Why can't Zhang Qishan live forever?

Because Buddha Zhang Qishan's father married a foreign women, Buddha's blood is not pure Kirin's blood, so he can't live forever. Zhang Rishan and both are Zhang family members. They are of pure blood and can live forever.

Personal data:

1, Zhang Rishan, a native of Changbai Mountain, is a snake, a member of Zhang family, and has tattoos. Zhang Qishan's adjutant Zhang Qishan took charge of Jiumen Association after he left, and served as the president of Jiumen Association and the owner of Qiqi Company (the head of Jiumen Family). This young soldier, who was brought out from the Zhangjia family in the northeast, later became an adjutant beside him. He listened to the Buddha and thought that "everything the Buddha said was right".

2. Zhang Qishan is the head of the Old Nine Gates, the grandson of the former Zhang Qiling (Zhang Ruitong) and the descendant of Zi Shan. The first of the nine magistrates, he robbed tombs in the early stage, joined the army in the middle stage, and went into politics in the later stage. Because of his strong martial arts, stunts and great appeal, he is called Lord Zhang Buddha.