kangyu.