Who killed Ouyang Ke?

Ouyang Ke was killed by Yang Kang. Ouyang Ke was placed in Qusan Hotel by Ouyang Feng to recuperate. When Hou Tonghai and others were scared away, their legs were broken and they were dropped. Ouyang Ke heard movement in the secret room at night. The next day, he failed to break into the secret room and instead molested Cheng Yaojia and Mu Nianci. He was stabbed to death by Yang Kang and his body was buried in the abandoned garden of the hotel. Later, Huang Yaoshi unearthed the general map of Peach Blossom Island and took it back from him. Ouyang Ke, also known as Mr. Ouyang, Master Ouyang, Little Poison, and Ke'er, is the villain in Jin Yong's martial arts novel "The Legend of the Condor Heroes". He is handsome and heroic. Ouyang Ke is the illegitimate son of Xidu Ouyang Feng, his nominal nephew, and the young master of White Camel Mountain. Ouyang Ke was lustful by nature and had many concubines. He was hired by Wanyan Honglie to steal "Wu Mu's Suicide Note". He was attacked by the Jiangnan Seven Monsters, Hong Qigong and other decent sects. Later, when he wanted to kill Hong Qigong on a desert island, he was lured away by Huang Rong's envoy and crushed his legs with a big rock. He has great martial arts skills and is good at using poison. He has few opponents except for the five masters.